We study a seller that starts with an initial inventory of goods, has a target horizon over which to sell the goods, and is subject to a set of financial <i>milestone</i> constraints on the revenues and sales that need to be achieved at different time points along the sales horizon. We characterize the...

The fields of statistics and econometrics have developed powerful methods for testing the validity (specification) of a model based on its fit to underlying data. Unlike statisticians, managers are typically more interested in the performance of a decision rather than the statistical validity of...

Managing shipping vessel profitability is a central problem in marine transportation. We consider two commonly used types of vessels--"liners" (ships whose routes are fixed in advance) and "trampers" (ships for which future route components are selected based on available shipping jobs)--and...