The paper aims at modelling adoption and diffusion decisions of farmers towards genetically modified crops under a real option framework. Modern GM crops help farmers to resolve two main sources of uncertainty: output uncertainty and input uncertainty. Those crops represent a revolutionary form...

Supporting value judgements about policies and programmes is a central task in evaluation. There is, however, little consensus on how evaluators are to accomplish this task.The traditional cost-benefit approaches were found wanting and yet valuation as promoted by checklists or qualitative...

In this paper we model concession contracts between a public and a private party, under dynamic uncertainty arising both from the volatility of the cash flow generated by the project and by the strategic behaviour of the two parties. Under these conditions we derive three notions of equilibrium...