Have a look at this article before reading the blog post below: Pasta prices rise after North Dakota loses million acres of wheat to heavy rain, flooding – Associated Press

Prices are determined by the relative scarcity of a good, service or productive resource. This fundamental lesson is one of the first things we learn in a high school economics class. Why are diamonds, which nobody really needs, so much more expensive than water, which everyone needs? The answer lies not in the relative demands for the two goods (clearly, water is far more demanded than diamonds), but rather the relationship between the relative demand and the supply. Between the two, diamonds are far more limited in supply than water, thus they are scarcer and accordingly more expensive.

This lesson applies not only to water and diamonds, but indeed to any product for which there is a market in which buyers and sellers engage in exchanges with one another. Commodities are goods for which there is a demand,  but for which the supply is standardized across all markets. For instance, bicycles are not a commodity, because there are hundreds of different types of bicycles, meaning it is not a standardized product. But steel, which is used to make bicycles, is a commodity since steel is fairly standard regardless of its ultimate use by manufacturers. Cookies are not a commodity, but wheat is, since wheat is a highly standardized ingredient used in the production of cookies.

Commodity prices, like the prices of anything, are determined in markets. Buyers are usually the manufactures of secondary products for which the commodities are an input. Since commodities are traded all over the world, there tends to be a common market price determined by the national or international supply and demand for the commodity. In recent weeks, one very important commodity has increased in scarcity, leading to an increase in the price for the finished product the commodity is used to produce.

Consumers are paying more for pasta after heavy spring rain and record flooding prevented planting on more than 1 million acres in one of the nation’s best durum wheat-growing areas.

North Dakota typically grows nearly three-fourths the nation’s durum, and its crop is prized for its golden color and high protein. Pasta makers say the semolina flour made from North Dakota durum produces noodles that are among the world’s best.

This year’s crop, however, is expected to be only about 24.6 million bushels, or about two-fifths of last year’s. Total U.S. production is pegged at 59 million bushels, a little more than half of last year’s and the least since 2006, according to the U.S. Department of Agriculture.

The cost of pasta jumped about 20 cents in the past few months to an average of about $1.48 a pound nationwide…

…North Dakota durum fetched about $15 a bushel this spring but has dropped to about $11, due to the lack of buying and selling.

Still, that’s about twice what it sold for at this time last year, she said…

“This is one of the few crops we have that can have such an immediate impact on the consumer,” Goehring said. “This year, they will experience higher pasta prices.”

The story above is one played out in countless markets for commodities (such as wheat) and the goods they are used to produce (pasta, in this case) all the time. Due to poor weather and a particularly wet spring, farmers were unable to plant as many of their fields with wheat as they have in the past. Therefore, the 2011 wheat harvest is less than it usually is, meaning the supply of wheat has decreased. However, since there has been no fundamental change to the demand for wheat (we still eat pasta!) the relative scarcity of wheat is greater than in the past. Demand remained constant, while supply fell, therefore the relative scarcity increased.

The value of anything is based on its relative scarcity. In product markets, like that for wheat, value is conveyed by the commodity’s price. As the article says, the price of wheat is currently selling at “about twice what it sold for at this time last year”. At the current price of $11 per bushel, we can assume that the price last year was $5.50. However, the price reached as high as $15 earlier in the summer, indicating that the reduced supply of 59 milliion bushels, which is “a little more than half of last years” (which we’ll assume was around 100 million bushels), caused the price to peak at $15 this year. All this is a complicated way of saying that as the output of wheat fell, wheat prices rose because demand remained constant.

Additionally, the price of the product for which wheat in an input also rose. Pasta prices have jumped “20 cents in the past few months” to $1.48. Since the price of wheat is a resource cost for pasta producers, higher wheat prices lead to a fall in the supply of pasta, making pasta more scarce and driving the price up for pasta consumers.

All this can be demonstrated graphically using simple supply and demand analysis.

