Crop diseases and how they are managed can have a large impact on agricultural productivity. This paper discusses the effects on agricultural productivity of Verticillium dahliae, a soil borne fungus that is introduced to the soil via infested spinach seeds and that causes subsequent lettuce...

We analyze the rate of return (ROR) and risk factors faced by Shell Exploration, an international oil company (IOC), in its Soroosh and Nowrooz buy-back service contract in Iran. In particular, based on our models of cash flow, we analyze the buy-back contract specific risk factors that can...

For policymakers, an important long-run question related to the development of renewable industries is how government policies affect decisions regarding the scrapping or upgrading of existing assets. This paper develops a dynamic structural econometric model of wind turbine owners' decisions...

We critically review the Environmental Protection Agency's (EPA) assessment of the costs and benefits of the Renewable Fuel Standard (RFS2) as summarized in its regulatory impact analysis (RIA). We focus particularly on EPA's methods used to calculate the costs of the policy on the US fuel...

This paper estimates a dynamic model of the world oil market and tests whether OPEC countries colluded and whether non-OPEC countries behaved oligopolistically over the period 1970-2004. Results of the analysis by decade support OPEC countries colluding as the dominant cartel producer and...