Bjurek H and L Hjalmarsson (1995). “Productivity in Multiple-Output Public-Service – a Quadratic Frontier Function and Malmquist Index Approach.” J Public Economics 5: 447-460.
Bjurek H and L Hjalmarsson (1995). “Productivity in Multiple-Output Public-Service – a Quadratic Frontier Function and Malmquist Index Approach.” J Public Economics 5: 447-460.