Based on the figures in the graphs above, the responsiveness of wheat consumer (which are mostly pasta producers) to the rising price of wheat can be easily calculated. Price elasticity of demand (PED) is the measure of consumers’ sensitivity to price changes. It is measured by calculating the percentage change in quantity following a price change divided by the percentage change in price. The quantity demanded of wheat fell by 41%, while the price rose by 272%, meaning that the PED for wheat is 41/272, or 0.15. This is considered relatively inelastic since such a large price increase led to a relatively small fall in the quantity of wheat demanded.

It is likely that if wheat prices remain elevated throughout 2011, next spring farmers across the American Midwest will have a strong incentive to plant more acres of wheat than they have in years past. Assuming the weather conditions improve and the fields are dry enough to grow wheat, it would be expected that a year from now wheat prices will be much lower than they are today, as supply returns to or exceeds historical levels next year. High prices for wheat today have harmed pasta consumers, but in the long run everyone, both pasta producers and pasta consumers, will likely enjoy lower prices thanks to the high prices of today.

This is how the market system works. When resources are under-allocated towards a particular good, as they have been towards wheat in 2011, price rises in response to the good’s increased scarcity. But the higher prices incentivize producers to allocate more resources towards those goods’ production, and over time the supply increases once more, reducing its scarcity and bringing the price back down.

Discussion Questions:

1. Why did wheat become more scarce in 2011, even though the demand for wheat did not change?
2. Interpret the claim that “wheat consumers are relatively unresponsive to higher wheat prices”. Can you think of a reason why this is the case? Can you think of an example of a product for which consumers would likely be much more responsive to a change in the price?
3. How does the high price of wheat and pasta in 2011 likely assure that a year from now, prices will be much lower than they are today, assuming there are not further problems with flooding in wheat growing areas?
4. How do prices “allocate resources” in a market economy? What do you think would have happened to the number of acres farmers would plant in wheat next year if instead of the price doubling this summer, it had been half of what it was in previous years?

Related posts:

1. From disequilibrium to equilibrium – how prices allocate resources in a free market
2. As Chinese planes take off, prices may be coming in for a landing
3. From heart transplants to watermelons: Understanding price elasticity of demand

Chocolate Sales: A Sweet Spot in the Recession – TIME

Living in Switzerland, I find an article featuring a local business from the town my school is in irresistible, particularly when it appear in TIME magazine. Lindt chocolate, the company featured in this article, manufactures its delicate treats right down the hill from the ZIS campus, which means that when the wind is just right, you can just catch the scent of fresh, creamy chocolate wafting up the hillside while walking to campus.

Lindt, as well as its global competitors in the chocolate business, is enjoying surge in demand even while countless other industries are forced to cut back production, lay off workers, and close their factory doors. From TIME:

While the credit crisis has slowed down sales of everything from cars to organic groceries, people seem happy to keep shelling out for chocolate. Last year, as the global recession was gaining ground, Swiss chocolate makers bucked the trend with record sales — nearly 185,000 tons, an increase of 2% over 2007, sold domestically and in 140 export markets…

“Switzerland’s image sells well abroad, and nothing says ‘Switzerland’ more than chocolate,” says Stephane Garelli, director of the World Competitiveness Center at the Institute of Management Development (IMD) in Lausanne, predicting that this comfort food will continue to sweeten the sour economy for months to come…

“Now that people don’t have a new television or a new car,” he noted, “they eat a bit more chocolate.”

“Chocolate is one of the more recession-resilient food sectors,” says Dean Best, executive director of Just-Food, a U.K.-based news and information website for the global food industry. “With consumers eating out less and eating at home more, there is evidence that they are still allowing themselves the occasional indulgence — and chocolate is a relatively inexpensive indulgence.”

But the question of why there is no meltdown in the chocolate business may be more a matter of psychology than economics. “There is well-documented evidence going back to Freud, showing that in times of anxiety and uncertainty, when people need a boost, they turn to chocolate,” says Garelli of the IMD. “That’s why when the economy is bad, chocolate is still selling well.”

Which goes to show that chocolate is more than a candy treat — it’s real food for the soul.

