This paper tries do motivate the discussion of evaluation problems in the context of social programs. Initially, the text explores the point of view that social programs should be recognized as complex organizations. In the case, there are multiple objectives, decentralization, and coordination...

This paper analyses the competitiveness evolution in Argentina, Brazil, Paraguay and Uruguay within Mercosur trade flows, on the relative specialization perspective and changes in the distribution of revealed comparative advantage among distinct product categories. For this purpose, it measures...