In this article, I explain the inadequacy of our current state of knowledge regarding the effectiveness of antitrust policy towards mergers. I then discuss the types of data that one must collect in order to be able to perform an analysis of the effectiveness of antitrust policy. There are two...

We analyze the effects of ownership of liberty bonds, which were marketed to households during World War I, on election outcomes in the 1920s. In order to address the endogeneity of liberty bond subscriptions, we utilize the local severity of the fall 1918 influenza epidemic, which disrupted the...

This paper examines the implications of tuition and need-based financial aid policies for family income - post-secondary (PS) attendance relationships. We first conduct a parallel empirical analysis of the effects of parental income on PS attendance for recent high school cohorts in both the...

Assessing the impact of lead exposure is difficult if individuals select on the basis of their characteristics into environments with different exposure levels. We address this issue with data from when the dangers of lead exposure were still largely unknown, using new evidence on intelligence...