Most econometric multi-equation models estimated are assumed to be linear in both the variables and the parameters. One reason is that, in general, methods of linear algebra cannot be applied to nonlinear systems. <p> In this paper a certain class of nonlinear models is defined, however, the...</p>

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Bergin and Lipman (1996) show that the refinement effect from the random mutations in the adaptive population dynamics in Kandori, Mailath and Rob (1993) and Young (1993) is due to restrictions on how these mutation rates vary across population states. We here model mutation rates as...

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Hedging transaction and translation exposures to exchange rate changes may increase the economic exposure of the firm and reduce the information value of firms' quarterly statements. In this paper hedging macroeconomic exposures, of which exchange rate exposure is one type, is discussed in terms...