00947nam1 22003011i 450 99000300249040332120100915114154.0000300249FED01000300249(Aleph)000300249FED0100030024920030910d1989----km-y0itay50------baengGB<<The >>collected essays of Harvey Leibensteinedited by Kenneth ButtonAldershotE. Elgarc19892 v.26 cm0019900030025004033212001 <<1. >>Population, development and welfare0019900030025104033212001 <<2. >>X-efficiency and micro-micro theoryLeibenstein,Harvey103465Button,Kenneth<1948- >ITUNINARICAUNIMARCBK990003002490403321SESDECTSCollected essays of Harvey Leibenstein468613UNINA