This paper develops and applies semiparametric econometric methods to estimate the form of selection bias that arises … econometric selection model which represents the bias solely as a function of the probability of participation; and (c) the method … method but find evidence in support of the index-sufficient selection bias model and the assumptions that justify application …

This paper discusses the problems facing the Mexican economy. It operates under a heavy burden of monopoly and … heavy burden of monopoly and regulation. We find little evidence that the introduction of social protection programs for …

This paper discusses the problems facing the Mexican economy. It operates under a heavy burden of monopoly and … heavy burden of monopoly and regulation. We find little evidence that the introduction of social protection programs for …

This paper discusses the problems facing the Mexican economy. It operates under a heavy burden of monopoly and … heavy burden of monopoly and regulation. We find little evidence that the introduction of social protection programs for …

This paper discusses the problems facing the Mexican economy. It operates under a heavy burden of monopoly and … heavy burden of monopoly and regulation. We find little evidence that the introduction of social protection programs for …