Household whole and low-fat milk consumption in Poland
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Milk products are a preeminent food category in Poland, providing both employment and dietary benefit. This thesis investigates factors affecting household milk consumption in Poland, paying attention to the effect of outmigration, an issue in Poland. We apply both the bivariate two-part model (B2P) and multivariate sample-selection model (MSSM) to the milk consumption data in Poland and choose the bivariate two-part model based on theoretical, practical, and statistical grounds. We estimate actual milk expenditure and explain the dependence of whole and low-fat milk consumption decisions using the B2P model.