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The paper examines the optimal behavior of a single dealer who is faced with a stochastic demand to trade (modeled by a continuous time Poisson jump process) and facing return risk on his stock and on the rest of his portfolio (modeled by diffusion processes). Using stochastic dynamic programming, we derive the optimal bid and ask prices that maximize the dealer's expected utility of terminal wealth as a function of the state in which he finds himself. The relationship of the bid and ask prices to inventory of the dealer, instantaneous variance of return, stochastic arrival of transactions and other variables is examined. 相似文献
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Wolfram Engels Armin Gutowski Walter Hamm Wernhard Möschel Wolfgang Stützel Carl Christian von Welzsäcker Hans Willgerodt 《Economic Affairs》1985,5(4):i-xii
The Common Agricultural Policy of the European Economic Community threatens to pull Europe apart. Seven eminent German economists, the Kronberger Kreis, demonstrate the political and economic tailings of the CAP. They argue in this short version prepared by Dr klaus Peter Krause of a book to be published in German that without radical reform the CAP will continue to generate massive wastage, subvent the efforts of farmers throughout the Community, provoke widespread political tension both inside and outside the Community, and force unnecessarily high prices on consumers. Two British commentators examine the importance of the Kronberger Kreis Supplement for the agricultural markets in Europe and the Third World. 相似文献
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This article uses a limited general equilibrium model to investigatethe growth and equity effects of a variety of economic and technicalchanges and selected agricultural policies in India. It exploreshow changes in food prices, rural wages, and farm profits associatedwith the Green Revolution period affected income distributionbetween net buyers and sellers of food. The model shows thatincome gains from the Green Revolution initially accrued tothe wealthier rural groups but that after 197273 theywere transferred to urban consumers and that by 198081the per capita incomes of poor and wealthier rural groups alikewere barely above their respective 196061 levels. Themodel is also used in counterfactual analysis of the impactof changes in technological, demographic, investment, taxation,and income redistribution variables. Its findings indicate theimportance of trade policies for the nature of the equity outcomesfrom agricultural growth and suggest that a reduction in populationgrowth and an increase in nonagricultural employment and incomeare required to convert agricultural growth into reduced ruralpoverty. 相似文献
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