In microeconomic analysis functions with diminishing returns to scale (DRS) have frequently been employed. Various properties of increasing quasiconcave aggregator functions with DRS are derived. Furthermore duality in the classical sense as well as of a new type is studied for such aggregator...

Also published as DFAE-II Working Paper 2002-26 and as an article in: Journal of Economic Dynamics and Control, 2004, vol. 28, issue 11, pages 2297-2325