So does this mean chocolate is an inferior good, or one for which demand increases as incomes fall? I doubt many Swiss chocolate producers would consider their product inferior, but perhaps it does fit the definition.

On the other hand, perhaps the reason demand for chocolate increases during a recession has more to do with the substitution effect than the income effect. As people eat out less, they consume fewer expensive deserts at restaurants and instead fill their shopping baskets with more affordable dessert options for the home. I can say from experience that this is the case for myself.

Living in Switzerland, I find myself rarely going out to eat at restaurants, an activity reserved for special occasions in this country where a steak can set you back 75 dollars. Instead, I eat at home almost every night, and nothing is more appealing to me, especially during hard economic times, than a bar of delicious chocolate after a home cooked meal. Demand for chocolate may rise during recessions simply because the demand for one of its substitutes (restaurant desserts) falls.

Discussion questions:

1. Do you think chocolate is an inferior good or a normal good? What’s the difference? What types of goods do YOU consome more of when you find yourself faced with a tighter budget?
2. Does economics have a good explanation for the above situation? The article mentions Freud, a pioneer in  the field of psychology; do humans’ economic behavior always appear rational?
3. If chocolate were an inferior good, what would happen to chocolate sales when the global economy finally turns around and incomes start increasing? What do you think will happen to chocolate sales when the economy starts imrpoving? Explain.

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1. Is bicycle transportation an “inferior good”?
2. It may not be a recession, but it sure feels like one…
3. Mali’s Weed: Is this an economic development, economic growth, supply or demand issue??

This article was originally posted on September 19, 2007

FT.com / Asia-Pacific / China – China freezes government-set prices

Here’s a great article for both AP and IB students to pay attention to. The Chinese government is responding to rising prices at home by resorting to some good old fashioned “iron fist” measures, namely price controls on a wide range of products. For the rest of this year, prices on certain goods and services will not be permitted to rise, OR ELSE! (what? we don’t want to know!)

China has begun to enforce a freeze on all government-controlled prices in a sign of the central government’s alarm about rising popular anger over inflation, now at the highest rate in over a decade.The order freezes a vast array of prices still under the control of governments in China, ranging from oil, electricity and water, to the cost of parking and park entrance fees.

I find the following statement interesting:

“Any unauthorised price rises are strictly forbidden…and in principle, there will be no new price-raising measures this year,” the ministries’ announcement said. (italics added)

How strange is it that the government’s announcement pointed out that the freeze on prices is only in principle? Could this be the government’s attempt to placate a public that’s grown angry at their weakening purchasing power? Does this mean that if prices actually do go up, the government can just say, “Hey, at least we tried!” Looks like the old communist mentality has softened a bit in the era of market reforms!

So what’s the source of all these rising prices? Well, food plays a big role, thanks to a couple of factors:

The sharp spike in inflation is largely due to higher food prices, because of a shortage of pigs after a disease killed millions late last year and earlier in 2007, and the rising cost of feed, a global
phenomenon.

The China of today is very different from that of 20 or 30 years ago, when the government played a much larger role in the economy. Unleashing the beast of the free market in the early 80′s may have meant the government would have to loosen its grip in situations such as today’s inflation, and let the free market adjust on its own.

Economists said the price freeze is the kind of administrative measure redolent of China’s former planned economy, but it may be less effective in China today.

“They will not be able to control the price of everything,” said Chen Xingdong, of BNP Parisbas in Beijing.

Perhaps that’s for the better.

Discussion Questions:

1. Why might the government’s price controls actually make the matter worse for the average Chinese?
2. If the government were to take a “laissez faire” approach to the problems faced by China, how might the free market resolve them on its own? Any ideas?

Related posts:

1. “A glimmer of hope” – rising incomes in China lead to rising demand for US exports
2. The true causes of and solutions to inflation in China
3. Deflation: why lower prices spell doom for any economy!

Kite Powered Ship Sets Sail for Greener Futhre – Guardian.co.uk

A German engineer has given an old technology new life to help make trans-oceanic shipping greener and least costly.

A cargo ship pulled by a giant, parachute-shaped kite will leave Germany on Tuesday on a voyage that could herald a new “green” age of commercial sailing on the high seas.

