Cabral, Luís M B; Hortaçsu, Ali - C.E.P.R. Discussion Papers - 2004
We propose a basic theoretical model of eBay’s reputation mechanism, derive a series of implications and empirically … receives a negative rating for the first time his reputation decreases and so does his effort level. This implies a decline in … more to gain from ‘buying a reputation’ by building up a record of favourable feedback through purchases rather than sales …