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...

A single equation demand and a sourced differentiated Almost Ideal Demand System (AIDS) model are employed to investigate factors influencing the dairy import demand in China and competition among different exporters from 2002 to 2012. Results from both models are compared and own-price,...

This paper examines Chinese consumer preference for major animal products and assesses the potential impacts of a reduction in China's import tariff on its pork and poultry demand and net import. Our analysis suggests that China's demand for animal products will continue to grow as income...