Archive for September, 2007

Sep 28 2007

So, how are those Zimbabweans doing under Mugabe’s price controls?

Hungry Zimbabweans Try to Eat Giraffe
http://www.statue.com/images/giraffe-statue.jpg
A while back we blogged about Robert Mugabe’s order to freeze all prices in Zimbabwe in order to halt the country’s hyperinflation. At the time we were studying equilibrium price and how it results in allocative and productive efficiency, meaning that neither too much or too little of a particular product is produced given the availability of resources and manufacturing technology.

A few months after the price controls took affect, the question remains, how are the people of Zimbabwe fairing? I think the headline above answers this question rather clearly. From the article:

Police stopped villagers from slaughtering and eating a giraffe that strayed into the outskirts of the capital amid chronic food shortages caused by an economic crisis, the official media reported Saturday.

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Sep 27 2007

Adventure? Excitement? The teacher craves not these things…

Published by under AP Economics

Habitat for Humanity Philippines

This will probably be my last post for a while. My wife and I are leading a group of 16 SAS juniors and seniors to Lucena City on the Luzon Island in the Philippines next week to build a house with Habitat for Humanity. The following week, we take another group of 24 sophomores to Chengdu in China’s Sichuan Province. I doubt I’ll be blogging much from these two places, however I am sure I’ll have a lot to blog about when I get back. Check back around October 15 and we’ll be back in full swing here at Shanghai American School.

In the mean time, if you haven’t seen it yet, be sure to check out the new SAS Economists student blog where our AP and IB students have begun their careers as bloggers with much enthusiasm and several great posts have already appeared! These kids are amazing writers and some of their blog posts include analysis that goes way beyond what I would expect of them only 5 weeks into their Principles of Economics course! Way to go guys, keep it up and I hope some of you choose to post while I’m away on these trips.

Lucena City

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Sep 25 2007

Cupcake Ban: Are you serious?

Published by under Consumer behavior

New York Times – Don’t Even Think of Touching That Cupcake

I had to post this article. It would have been a crime not to. Seriously, there are economic implications to bans on cupcakes in school and changes in attitudes about cupcakes. You are bright AP and IB Economics students, you figure out the economic implications and then post a comment with your economic analyisis. What does this attack on cupcakes really mean from an economist point of view?

And what is presidential hopeful Hillary Clinton’s stance on the great cupcake debate? The writing’s on the wall folks… promise #9…
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Sep 25 2007

IB Y1 students: Are you cutting back on restaurant meals?

Published by under IB Economics

Consumers cutting back on restaurants: survey Reuters, September 25, 2007

For all my Year 1 IB Economics students out there, here is an example of an short and sweet article that brings to life many of the economic principles that we have been studying in Unit II. Since all IB Year 1 students will be writing their first Internal Assessment during the second week of October (when I am away for China Alive), I wanted to post something just for you to help you prepare.

So, why is this article appropriate for an IA Assessment? First, it is was written in the last 6 months. Second, it is not found in the Economist but it is written by a writer from who has not done a complete economic analysis of the events. That means that there is still room for you to do it. Third, even though some economic ideas are mentioned in the article, the price elasticity of demand as a factor in why people are “cutting back on restaurants” is never mentioned. So, the article is written in such away that there is room for your own independent Demand/Supply Analysis including a whole analysis on the Price Elasticity of Demand for Restaurant Meals.

IB Students, you will need an article in hand on October 8th. Start looking online, New York Times, Reuters, Yahoo, Times, Newsweek, your home country’s newspaper (for me that would be the Boston Globe. So, check out the front page news. Do not go straight to the business section. Consult your IA handbooks and bring them to class.

Ready, set…. search…

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Sep 24 2007

Cut taxes on the rich! How else are they ever gonna catch up with the super rich?

Wow, what can I say? America’s rich are becoming “disenfranchised” as the super rich leave them behind. While the rich can barely afford one family boat and vacations to Martha’s Vineyard, the super rich keep yachts in multiple harbors and jet off to Italy at their whim. This is an outrage, and more should be done to narrow the gap between these disparate groups!

Cutting through the satire, this story does get at some interesting core economic principles, namely the impact of taxes on productivity and output growth. What arguments could seriously be made for cutting taxes for the rich? What role to taxes really play in redistributing wealth from one bracket of income earners to another?

In The Know: Are America’s Rich Falling Behind The Super-Rich?

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Sep 24 2007

IB Review – Neo-classical vs. Keynesian views of inflation

Theory 1 – Demand-pull inflation – is inflation demanding?

The Keynesian view of Demand Pull inflation: Notice the large horizontal section of the AS curve. This represents the wage inflexibility and the elasticity of supply at high levels of unemployment. In a recession, large number of workers are unemployed, so any increase in price will result in a large increase in output, since firms can easily attract new workers without increasing wages. So what about the upward sloping and vertical sections? These of course represent the full-employment level (upsloping) and beyond full employment to full-capacity production, when any increase in aggregate demand is “absorbed” by price level increases with no further increase in output, since all resources are being used to their full-capacity, and even further increases in wages will not increase national output.

K

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Sep 23 2007

Introducing the SAS Economists Blog

SAS Economists – A blog written by AP and IB Econ students at Shanghai American School

It dawned on me this weekend that my students have a LOT to say about economics and how it relates to our world. The Wiki has been a great platform for extending their study of the principles of economics onto a collaborative online learning platform, as over 75 AP students have collaborated on a course study guide.

