We study worker and firm behavior in an environment where worker effort could depend on co-workers' wages. Theoretically, we show that an increase in workers' 'concerns' with coworkers' wages should lead profit-maximizing firms to compress wages under quite general conditions. However, firms...

The experimental literature and studies using survey data have established that people care a great deal about their relative economic position and not solely, as standard economic theory assumes, about their absolute economic position. Individuals are concerned about social comparisons....

We analyse the extent and evolution of informality and inequality in the Serbian labour market between 2002 and 2007, using data from the Living Standard Measurement Surveys (LSMS). Two surprising results emerge. First, the level of informal employment has risen significantly over the period,...