The owners of the MS Beluga, a 462ft cargo vessel, will try to prove that modern steel ships can harness wind power and reduce their reliance on diesel engines.

During the journey from Bremen to Venezuela, the crew will deploy a SkySail, a 160 square metre kite which will fly more than 600ft above the vessel, where winds are stronger and more consistent than at sea level.

Its inventor, Stephan Wrage, a 34-year-old German engineer, claims the kite will significantly reduce carbon emissions, cutting diesel consumption by up to 20 per cent and saving £800 a day in fuel costs. He believes an even bigger kite, up to 5,000 square metres, could result in fuel savings of up to 35 per cent.

Here’s a thought… reduced fuel costs to trans-oceanic shipping companies should shift the supply of such services out, as the marginal cost of shipping falls. Greater supply will mean lower prices to customers demanding such services, moving downward along the demand curve, increasing the equilibrium quantity of trans-oceanic cargo journeys.

Question: Assume all cargo ships in the world eventually incorporate the sail technology, increasing the supply and reducing the price of shipping by an average of 20% and reducing the emission of greenhouse gases of vessels by an average of 20%. What would have to be true about the price elasticity of demand for trans-oceanic shipping in order for a 20% reduction in price to result in an overall reduction of greenhouse gas emissions by cargo ships? Depending on the answer to this question, this “green” technology could actually result in greater emissions of greenhouse gases by cargo ships.

Explain…

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Clinton thinks suspending the gas tax for the summer is good for Americans. She says that any revenue lost can be made up for by taxing the profits of oil companies.

Obama thinks it will cause more harm than good to the economy. He says the $9 billion of government revenue foregone could have done more good for the economy through job creation and road maintenance than the $25 each American driver will save with a suspension of the gas tax.

They’re both using their positions on the gas tax to garner more support among Democratic voters in Indiana and North Carolina, where next week’s key primaries will be held.

Greg Mankiw, Harvard economist, has this to say about Hillary’s plan:

I don’t know any prominent economist who favors this McCain-Clinton proposal. More common is the reaction of a friend of mine (a veteran of the Clinton administration) who calls the idea “ludicrous.”

Sometimes a candidate’s position on one particular issue, even a relatively minor one like a federal gas tax that most Americans probably didn’t even know they were paying when they filled up their tanks, draws clear lines around a candidate’s values.

Clinton’s ‘Trouble’ ad

Obama Takes On Clinton and McCain on Gas Tax Holiday

It should be noted that while Obama is probably right that a gas tax suspension will only save drivers a pittance, his economics is slightly flawed. Here’s Tim Haab of Environmental Economics blog responding to Obama’s claim that a gas tax holiday could actually increase demand for gas thus raise gas prices:

Wrong, wrong, wrong: A lower gas price causes quantity demanded to increase as consumers move down the demand curve. The only things that cause gas demand to change are changes in income, prices of substitutes and complements, tastes and preferences and expectations… I demand a retraction.

Who are these “some economists” that Obama is talking about? Did they get their degrees from an SEC school or something? Name names so that we can have an econoblogosphere beatdown! Out these blasphemers!

Note: I think Obama got the $25 to $30 number correct.

Mr. Haab is technically correct when it comes to basic economic theory. Repealing the gas tax should shift supply out, not demand, as taxes are a determinant of supply. Rather than demand changing, quantity demanded by drivers will increase, in response to the increased supply and lower prices.

What I do think could happen, however, is that expectations of future price increases might incentivize drivers to increase their demand for gas over the summer. This Mr. Haab seems to oversee. When August roles around and drivers know that come Labor day the gas tax will kick in again, they may chose to take a family road trip that they otherwise would have postponed, shifting overall demand for gas out, driving prices up.

In the case of a temporary suspension of an excise tax on any good, there is always the expectation that the price will increase again in the future. This could lead to hoarding or stockpiling of the good, increasing overall demand and driving the price up before the tax has even returned.

