Titlebook: Economics Essays; A Festschrift for We Gérard Debreu,Wilhelm Neuefeind,Walter Trockel Book 2001 Springer-Verlag Berlin Heidelberg 2001 Allg

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Nonparametric Estimation of Additive Models with Homogeneous Components, popular since many economics models become easier to interpret and estimate when the explanatory variables are additively separable. In this paper we combine the two restrictions and propose a two-step nonparametric procedure for estimating additive models whose unknown component functions may be h

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A Reinforcement Procedure Leading to Correlated Equilibrium,e knows neither his own payoff function, nor the characteristics of the other players (how many there are, their strategies and payoffs). In this context, we present an adaptive procedure for play called “modified-regret-matching” — which is interpretable as a stimulus-response or reinforcement proc

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A Theoretical Analysis of the Mean Slutsky-Income Effect in the CAPM,vestors have non-increasing absolute risk aversion. Together with some lower bounds on the degree to which absolute risk aversion decreases with income this result will be shown to be sufficient for the uniqueness of CAPM-equilibria.

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Demand Dispersion, Metonymy and Ideal Panel Data,ium is unique. Increasing dispersion requires, roughly, that when the households’ incomes rise slightly their demand vectors move apart. We show how to test for it using panel data with fixed relative prices under a “structural stability” hypothesis [10]. We also show how to test for it using cross

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Some Problems and Perspectives in Economic Theory,sense. They are particularly interested in “equilibria” of the economy, “states” from which the individuals in the economy have no incentive to deviate. Furthermore, they are concerned with the relationship between the notions of efficiency and equilibria. More ambitiously they may be interested in

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On Price Competition with Heterogeneous Consumers,umer characteristics which guarantee the existence of Nash equilibrium where price is a pure strategy. Here, I present results in the case of unit-elastic demand which concentrate on the heterogeneity of budget shares among consumers. Also, I provide existence results on an extended model of discret

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