The issue of identification of the parameter α0 in the price index of the Almost Ideal Demand System (AIDS) is examined. In nearly all empirical studies, the model’s likelihood function has been extremely flat in α0, and this parameter has not been able to be estimated. Assumed values are...

Estimates of a conditional demand system for twelve beverages, based on the Rotterdam model subject to a full, first-order autoregressive process, are discussed. Impacts of beverage prices, total beverage expenditures and promotions on beverage quantities demanded are provided. The results...

GJ exports account for a major part of Florida as well as U.S. GJ sales, accounting for 41.5% and 36.9% of total Florida GJ sales in 2008-09 and 2009-10. The largest export market in many of the recent years has been the EU. The EU imposes a 12% ad valorem tariff on GJ imports, resulting in a...