We investigate the role of competition on the outcome of Austrian Treasury auctions. EU accession by Austria provides a natural experiment causing an exogenous increase in the number of bidders in Treasury Auctions. Difference-in-difference estimates suggest that the increased number in bidders...

We analyze the effect of workforce composition by birthplace on workers' wages. In our model, each worker's productivity may depend on whether co-workers are of the same or of a different birthplace. Wages depend both on the relative size of workers' groups as well as on the production structure...