1. Preference parameters and behavioral heterogeneity: an experimental approach in the health and retirement study;Barsky;Quarterly Journal of Economics,1997
2. Black, M., 1984. Personal discount rates: estimates for the military population. Final report of the Fifth Quadrennial Review of Military Compensation, volume 1B, Appendix I. U.S. Department of Defense, Washington, DC
3. Individual laboratory-measured discount rates predict field behavior;Chabris;Journal of Risk and Uncertainty,2008
4. Gallup Balkan Monitor, 2008. Surveys: Insights and Perceptions: Voices of the Balkans. Available at 〈http://www.balkan-monitor.eu/index.php/dashboard〉.
5. Determinants of Implicit Discount Rates: An Empirical Examination of the Pattern of Voluntary Pension Contributions of Employees in Four Firms;Gilman,1976