Modeling a micro-structure of agglomeration economies, this article derives a second-best benefit evaluation formula for urban transportation improvements. Without explicitly modeling the sources of agglomeration economies, Venables (JTEP 2007) investigated the same problem. This article...

We analyse the effects of monetary policy on mergers and acquisitions (M&A) activity in the United States, both on the aggregate and the firm level. We find that aggregate M&A activity decreases significantly following a monetary policy shock. The aggregate results are confirmed by an analysis...