Kolmar, Martin; Rommeswinkel, Hendrik - In: Journal of Economic Behavior & Organization 89 (2013) C, pp. 9-22
This paper starts from the observation that in public-goods group contests, group impact can in general not be additively decomposed into some sum (of functions) of individual efforts. We use a CES-impact function to identify the main channels of influence of the elasticity of substitution on...