Part of the wiki experience has included regular posts by students to unit pages called “AP Econ in the News”, where they post a link to an article relating to the current unit’s topics and include a short summary. I have decided to take this concept to one more level and create for the students a blog where they can post their articles, summaries and a short discussion and/or questions to get their class mates to think more about how our subject relates to our everyday lives and the world around us.

So I created a blog just for SAS Economics students, both AP and IB, where they can register as authors and post articles whenever they feel inspired to do so. The blog is called “SAS Economists” and it is found at http://welkerswikinomics.com/students.

Any SAS Economics student, AP or IB, can register at this blog and is automatically made an author. Writing for the blog is easy, and a keen student should be able to figure it out in less than five minutes. I would ask that once in a while, if you find an article (perhaps for the AP Econ in the News page), you consider posting it to the blog as well as the wiki. You don’t need to write much to go with the link to the article, just a few words of how it relates to our class and maybe some questions or observations for readers to think about and comment on.

Anyway, I thought I might as well make a student blog, since we already have the student wiki and the teacher blog! So, follow the link above, bookmark it, and check back regularly to see what your classmates are writing about! And become an author yourself! Anyone can do it! Welcome to the blogosphere folks, have fun!

-Mr. W.

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Sep 23 2007

Is the market for public education in the US allocatively inefficient?

Thanks to Jeewon Oh, Shanghai American School AP Econ student, for posting the link to this excellent article about supply and demand for teachers in Mississippi. Jeewon posted this article and her below summary of it to our class’s “AP Econ in the News” page on the wiki. CLICK HERE to see the other articles and summaries posted by students relating to our current unit on Supply and Demand. Here’s Jeewon’s article:

Teachers: Shortages require pay hikes -The Clarion-Ledger- Real Mississippi

And here’s Jeewon’s summary from the wiki:

In Mississippi, there are not enough teachers in the classrooms. This teacher shortage is becoming a greater problem, as 50 percent of the teachers nationwide are estimated to leave the profession within five years. In August there were 1,270  requests for one-year education licenses, which would result in temporary and unqualified teachers in schools. Despite the fact that 1,400 education majors graduate from Mississippi colleges, only 900 become teachers. The State Superintendent of Education Hank Bounds realized that if wages increased, there would be more teachers willing to work. Bounds currently wants a 3 percent pay raise andaddition of 5 years to the pay schedule for teachers. This is asupply-and-demand issue, as the Legislative Budget Committee is planning to supply, or offer, higher wages, predicting that more teachers will be demanding and willing to take the job, due to the change in their income.

The reason this article jumped out at me is because it relates to so many of the topics we’ve studied in unit 2 of Microeconomics, particularly our last class where we learned about how free, competitive markets lead to an allocatively efficient outcome. In public schools in America, wages paid to teachers are essentially set by the state and local governments; in essence there is a price ceiling in the market for teachers. According to the article:

Mississippi has been on a plan to get pay competitive, but it still lags. Base pay for a starting teacher is about $30,000. The average salary is $40,594, short of the Southeastern average of $42,333. The national average is $47,674.

Given the severe shortage of teachers in Mississippi and the nation as a whole, what does this say about the average salaries being paid to teachers? What can we conclude about the allocation of resources towards education? Is the market for public education in the United States allocatively efficient? How does Jeewon’s article present a solid argument for the privatization of education in the US? How might taking some of the responsibility of providing education out of government hands result in a more efficient allocation of resources towards schools?

Great article, Jeewon, thanks for the link and the nice summary. From now on, when I see an excellent article like Jeewon’s accompanied by a fine summary such as the one above, I will plan to post it to this blog so others can benefit from the research and reading that our AP students are sharing through our class wiki. The AP Econ in the News page is a great place economics teachers and students to come find useful articles for their classes, as well, so I encourage you to bookmark it. A new page is added for each unit, and it can be found under each unit’s main page.

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Sep 21 2007

The true causes of and solutions to inflation in China

IB students – the following is a MUST READ article before we wrap up our unit on inflation and unemployment!

Thomas Palley’s Blog Archive: Inflation, Chinese Style

Here’s a great piece from economist Thomas Palley laying out in great clarity the underlying causes of China’s record high inflation. He explains why China’s inflation fighting strategy based on domestic contractions of the money supply are missing the point, and how to really tackle the rising prices China should look at the value of its currency.

As for why it’s in the government’s own best interest to reduce this inflation, Palley sees the issue as pretty obvious:

Putting the pieces together, the picture is one of rising Chinese inflation, and with that comes the risk of inflation-triggered social and political problems. In this regard it is worth recalling that the Tiananmen Square disturbances of May 1989 were in part caused by industrial worker unrest over erosion of living standards by inflation.

Bringing prices under control appears to be in the best interest not only of consumers in China, but of the government as well, if not for the sake of sound economic policy, then in the name of self-preservation.

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Sep 21 2007

What does a good Economics podcast sound like?

Published by under AP Economics

Here’s some examples of good economics related podcasts. Pay attention to the similarities, such as the interviews, smoothly edited transitions, introductions and conclusions, etc. A good podcast follows a similar structure to a good essay, it uses quotes (interviews) strategically to support evidence of the main ideas.

Some of these podcasts are longer than others. Remember, you’re only expected to make a 3-5 minute podcast exploring ONE topic related in SOME way to our class. Economics, of course, is part of our everyday life. Find one way economics is visible in YOUR life, grab a recorder, go out and interview people and put together a story that illustrates how we are LIVING economics!

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