Mehlkop, Guido, Germany

• Vol 1, No 1 (2007) - Research Reports
  The effects of monetary incentives on the response rate in mail surveys on self-reported criminal behavior. Theory and empirical results of an experiment
  Abstract  PDF (Deutsch)
• Vol 1, No 2 (2007) - Research Reports
  Effects of prepaid monetary incentives on the return of mail survey and self-reporting about delinquency. Empirical results of an experiment
  Abstract  PDF (Deutsch)