Modeling Consumption with Limited Dependent Variables: Applications to Pork and Cheese. Dietary Assessment Research Series Report 3
利用1987-88年全国食品消费调查数据，将双障碍模型和购买频率模型应用于猪肉和奶酪消费，发现自身价格对消费概率和水平有显著负影响，而收入和交叉价格效应不显著。
The double-hurdle and infrequency-of-purchase models are applied to pork and cheese consumption using the 1987-88 Nationwide Food Consumption Survey data. Own-price effects on the probability and level of consumption are negative and significant for both pork and cheese, while income and cross-price effects are not significant.