between competition as an ideal and the feasibility of competition in the railroad sector; this distinction is implicit in … Dupuit's work, but it helps us to grasp that, in his opinion, unlimited competition is not possible in the railroads and that …

, all cotton sector stakeholders do recognize that there is a big issue of excessive competition from a great number of … nevertheless will remain a short term one if no regulation is provided to prevent the market development from excessive and unfair … competition. The case analysed is a good illustration of the shortfalls of unregulated competition. It is however ineffective to …

participants are low enough. This paper argues that existing theory does not support limiting the exemption to low market shares …

We revisit the signalling hypothesis, whereby potential employers use the duration of unemployment as a signal as to …

future students. This signaling equilibrium is characterized by a relative neglect of teaching by the top-tier schools. Such …

. Experimental evidence shows that leadership works more through reciprocity than through signaling. In leading-by-sacrifice, the … leader can give up a part of her payoff. Experimental evidence indicates that this sacrifice works as a truthful signaling …

experiment measures a social return to schooling even in the presence of signaling, whereas strategies based on quasi …-experiments are not necessarily robust to signaling. Our instrumental variable estimation finds returns to schooling very similar to … the rest of the literature, which is a strong case against the signaling hypothesis. …