Grosskopf S, K Hayes and J Hirschberg (1995). “Fiscal Stress and the Production of Public Safety – a Distance Function-Approach.” J Public Economics 5: 277-296.
Grosskopf S, K Hayes and J Hirschberg (1995). “Fiscal Stress and the Production of Public Safety – a Distance Function-Approach.” J Public Economics 5: 277-296.