00335nam a2200109   4500082001800000084002500018100002200043245007500065260005100140300001200191650002200203  a338.5W  BAU-W  2Colon Classification  aBaumol, William,J  aWelfare economics and the theory of the state /cby  William,J. Baumol  aCambridge :c1952.bHarvard University Press,   a171p. :  aWelfare Economics