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作者：Carmichael, HL; MacLeod, WB
作者单位：Boston College; Universite de Montreal
摘要：Gift giving is a practice common to many societies. In an evolutionary model the social custom of giving gifts at the beginning of a relationship can lead to trust and cooperation. The evolutionary approach makes predictions about the character of the goods that can be used as gifts. For example, gift goods may have little use value even at low levels of consumption. Although the gifts themselves are useless, the institution is not.
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作者：Robson, AJ; Wooders, M
作者单位：University of Toronto
摘要：This paper presents an unconventional argument based on population growth to bolster marginal productivity theory. There is an economy with a single output produced from a number of differ:nt types of labor. Each type of labor is reproduced from that type itself and from the amount of the output devoted to it under some income distributional norm. Any norm which fails to induce convergence to maximal balanced growth is growth dominated, in that the population and income it induces can be overw...
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作者：Betts, CM; Smith, BD
作者单位：Cornell University; Federal Reserve System - USA; Federal Reserve Bank - Minneapolis
摘要：We consider a model where spatial separation, limited communication, and stochastic relocation create a role for banks and country-specific currencies. The same factors also permit a deviation from the law of one price. We examine how monetary policies influence real and nominal rates of exchange and real and nominal rates of interest under both fixed and flexible exchange rate regimes. We also demonstrate that both regimes are characterized by an indeterminacy of both the real and the nominal...