Related posts:

1. Obama vs. McCain and Clinton on gas tax relief
2. Obama – probably not a “supply-sider”
3. In case you needed another reason: The Economist endorses Obama

As Clinton Seeks Gas Tax Break for Summer, Obama Says No – New York Times

Times are tough for American consumers. Rising food and fuel prices have increased the proportion of household incomes that must be allocated towards these two necessities, both for which demand is highly inelastic, meaning that as their prices rise, the quantity demanded by consumers remains relatively high.

In response to the pinching of Americans’ pocketbooks, two presidential candidates are advocating action at the federal level.

Senator Hillary Rodham Clinton lined up with Senator John McCain, the presumptive Republican nominee for president, in endorsing a plan to suspend the federal excise tax on gasoline, 18.4 cents a gallon, for the summer travel season.

Sounds like a good idea, right? If Americans are finding it burdensome to pay more at the pump, and the government can do something to relieve that burden, why shouldn’t they do it?

Let’s do a little calculation here: At 18.4 cents per gallon, how much per fill-up will Americans save?

I drive a ’94 Toyota pick-up, has a 15 gallon tank and gets notoriously poor mileage. I’ll save $2.76 per tank of gas I buy. I usually fill up my truck about once a week during the summer, meaning I’ll save that much each week. McCain wants to suspend the gas tax from Memorial Day until Labor Day, or for a total of about 12 weeks. If Clinton and McCain get their way, I could very well save as much as $33.12 this year! ASTOUNDING!! What a deal for Americans!

Clearly, repealing the gas tax will have only a minor impact on disposable incomes in America. Obama seems to understand this better than the other candidates:

Senator Barack Obama, Mrs. Clinton’s Democratic rival, spoke out firmly against the proposal, saying it would save consumers little and do nothing to curtail oil consumption and imports…

Mr. Obama derided the McCain-Clinton idea of a federal tax holiday as a “short-term, quick-fix” proposal that would do more harm than good, and said the money, which is earmarked for the federal highway trust fund, is badly needed to maintain the nation’s roads and bridges.

The decision to suspend or not suspend federal gas taxes is essentially a cost-benefit decision. The benefit? Well, apparently around $30 per driver, or about half a tank of gas, compliments of the US government. The cost? Read on…

The highway trust fund that the gas tax finances provides money to states and local governments to pay for road and bridge construction, repair and maintenance. Mr. McCain and Mrs. Clinton propose to suspend the tax from Memorial Day to Labor Day, the peak driving season, which would lower tax receipts by roughly $9 billion and potentially cost 300,000 highway construction jobs, according to state highway officials.

There you have it; $9 billion dollars and hundreds of thousands of jobs that won’t be created in order to put half a tank of gas in each American’s car, which if you think about it, will only lead to Americans driving more this summer. Repealing the gas tax may actually induce Americans who weren’t planning road trips to go ahead and take one, increasing the overall demand for gas and driving the price up to the level it would have been with the tax.

And what about the much needed government revenue the tax creates? Hillary has another plan for recouping that loss:

Mrs. Clinton would replace that money with the new tax on oil company profits, an idea that has been kicking around Congress for several years but has not been enacted into law. Mr. McCain would divert tax revenue from other sources to make the highway trust fund whole.

Clearly, Mrs. Clinton needs a refresher course in basic microeconomics. If she had paid attention in AP Economics (did she even take AP Econ?), Clinton would know that a tax on producers of a highly inelastic good such as oil can be passed almost entirely onto the consumers. In this case, the oil companies, when faced with additional federal taxes on profits, will respond by restricting output, which reduces overall supply in oil market, raising the price of the main input for gasoline. Higher input costs for gasoline refineries will reduce overall supply of gasoline, increasing the price paid by consumers at the pump, negating any price-reduction induced by the suspension of the gas tax.

Ultimately, all taxes are borne by the consumers of an inelastic product: gasoline in this case. Whether the tax is levied on drivers directly, or the oil companies “upstream” in the production process, the outcome is the same: supply is restricted and price is higher.

