[fre] Le commerce électronique en France: un essai de mesure sur le marché des CD . . En France, le commerce électronique connaît un fort développement depuis 1999, même si les volumes de transaction restent encore modestes. Au-delà de ce succès relatif, la vente sur Internet suscite de...

The object of this paper is to report, for a simple testing problem of a unit root hypothesis, some experience regarding the numerical problems involved by using a Bayesian encompassing test, i.e., a Bayesian procedure that treats the null and the alternative hypotheses as different models, the...

This paper focuses on the estimation of an approximated function and its derivatives. Let us assume that the data-generating process can be described by a family of regression models null, where a is a multi-index of differentiation such that D_αnull(x_i) is the αth derivative of null(<italic>x</italic>) with...

We propose a model of discrimination in the market for mortgages. The model explains accepted loan applications and determines loan sizes and interest rates simultaneously. A competitive, and a discriminating monopoly version of the model are proposed. Offered interest rates and loan sizes are a...

We propose a model of discrimination in the market for mortgages. The model explains accepted loan applications and determines loan sizes and interest rates simultaneously. A competitive and a discriminating monopoly version of the model are proposed. Offered interest rates and loan sizes are a...