A panel data Tobit model is developed to examine the household purchase process for a frequently purchased commodity. The proposed model accounts not only for censoring or sample selectivity, but also the temporal dependence of the purchasing process using household panel data. The flexible...

By endogenizing unit value and coupon redemption, we estimate U.S. household cheese purchase, quality choice, and coupon redemption equations simultaneously. Zero purchases and missing values are taken into account in the model to correct for the selectivity bias. The correlations among the...

While per capita fluid milk consumption has been declining for decades in the United States, generic fluid milk marketing activities sponsored by fluid milk processors and dairy farmers have helped mitigate some of this decline. We estimate that these marketing efforts have had a positive and...

Kuhn-Tucker approach and its dual have been proposed to the demand system estimation when there are non-negativity bindings. However, empirical researchers have been struggling two decades in applying this method into practice due to: (1) the difficulty in derivation of a coherent econometric...

In this study, we develop and estimate a censored LA/AIDS model using household-level purchase data. In addition to imposing non-negativitity constraints, we account for the endogeneity of unit value. We address the non-negativity issue using an Amemiya-Tobin approach, which imposes the...

In this paper, a two-equation sample selection model is used to estimate a household demand function for salmon incorporating domestic generic advertising. The twoequation estimation procedure, based on purchase and unit value equations, allows us to handle heavily censored panel data for salmon...

In this study, we examine the distributional effects of research versus consumer promotion. A few years ago, a notable article by Wohlgenant (AlAE 75, 1993) investigated this issue and concluded that producers would benefit more from research on farm-level production than from research on...