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A critical review of the recent models of data envelopment analysis (DEA) is attempted here. Three new lines of approach involving dynamic changes in parameters, the error correction models and a stochastic sensitivity analysis are discussed in some detail. On the applications side, two new...
In this paper we develop a stochastic (first order Markovian) consumer choice model that represents variety seeking behaviour and we investigate the practical implications of this model for optimal product positioning relative to a zero order model that does not incorporate variety seeking. We...
This paper is concerned with the effect of natural resource scarcity on economic growth in the United States. After defining the notion of scarcity and introducing two measures of scarcity—unit costs and relative resource price—changes in resource scarcity trends for lead, zinc, nickel,...
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