This study develops and tests a measure of efficient corporate diversification (ECD) that compares the variability of a firm's revenues with the variability of a minimum-variance portfolio of businesses that maintain the same sales growth rate. According to ECD, which incorporates the exposure...

This study investigates the direct effects of corporate diversification on accounting reports, and the implications of these effects for accounting research. The study shows that firms which diversify into unrelated areas of business devote a larger proportion of their capital investments to...