The debate in which we now partake--over the use of animals in medical research--is one of the less remarkable of the social debates of this century. It is not distinguished by its intellectual strength, by its pragmatism, by its achievements, nor by its promise. Its two remarkable features are its longevity and its obstinate sterility. To antivivisectionists it has been a century-long struggle...

Globalization is a multi-dimensional process of economic, political, cultural, and ideological change. It has had a mixed impact on women’s rights. On the one hand, it has led to increasing violations of women’s economic, political, and cultural rights in large measure due to the withering away of the welfare-developmental state, the feminization of poverty, the expansion of religious fundament...

This paper discusses those sources of endogenous growth arising from labor as labor. It uses a production function which models the returns to scale as a function of the division of labor and learning. Smithian analysis of the labor process constitutes the basis upon which we build our own approach. © 2001 Elsevier Science B.V. All rights reserved. JEL classification: D24; J24; O41

This paper, instrumented with six theorems, shows that differences between firms in labor productivity, capital intensity and relative demand for skilled labor can be explained by differences in the substitution parameters between capital, skilled and unskilled labor in the presence of skill biased technical change. D 2005 Elsevier B.V. All rights reserved.

This paper presents some issues pertaining to child and adolescent labor and their impact on health, pointing out the main structural characteristics which are responsible for and socially justify the early incorporation of this segment into the labor market. In Brazil, legislation governing adolescent labor is frequently ignored, showing the need to implement health surveillance programs invol...