Social interactions have important consequences for labour market outcomes. Yet the growing literature has relied on indirect definitions of networks. We present the first evidence based on direct information on friends' networks. We address issues of correlated effects with instrumental...

This paper develops a tractable empirical approach to estimate the effect of on-the-job tenure on the permanent and the transitory variance of earnings. The model is also used to evaluate earnings instability associated with fixed-term contracts (short-tenure contracts) in Italy. Our results...

We provide new evidence about earnings and labour market volatility in Britain over the period 1992-2008, and for women as well as men. (Most research about volatility refers to earnings volatility for US men.) We show that earnings volatility declined slightly for both men and women over the...