Abstract
Comparative statics requires that to a path in the space of economic parameters starting at an economy E and to a given equilibrium p of E there corresponds a uniquely determined path of equilibria starting at p . If p is not essential , there need not be any such path of equilibria . But even if p is the unique equilibrium of E and therefore essential , comparative statics in any arbitrarily small neighborhood of E will be impossible if E can be approximated by economies with an infinite number of equilibria . For example an economy like in figure 5 on p.82 can be approximated in any reasonable topology by economies like in figure 4 . Therefore comparative statics requires to rule out economies like in figure 5 in addition to those economies which have non-essential equilibria . What then are we left with ?
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© 1974 Springer-Verlag Berlin · Heidelberg
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Dierker, E. (1974). Density of Transversal Intersection. In: Topological Methods in Walrasian Economics. Lecture Notes in Economics and Mathematical Systems, vol 92. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-65800-6_9
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DOI: https://doi.org/10.1007/978-3-642-65800-6_9
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-06622-4
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