J Romer

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  • Mathieu Parenti, Philip Ushchev, Jacques-François Thisse, J Anderson, C D 'aspremont, K Behrens +20 others
  • 2014
We propose a general model of monopolistic competition, which encompasses existing models while being flexible enough to take into account new demand and competition features. The basic tool we use to study the market outcome is the elasticity of substitution at a symmetric consumption pattern, which depends on both the per capita consumption and the total(More)
Embryo transfer for dairy cattle in the United States has been used most extensively by Holstein-Friesian breeders, with a rapid increase since 1975. Brown Swiss, Jersey, and Red and White breeders also have reported use of embryo transfer recently. Estimated transmitting abilities for embryo donors are above average, although not outstanding, as are(More)
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