%0 Journal Article %T On the relativity of the concepts of needs, wants, scarcity and opportunity cost %A Raiklin, Ernest %A Uyar, Bülent %J International Journal of Social Economics %V 23 %N 7 %P 49-56 %@ 0306-8293 %D 1996-07-01 %I MCB UP Ltd %~ DeepDyve