The suspension of a gas tax that only costs Americans $30 over 3 months appears to impose a much greater cost to society than benefit. At least Obama seems to understand the basic economic reasoning behind this fact.

Obama on State Gas Tax Suspension

Related posts:

1. More on Obama, Clinton, and the “gas tax holiday”
2. SAS student Alice Su critiques John McCain’s tax plan
3. McCain and the Republicans: fiscal conservatives? Think again…

Oil worker shortage could lead to supply squeeze – Nov. 2, 2007

Lately I’ve blogged about the impact of higher oil prices on the petrol market in China (here and here). As the main input in petroleum products such as gasoline and diesel, the price of oil affects the costs of fuel producers, such as China”s SinoPec and PetroChina, the two large state-owned petroleum companies, as well as the scores of smaller competitors in that provide fuel to China’s thirsty economic machine.

As the price of oil has approached $100 per barrel, fuel manufacturers have had to cut back output as their costs have soared, putting upward pressure on the market price of fuel here in China. But what determines the price of a barrel of oil? Is the increase in the price of oil due to an outward shift of demand or an inward shift of supply? Actually, it’s probably both. This article helps answer part of our question, and it does so by discussing one of the determinants of supply of oil, resource costs.

What are the resources involved in producing oil? No, oil is not one of them; oil is the output. The main resources needed to extract oil are capital (rigs and drills to extract it, ships and pipelines to transport it) and labor (engineers to design the rigs and drills, roughnecks to work the rigs, and perhaps most importantly, highly skilled scientists):

Over a quarter of the industry’s highly skilled employees – petroleum engineers, process engineers, geologists, geophysicists and the like – are eligible for retirement in two years, said Beyer.

“It’s a real issue,” said Beyer. “Success in attracting new people into the work force is limited.”

Worldwide, the industry’s “people deficit” is expected to reach up to 15 percent by 2010, according to Pritesh Patel, an associate director at Cambridge Energy Research Associates.

A shortage of skilled labor has lead to rising wages and costs for oil companies. Rising costs mean slowdown in production:

“This could cause some delay in supply reaching markets,” he said.

And as anyone who’s followed oil markets over the last four years knows, supply concerns factor first and foremost in the minds of traders, who have bid prices to record highs of over $96 a barrel in recent weeks.

Competition in the labor market has driven up wages for college graduates with degrees in the needed fields.

The industry is trying to fix the problem.

For starters, salaries are fairly high. Patel said a petroleum engineer typically earns $70,000 to $90,000 a year, right out of school.

Labor markets work a lot like product markets, except in a labor market firms are the demanders, and households the suppliers. Like a product market, supply is upwards sloping, meaning that as the price of labor (wages) increases in the market for petroleum scientits, the quantity supplied should also increase, as households respond by “producing” more scientists (i.e. more people will study chemistry and so on, entering the labor market ready to go to work for oil companies).

The obvious solution to the problem of fewer and fewer qualified scientists is the continued increase in wages for such experts. The computer programming industry is experiencing a similar shortage of skilled workers, which has led not only to higher starting wages, but to firms like Microsoft attempting to make software design cooler and more attractive to college students (remember the pet robots?).

Perhaps the oil companies should think about a scheme to distribute to chemical engineering students “‘pet’-roleum molecules” (a pet molecule you can manipulate throughout college into new and exciting chemical products to make the oil industry more lucrative!) to try and make the science more fun and interesting… Then again, perhaps not. Rising wages should solve the shortage of scientists over time, as more and more college students are drawn to the prospect of making $90,000 right out of college!

So, have YOU been skipping chemistry class? Are your parents dead set on you studying business in college? If so, you may want to show them this article and watch the dollar signs glitter in their eyes! Then again, if you care about the negative externalities of the fossil fuel industry, perhaps you should put your science skills towards the development of new, clean, alternatives to oil!

