[13] Bv. Algan en Cahuc (2004), Job Protection: the Macho Hypothesis, IZA DP nr. 1192 en Nickell en Layard, (1999), Labour Market Institutions and Economic Performance, in: Ashenfelter en Card (Eds.), Handbook of Labour Economics.
[13] Z.B. Algan und Cahuc (2004), Job Protection: the Macho Hypothesis, IZA DP Nr. 1192 sowie Nickell und Layard, (1999), Labour Market Institutions and Economic Performance, in: Ashenfelter and Card (Eds.), Handbook of Labour Economics.