In this paper we introduce a new approach to estimating a differentiated product demand system that allows for error in … demand estimation techniques. Although we find that error in market shares generally undermine the standard point … identification of discrete choice models of demand, we exploit shape restrictions on demand implied by discrete choice to generate a …

In this paper, we introduce a new approach to estimating differentiated product demand systems that allows for products … with zero sales in the data. Zeroes in demand are a common problem in differentiated product markets, but fall outside the … scope of existing demand estimation techniques. We show that with a lower bound imposed on the expected sales quantities, we …

In many countries the demand for health care services is of increasing importance. Especially in the industrialized … those demand functions will therefore become invaluable tools. This article proposes a prediction method for the … for future predictions, scenarios and policy evaluation. -- predicting health care demand ; visits to the doctor ; health …