... methodology and shows a contrast of the existence of selection biases. The fifth and last section presents the conclusions. The study of the effect of diplomas on earnings has typically involved the use of cross‐section data, which only allows contrasting the existence of this effect in any given year...

.... Initial empirical evidence is presented, which gives some support for the theory. © MCB UP Limited 2003 Promotion Finance companies Bias The idea of biased contest theory, as initially suggested by Meyer (1991) , develops a model in which organisations use information on a sequence...