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Intereconomics - Only a few years ago, it was a widespread belief that globalisation would trigger processes of democratisation worldwide. However, even old and established democracies such as the... 相似文献
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Summary In this paper we consider a class of time discrete intertemporal optimization models in one dimension. We present a technique to construct intertemporal optimization models with nonconcave objective functions, such that the optimal policy function coincides with any pre-specifiedC
2 function. Our result is a variant of the approach presented in a seminal paper by Boldrin and Montrucchio (1986). Whereas they solved the inverse problem for the reduced form models, we address the different question of how to construct both reduced and primitive form models. Using our technique one can guarantee required qualitative properties not only in reduced, but also in primitive form. The fact that our constructed model has a single valued and continuous optimal policy is very important as, in general, nonconcave problems yield set valued optimal policy correspondences which are typically hard to analyze. To illustrate our constructive approach we apply it to a simple nonconcave model.We are grateful for the helpful comments of L. Montrucchio, K. Nishimura, T. Mitra and an anonymous referee. Financial support of the Austrian Science Foundation under contract No. P7783-PHY and No. J01003-SOZ is gratefully acknowledged. This paper was written while M. Kopel was visiting the Department of Economics, Cornell University. 相似文献
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Herbert Dawid 《Journal of Evolutionary Economics》1996,6(4):361-373
We analyze the learning behaviour of a Simple Genetic Algorithm in an overlapping generations model with one consumption
good and fiat money. It is shown by simulations, that in cases where periodic equilibria exist the equilibrium of period two
is learned by a Genetic Algorithm and not the monetary steady state. We further show that proper coding leads to convergence
of the GA towards the sunspot equilibrium. If individuals who believe in the impact of sunspots are brought together with
individuals who ignore the sunspots, the sunspot believes will in most cases drive the other individuals out of the population. 相似文献
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Friedrich Krotz 《Publizistik》2005,50(2):242-242
Ohne Zusammenfassung 相似文献
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Zareh Asatryan Thushyanthan Baskaran Theocharis Grigoriadis Friedrich Heinemann 《The Scandinavian journal of economics》2017,119(3):801-820
In this paper, we exploit the introduction of the right of local initiatives in the German state of Bavaria in 1995 in order to study the fiscal effects of direct democracy. Our identification strategy combines difference‐in‐differences and regression discontinuity methods: we compare municipal expenditure and revenue between pre‐ and post‐reform periods at population thresholds where the signatures needed to launch initiatives and minimum quorum requirements decrease discontinuously (difference‐in‐discontinuities design). The results suggest that stronger direct democratic institutions lead to an expansion of local government size. 相似文献
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In this paper, we present some results on Geometric Asian option valuation for affine stochastic volatility models with jumps. We shall provide a general framework into which several different valuation problems based on some average process can be cast, and we shall obtain closed form solutions for some relevant affine model classes. 相似文献