smart grid. Regulation of network companies' activities should consider both cost efficiency objectives and other objectives …

We address the issue of the allocation of railway track maintenance (wear-and-tear) costs to traffic output classes and …, which gives a hint that derived marginal costs are short term; also, the relation between maintenance costs and traffic is …

, previous results indicate that demand variability causes a performance degradation in terms of inventory related costs when … to an augmentation of optimal base-stock levels and to a corresponding increase in optimal inventory related costs. We …

effects across countries subjected to some set of PSRO and to compute estimates of the compliance costs associated with rules …

We compare the performance of various hedging strategies for index collateralized debt obligation (CDO) tranches across … a variety of models and hedging methods during the recent credit crisis. Our empirical analysis shows evidence for …-dimensional bottom-up models perform better than simpler top-down models. When it comes to hedging, top-down and regression-based hedging …