1. Grenznutzen;Rosenstein-Rodan,1927
2. An essay on the nature and significance of economic science;Robbins,1935
3. Doeleinden en criteria;Hennipman,1962
4. Welfare economics and the theory of economic policy;Hennipman,1995
5. New scarcity and economic growth: more welfare through less production?;Hueting,1980