In this article, we develop a two-factor model of commodity prices that allows meanreversion in short-term prices and uncertainty in the equilibrium level to which prices revert. Although these two factors are not directly observable, they may be estimated from spot and futures prices....

In this paper, we develop two models for the valuation of information technology (IT) investment projects using the real options approach. The IT investment projects discussed in this paper are categorized into development and acquisition projects, depending upon the time it takes to start...

The paper presents a model that determines when (at which output price level) it is optimum for a firm to invest in environmental technologies and which are the main parameters that affect this decision. Our analysis shows that firms require high output price levels to be induced to invest in...