The expansion of higher education in theWestern countries has been accompanied by a marked widening of wage differentials and increasing overqualification. While the increase in wage differentials has been attributed to skill-biased technological change that made advanced skills scarce, this...

Applicants for any given job are more or less suited to fill it, and the firm will select the best among them. Increasing the wage offer attracts more applicants and makes it possible to raise the hiring standard and improve the productivity of the staff. Wages that optimize on the trade-off...

This paper describes a moments estimator for a standard state-space model with coefficients generated by a random walk. This estimator does not require that disturbances are normally distributed, but if they are, the proposed estimator is asymptotically equivalent to the maximum likelihood...

The paper generalizes Feldstein's criticism (Perceived Wealth in Bonds and Social Security, 1976) of Barro's analysis (Are Government Bonds Real Net Wealth?, 1974) for the case that the interest rate exceeds the growth rate. This is done by considering an economy in steady state where all agents...