Authors: Salvador Barberà and Anke Gerber
Economics Letters, Vol. 95, No 1, 85--90, January, 2007
This paper originally appeared as
Barcelona School of Economics Working Paper 248
Authors: Salvador Barberà and Anke Gerber
Economics Letters, Vol. 95, No 1, 85--90, January, 2007© Barcelona Graduate School of Economics. All rights reserved.