This paper applies the likelihood dominance criterion (LDC), a new method of model selection developed by Pollak and Wales (1991), to four popular demand equation systems, using a set of seasonally adjusted quarterly Canadian data series. the results indicate that the almost ideal demand system...

To identify the winners and the losers from the General Agreement on Tariffs and Trade (GATT) in agriculture, it is necessary to know which countries will be required to reduce which subsidies by what amounts. Rules that seem fair may actually impose very different future obligations on the...

Empirical analysis, based on a general dynamic Almost Ideal Demand System, shows the commonly used autoregressive and partial adjustment processes are restrictive to meat demand data. This study derives a linear specification in levels form to investigate dynamics in a general framework. Merging...