Since the late 1970s, pharmaceutical R&D has grown at a rapid rate relative to sales and other variables. In this paper, we examine the determinants of pharmaceutical R&D using a pooled data sample of 11 major drug firms over the period 1974 to 1994. We find that expected returns and cash flows...

The typical discounted cash flow model used to value assets openly projects cash flows for an initial set of years and then typically assumes that the cash flows will grow at a constant rate into the indefinite future. In this paper, we discuss the implications for valuation and the discount...

The typical discounted cash flow model used to value assets openly projects cash flows for an initial set of years and then typically assumes that the cash flows will grow at a constant rate into the indefinite future. In this paper, we discuss the implications for valuation and the discount...