Nov 28 2016 Benjamin Tetteh Anang , Stefan Bäckman and Antonios Rezitis   Does farm size matter? Investigating scale efficiency of peasant rice farmers in northern Ghana   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Nov 21 2015 Dongryul Lee   Group contests and technologies   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Jan 06 2011 Giulio Guarini   Innovation and Growth in the Grossman-Helpman's 1991 Model with Increasing Returns.   Abstract  Contact Information  Citation  Full Text  -  Note   Jan 04 2011 Juan David Prada   A note on concavity, homogeneity and non-Increasing returns to scale   Abstract  Contact Information  Citation  Full Text  -  Note   May 18 2007 Pedro Cosme Vieira and Samuel Pereira   How to control market power of activity centers? A theoretical model showing the advantages of implementing competition within organizations   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result