Comparative Statics, English Auctions, and the Stolper-samuelson Theorem
نویسنده
چکیده
We introduce a comparative-statics observation; we prove that the English auction is efficient in a model with interdependent valuations and n bidders; we generalize the StolperSamuelson Theorem to the case of more than 2 goods and factors of production and to non-square economies; and we illustrate how our comparative-statics observation is behind those seemingly unrelated economic propositions. Changes in the parameters of an n-dimensional system of equations induce changes in its solutions. For a class of such systems, we determine the qualitative change in solutions given qualitative changes in parameters. Our methods and results are elementary yet useful. They highlight the existence of a common thread, in diverse areas of economics.
منابع مشابه
English auctions and the Stolper-Samuelson theorem
We prove that the English auction (with bidders that need not be ex ante identical and may have interdependent valuations) has an efficient ex post equilibrium. We establish this result for environments where it has not been previously obtained. We also prove two versions of the Stolper-Samuelson theorem, one for economies with n goods and n factors, and one for non-square economies. Similar as...
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تاریخ انتشار 2003