Economists who estimate demand or supply systems are often faced with the issue of whether to estimate with shares or …

Inventory models need some specification of the distribution of demand in order to find the optimal order-up-to level … approach is to assume a distribution, estimate its parameters and replace the unknown demand parameters by these estimates in … true demand distribution is indeed the assumed one. This paper directs the cause of the underperformance and quantifies it …

Firms adjust to differences in market size and demand uncertainty by changing the frequency and size of their export … shipments. In our inventory model, transportation costs and optimal shipment frequency are determined on the basis of demand as …