The purpose of this paper is to evaluate the relative importance of deviations from competitive behaviour, both in product and in labour markets, in the determination of sectoral employment growth in Italy during the last forty years (1951-90). This is done with the help of a two-sector...

Standard estimates of earnings profiles ignore the fact that, with unobserved heterogeneity, cross-section evidence need not reflect the `true' relationship between earnings and tenure. In this paper we argue that the observation of the position filled by an employee in the firm hierarchy is...