The knowledge of the nature and structure of trade unions is a basic requisite to correctly model bargaining between firms and unions. Thus, in this paper the historical background and the current characteristics of the Uruguayan trade unions are summarised.

This paper studies the evolution of three historical time series on skill premiums in the United States during the major part of the 19th and 2oth century. A descriptive analysis leads us to asses the existence of a systematic relation between the series and the inflation rate, pointing towards...