. Surprisingly, improvements in communication technology may result in smaller but more adaptive organizations. …

-sharing due to search frictions implies that ‘good’ jobs which have higher creation costs must pay higher wages. This wage …

is little evidence of learning over the 40 matches of the experiment. …

or more of the posted wages, i.e. search, before deciding where to apply. Both with homogeneous and heterogeneous forms …, equilibrium wage dispersion is necessary for the economy to approximate efficiency. Without wage dispersion, workers do not search …, and wages are depressed. As a result: (a) there is excessive entry of firms; and (b) because, in the absence of search …

We develop a model of search among substitutes for the best combination of commodity variant and price, in which the … structure of search costs can be manipulated by the suppliers of these variants, e.g. by joining an existing market or opening a …