"We study the impact of labour turnover on labour productivity using a panel dataset of 347 shops belonging to a large UK clothing retailer over1995-1999. For the within-shop link -- holding constant the shop's permanent characteristics -- we observe an inverted U-shape effect of labour turnover...

Why should floors be set under wages and working conditions by labour market regulations? This paper finds that efficiency arguments are questionable, because of the disemployment effects of strict regulation. Regulation is better explained in terms of the choices of the employed semi- and...