Apr 21 2012
When the level of output that society demands is produced by the firms in a market. If the marginal benefit enjoyed by consumers equals the marginal cost faced by producers, allocative efficiency is achieved. Only in perfect competition will allocative efficiency be achieved in the long-run, since the price of the good equals the marginal cost of the producers. In imperfectly competitive markets, the price will always be higher than the marginal cost of the firms, indicating that resources are under-allocated towards the product.
About the author: Jason Welker teaches International Baccalaureate and Advanced Placement Economics at Zurich International School in Switzerland. In addition to publishing various online resources for economics students and teachers, Jason developed the online version of the Economics course for the IB and is has authored two Economics textbooks: Pearson Baccalaureate’s Economics for the IB Diploma and REA’s AP Macroeconomics Crash Course. Jason is a native of the Pacific Northwest of the United States, and is a passionate adventurer, who considers himself a skier / mountain biker who teaches Economics in his free time. He and his wife keep a ski chalet in the mountains of Northern Idaho, which now that they live in the Swiss Alps gets far too little use. Read more posts by this author