An important difference between both manufacturing and wholesaling vs. retail is the information available concerning inventory. Typically, far less information characterizes retail. Here, an extreme environment of information shortfall is examined. The environment is technically termed...

We study the problem of defining the product-variety portfolio of a firm in a competitive environment. Large portfolios have become prevalent in many industries supported by competitive pressures and the expectations of increasing revenues due to a wider offer. Such practice, however, is often...