Alchian–Allen effect

Alchian–Allen effect (Redirected from Alchian–Allen theorem) Jump to navigation Jump to search The Alchian–Allen effect was described in 1964 by Armen Alchian and William R Allen in the book University Economics (now called Exchange and Production[1]). It states that when the prices of two substitute goods, such as high and low grades of the same product, are both increased by a fixed per-unit amount such as a transportation cost or a lump-sum tax, consumption will shift toward the higher-grade product. This is because the added per-unit amount decreases the relative price of the higher-grade product.

Vermuten, zum Beispiel, that high-grade coffee beans are 3/pound and low-grade beans1.50/pound; in this example, high-grade beans cost twice as much as low-grade beans. Now add a per-pound international shipping cost of 1. The effective prices are now4 und $2.50; high-grade beans now cost only 1.6 times as much as low-grade beans. This reduced ratio of difference will induce distant coffee-buyers to now choose a higher ratio of high-to-low grade beans than local coffee-buyers.

The effect has been studied as it applies to illegal drugs and it has been shown that the potency of marijuana increased in response to higher enforcement budgets,[2] and there was a similar effect for alcohol in the U.S. during Prohibition.[3] This effect is called iron law of prohibition.

Another example is that Australians drink higher-quality Californian wine than Californians, und umgekehrt, because it is only worth the transportation costs for the most expensive wine.[4] Umgangssprachlich, the Alchian–Allen theorem is also known as the “shipping the good apples out” theorem (Thomas Borcherding),[5] or as the “third law of demand.”[6] See also First law of demand Second law of demand (price elasticity over time) Iron law of prohibition References ^ Alchian, Armen Albert (1983). Exchange & production: competition, coordination & control. Belmont, CA: Wadsworth Pub. Co. ISBN 0-534-01320-1. ^ Thornton, Markieren (1998). "The Potency of Illegal Drugs". Journal of Drug Issues. 28 (3): 725–740. ISSN 0022-0426. ^ Thornton, Markieren (1991). The Economics of Prohibition (Pdf). Salt Lake City, UT: University of Utah Press. ^ "Tim Harford on long-distance relationships - Marginal REVOLUTION". 25 November 2006. ^ Borcherding, Thomas E.; Silberberg, Eugen (1978). "Shipping the Good Apples Out: The Alchian and Allen Theorem Reconsidered". Journal of Political Economy. 86 (1): 131–138. doi:10.1086/260651. JSTOR 1828763. ^ Razzolini, Laura; Shughart, William F. II; Tollison, Robert D. (2003). "On the Third Law of Demand". Economic Inquiry. 41 (2): 292–298. doi:10.1093/ei/cbg008. Further reading Ekelund, Robert B. (1992). "The Union Blockade and Demoralization of the South: Relative Prices in the Confederacy". Social Science Quarterly. 73 (4): 890–902. This article related to microeconomics is a stub. Sie können Wikipedia helfen, indem Sie es erweitern.

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