We study optimal replacement and abandonment decisions for real assets, when both revenues and costs are uncertain and deteriorate with age. We develop an implicit representation of the renewal boundary as the solution to a set of simultaneous equations. This quasi-analytical method has the...

We formulate a multi-factor real option duopoly game model to determine the optimal times to divest the incumbent technology or to switch to a new smaller-scale and lower operating cost technology, with an uncertain output price, and declining output. The formulation takes two alternative forms:...