Comparative Statics, English Auctions, and the Stolper-samuelson Theorem

نویسنده

  • FEDERICO ECHENIQUE
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.

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تاریخ انتشار 2003