This paper develops a rule for calculating a discount rate to value risky projects. The rule assumes that asset risk can be measured by a single index (e.g., beta), but makes no other assumptions about specific forms of the asset pricing model. It treats all projects as combinations of two...

This paper investigates the impact of tax asymmetries (the lack of full loss offsets) under current corporate income tax law and a stylized tax reform proposal. The government's tax claim on the firm's pretax cash flows is modelled as a series of path-dependent call options and valued by option...

This paper explores the effects of tax asymmetries on the value of risky capital investments made by corporations.The government's claim on the firm is shown to be equivalent to a portfolio of options on the firm's revenues. The tax law's provisions for carrying tax losses forward and backward...

This paper considers a firm that must issue common stock to raise cash to undertake a valuable investment opportunity. Management is assumed to know more about the firm's value than potential investors. Investors interpret the firm's actions rationally. An equilibrium model of the issue-invest...

This paper describes corporate investment and financing decisions when managers have inside information about the value of the firm's existing investment and growth opportunities, but cannot convey that information to investors. Capital markets are otherwise perfect and efficient. In these...

Among the interesting changes in the U.S. economy in recent years have been the substantial changes in the age distribution of income and its components. These changes are interesting in and of themselves, but also are an important background against which to interpret aggregate economic...

Financial Puzzles written by Stewart Myers of MIT will be published over the next several issues of JAF. These are offered to stimulate discussion and thought around several topics in finance. The proposed solutions to the puzzles will be published in the following issue of JAF, as well as in...

This paper considers a firm that must issue common stock to raise cash to undertake a valuable investment opportunity. Management is assumed to know more about the firm's value than potential investors. Investors interpret the firm's actions rationally. An equilibrium model of the issue-invest...

Real options are valuable sources of flexibility that are either inherent in, or can be built into, corporate assets. The value of such options are generally not captured by the standard discounted cash flow (DCF) approach, but can be estimated using a variant of financial option pricing...

In these extracts from the world's bestselling graduate textbook, the authors offer a number of suggestions for practitioners, including: - When valuing a company or an investment project, managers should start whenever possible with the asset's market price as the best initial estimate and then...