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Gorman Revisited

其他書名	Nonparametric Conditions for Exact Linear Aggregation
出版	Center for Economic Studies, 2013
URL	http://books.google.com.hk/books?id=dKm3zQEACAAJ&hl=&source=gbs_api

註釋In the tradition of Afriat (1967), Diewert (1973) and Varian (1982), we provide a revealed preference characterisation of exact linear aggregation. This guarantees that aggregate demand can be written as a function of prices and aggregate income alone, while abstracting from income-distributional aspects. We also establish nonparametric conditions for individual consumption to be representable in terms of Gorman Polar Form preferences. Our results are simple and complement those of Gorman (1953, 1961). We illustrate the practical usefulness of our results by means of an empirical application to a Spanish balanced microdata pan.