Discussion paper DP3921 The Effect of Financial Rewards on Students' Achievements: Evidence from a Randomized Experiment Hessel Oosterbeek Bas van der Klaauw Edwin Leuven 23 Jun 2003 Labour Economics I21 I22 J24
Discussion paper DP2986 Counselling and Monitoring of Unemployed Workers: Theory and Evidence from a Controlled Social Experiment Gerard Van den Berg Bas van der Klaauw 4 Oct 2001 Labour Economics J58 J64 J65