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Managing Globalization » Business Blog » International Herald Tribune » Blog Archive » China takes to the skies

and the full article: China hopes a homegrown regional jetliner can challenge Airbus and Boeing – International Herald Tribune

Here’s another great example of a market that is set to experience a serious change in the near future. The oligopolistic market for “regional jets”, long dominated by two firms, is set to see the entrance of a new manufacturer. From whence doth the new bird fly? From the far East, no less…

“After a couple of false starts, the Chinese commercial aircraft industry may finally be getting off the ground. Starting next year, the prosaically named China Aviation Industry Corporation 1 plans to offer a regional jet that will compete directly with the two dominant forces in the market, Canada’s Bombardier and Brazil’s Embraer.”

Without even reading the rest of this article, you should be able to picture what will happen in the market for regional jets once the Chinese planes start rolling off the assembly lines. This article will also prove relevant when we begin studying market structures. What are the effects of a more competitive market for regional jets?

“Consumers in the rest of the world could benefit, though. Moving from two companies to three in a growing market could bring aircraft prices down, and eventually airfares as well – especially if the Chinese company’s costs are lower.”

But what of the widespread concerns that have emerges of late about the quality of products coming out of China?

“…if China has to combat worries about product quality in areas like foods and toys, just imagine the hurdles it will face with a passenger plane. Those benefits could still be many years away, depending on how people perceive the new product. Would you fly on a Chinese-made airplane?”

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Mali’s Farmers Discover a Weed’s Potential Power – Sept 6, New York Times

Can it be possible that a new use for an old weed could change the economic health of a nation and at the same time defy the law of opportunity costs? In Mali, farmers are choosing to plant more of weed called jatropha becuase it can now be turned into biofuel. It is a unique plant in that it needs marginal soil and requires little fertilizer. In class we have talked about how discovering a new resource can cause economic growth, how this can shift the PPC curve. But, can a country actually get the benefits of using this new resource with out any opportunity cost? Is what is happening in Mali an example of economic development or economic growth in the first place? Is this a supply or a demand issue?

But now that a plant called jatropha is being hailed by scientists and policy makers as a potentially ideal source of biofuel, a plant that can grow in marginal soil or beside food crops, that does not require a lot of fertilizer and yields many times as much biofuel per acre planted as corn and many other potential biofuels. By planting a row of jatropha for every seven rows of regular crops, Mr. Banani could double his income on the field in the first year and lose none of his usual yield from his field.

You be the judge of why Mali is making the decision to produce more jatropha. Is this a case for demand or supply? Which curve would shift? Which determinant is causing this shift?

But here in Mali, one of the poorest nations on earth, a number of small-scale projects aimed at solving local problems — the lack of electricity and rural poverty — are blossoming across the country to use the existing supply of jatropha to fuel specially modified generators in villages far off the electrical grid.

“We are focused on solving our own energy problems and reducing poverty,” said Aboubacar Samaké, director of a government project aimed at promoting renewable energy. “If it helps the world, that is good, too.”

This is very interesting information for you to consider as you are wondering about environmental sustainability, a real life economic issue.

Jatropha’s proponents say it avoids the major pitfalls of other biofuels, which pose significant environmental and social risks. Places that struggle to feed their populations, like Mali and the rest of the arid Sahel region, can scarcely afford to give up cultivable land for growing biofuel crops. Other potential biofuels, like palm oil, have encountered resistance by environmentalists because plantations have encroached on rain forests and other natural habitats.

But jatropha can grow on virtually barren land with relatively little rainfall, so it can be planted in places where food does not grow well. It can also be planted beside other crops farmers grow here, like millet, peanuts and beans, without substantially reducing the yield of the fields; it may even help improve output of food crops by, among other things, preventing erosion and keeping animals out.

So try to apply what you have learned about opportunity costs, economic growth and development, as well as supply and demand and analyze these economic events in Mali. I look forward to your comments

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Vindy.com – Ethanol affects price of pork, China’s staple

What does the biofuel we put in our cars have to do with the meat we eat with our noodles and rice? Economics has an answer to this question! This week in AP Economics we learned that market supply of a product is determined not only by the price of the product but also by several “non-price determinants of supply”. To help remember these we learned an acronym:

S- subsidies and taxes
T- technology
O- other related goods prices
R- resource costs
E- expected future prices
S- size of the market (# of firms)

The article above talks about the relationship between the demand for ethanol, which is a corn-based biofuel being manufactured in record quantities all over the world, and the price of China’s staple protein source, pork.

