This paper presents a monthly econometric model of petroleum refining supply in the United States. The model is derived using a multiproduct restricted cost function with adjustment costs. The Euler equations are used to estimate the convenience yield from holding inventories. Short-run...

This paper estimates short- and long-run marginal production costs and returns to scale in electric power generation in the United States. We find substantial short-run diseconomies of scale at high output levels. A relatively large number of small and mid-sized firms have optimal capital stocks...