This paper embeds an oligopolistic industry structure in a real options framework in which synergy gains of horizontal mergers arise endogenously and vary stochastically over time. We find that (i) mergers are more likely in more concentrated industries; (ii) mergers are more likely in...

"The economics workings of the corporate income tax remain controversial. Harberger's seminal 1962 article viewed the tax as raising the cost of capital used to produce corporate goods. But corporate goods can be and generally are made by non-corporate firms, suggesting that the corporate tax...