Read the article, and discuss which determinants of supply are being affected, and describe the impact on the pork market (think of the supply and demand curves and equilibrium price).

Discussion Questions:

1. As the price of pork goes up, what do you think is happening in the market for substitutes in consumption, such as chicken?
2. How will the rising pork prices affect demand for chicken?
3. Assuming that pork and chicken are also substitutes in production, how will the changes in the pork market affect the supply of chicken?
4. What can we expect to happen to the price of other related goods as pork prices continue to rise?

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3. In the meantime, retaliatory regulations contribute to China’s inflation!

National Geographic News Photo Gallery: Week in Photos: Monster Hog

Near Delta, Alabama, May 3, 2007—Hogzilla may be headed for horror-movie heaven, but the massive swine that became an Internet sensation in 2004 may have been bested, size wise, by this reportedly wild pig killed May 3 by Jamison Stone, 11, and reported by the Associated Press on Wednesday.

From tip to tail, the newfound hog—dubbed “Monster Pig”—measures 9 feet, 4 inches (284 centimeters) and weighs in at 1,051 pounds (477 kilograms), according to Stone’s father.

At a 150-acre (60-hectare), fenced hunting range, Stone said, he shot the huge beast eight times with a revolver before tracking it with his father and guides for three hours. Finally, the boy shot the hog at point-blank range, killing the animal, the AP reported.

While hunting by children is legal in Alabama, officials are investigating whether anyone had transported and released the live feral pig into the hunting preserve, which would violate state law.

Okay, so maybe this one’s a stretch for a blog about economics, but sometimes when you see something in the news this amazing, you just have to share it with the world! Let’s see if I can come up with some questions about this one!

Discussion Questions:

1. What impact would “monster hog” have on the price of pork (assuming it goes to market)?
2. What will happen in the beef market once “monster hog’s” meat reaches the market? Explain.
3. Can you think of a product that might be a compliment to pork? Describe
   what will happen in that product’s market thanks to “monster hog”.

Looks like China could use a few monster pigs of its own to relax the steep increase in pork prices recently!

Tighter supplies lead to big price rises for pork, eggs-21food.com

THE prices of pork and eggs have soared in past weeks across China due largely to tighter supplies and increasing production costs…Food products account for 33 percent of the CPI in China with meat, poultry and related products making up about 20 percent.

According to the Ministry of Agriculture, live pigs nationwide were 71.3 percent more expensive than a month earlier, and pork, 29.3 percent higher.

In Beijing, the price of slaughtered pigs went up more than 30 percent in recent days…

An outbreak of blue ear disease, also known as Porcine Reproductive and Respiratory Syndrome, among pigs in Guangdong Province and the Guangxi Zhuang Autonomous Region, causing many deaths and a large amount of pigs to be culled, according to the National Development and Reform Commission…

“This sent a strong signal for distributors to jack up prices,” said Xu, adding that this exacerbated the unbalanced supply and demand.

“Pig raisers have lost money in the past couple years and they are reluctant to raise pigs. This led to a marginal decline in live pigs this year.”

Still worse, edible oil and grain prices rose at the beginning of this year, and feed prices followed suit.

Grain prices have risen largely due to an anticipated decline in output this summer and will continue to increase slightly in the coming weeks, boosting the prices of pork

Discussion Questions:

1. What is the “CPI” and why has it risen in China recently?
2. Does this article discuss the determinants of demand or the determinants of supply? Which determinant is being affected in the pork market?
3. What is happening in the market for pork in China? Which curve is shifting, supply or demand?
4. What “strong signal” led pork distributors to “jack up prices”?
5. If the price of pork continues to rise, what should happen to the supply of pork? Explain.

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Related posts:

1. Supply and demand shifters and the price of pork in China
2. In the meantime, retaliatory regulations contribute to China’s inflation!
3. China’s “visible hand” clamps down on rising prices