Is political unity a necessary condition for a successful monetary union? The early United States seems a leading example of this principle. But the view is misleadingly simple. I review the historical record and uncover signs that the United States did not achieve a stable monetary union, at...

This paper brings together two strands of the economic literature -- that on the finance-growth nexus and that on capital market integration -- and explores key issues surrounding each strand through both institutional/country histories and formal quantitative analysis. We begin with studies of...

Investment of U.S. firms responds asymmetrically to Tobin's Q: Investment of established firms -- `intensive' investment -- reacts negatively to Q whereas investment of new firms -- `extensive' investment -- responds positively and elastically to Q. This asymmetry, we argue, reflects a...

We analyze mergers over the past century in a growth model that emphasizes technological change. We explain the positive relation between mergers and stock prices, the positive relation between internal growth of firms and their acquisitions, and the positive relation of mergers with other...