1. The persistence of unemployment;Barro;American Economic Review,1988
2. The labor demand side of European unemployment: The role of adjustment costs;Bentolila,1987
3. Firing costs and labor demand: How bad is eurosclerosis?;Bentolila;Review of Economic Studies,1990
4. Labor turnover costs and average labor demand;Bertola,1989
5. Flexibility, investment, and growth;Bertola,1990