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The Theory of Assortative Matching Based on Costly Signals 总被引:1,自引:0,他引:1
We study two-sided markets with a finite number of agents on each side, and with two-sided incomplete information. Agents are matched assortatively on the basis of costly signals. Asymmetries in signalling activity between the two sides of the market can be explained by asymmetries either in size or in heterogeneity. Our main results identify general conditions under which the potential increase in expected output due to assortative matching (relative to random matching) is offset by the costs of signalling. Finally, we examine the limit model with a continuum of agents and point out differences and similarities to the finite version. Technically, the paper is based on the elegant theory about stochastic order relations among differences of order statistics, pioneered by Barlow and Proschan in 1966 in the framework of reliability theory. 相似文献
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Political fragmentation has been shown to be an important determinant of electoral turnout. We introduce an empirical approach that allows disentangling the impact of two dimensions of such fragmentation: the number of parties and the size inequalities between those parties. This is important as it allows us to assess the size, significance, and direction of the individual effects of each element – an aspect disregarded in previous research. Our empirical analysis of the 2000 Flemish municipal elections shows that a higher number of parties competing in the election lowers turnout. The size inequalities between the parties exert a positive – though insignificant – influence on voter participation. 相似文献
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