We analyze several hundred firms that expand via acquisition and/or increase their number of business segments. The combined market reaction to acquisition announcements is positive but acquiring firm excess values decline after the diversifying event. Much of the excess value reduction occurs...

We analyze several hundred firms that expand via acquisition and/or increase their reported number of business segments. The average combined market reaction to acquisition announcements is positive but, according to the Berger and Ofek (1995) method for valuing conglomerates, the excess values...

Taxes play an important but underemphasized role in the valuation of a company and its projects. For example, the authors estimate that the expected tax benefits from interest deductions by all publicly traded U.S. corporations were responsible for almost $1.4 trillion of their total market...

We provide evidence that corporate tax status is endogenous to financing decisions, which induces a spurious relation between measures of financial policy and many commonly used tax proxies. Using a forward-looking estimate of "before-financing" corporate marginal tax rates, we document a...

We provide evidence that corporate tax status is endogenous to the financing decision, which induces a spurious relation between measures of financial policy and many commonly used tax variables. Specifically, both interest expense and lease payments are tax deductible. Thus, a firm that...