Firms are more productive on average in larger cities. Two main explanations have been offered: firm selection (larger cities toughen competition, allowing only the most productive to survive) and agglomeration economies (larger cities promote interactions that increase productivity), possibly...

Using panel data for nearly all service providers in a single industry sector, we examine productivity responses to changes in competition in the United States. The sector offers workplace employee representation through trade union branches which compete with one another for union members whose...

We evaluate the effect of a pro-competition reform gradually introduced in France over the 2004-2008 period on hospital quality measured with the mortality of heart-attack patients. Our analysis distinguishes between hospitals depending on their status: public (university or non-teaching),...

We present theoretical and empirical evidence challenging results from early studies that found unions were detrimental to workplace innovation. Under our theoretical model, which extends the Cournot duopoly innovation model, local union wage bargaining is more conducive to innovation -...