Gustavsen, Geir; Rickertsen, Kyrre - In: Empirical Economics 46 (2014) 2, pp. 427-449
Age, period and cohort (APC) variables are included in a demand system that is used to estimate Norwegian purchases of nonalcoholic beverages. To take account of censoring, a two-step method is used. In the first step, the probabilities of purchasing milk, carbonated soft drinks and other soft...