Recent results for case-control sampling suggest when the covariate distribution is constrained by gene-environment independence, semiparametric estimation exploiting such independence yields a great deal of efficiency gain. We consider the efficient estimation of the treatment-biomarker...

The food habits and dietary patterns of American consumers are changing and they are increasingly demanding food products that possess certain attributes relating to how the food was produced or processed. The objectives of the study are to analyze household purchase of fresh tomatoes and to...

Taxing sugar-sweetened beverages (SSBs) has been proposed as a means to improve U.S. dietand health and generate revenue to address obesity-related issues. A related concern is thatchildren’s intake of SSBs, a third that of milk consumption in the late 1970s, now equals milkconsumption....

The study uses the 2005 Nielsen Homescan panel data to estimate price premiums and discounts associated with product attributes, market factors, and consumer characteristics, focusing on the organic attribute for 5 major fresh fruits and 5 major fresh vegetables in the United States. The results...

Taxing sugar-sweetened beverages has been proposed as a means to reduce calorie intake, improve diet and health, and generate revenue that governments can use to address the obesity-caused health and economic burden. Two beverage demand systems were estimated using beverage purchase data for...

The study uses the 2005 Nielsen Homescan panel data to estimate price premiums and discounts associated with product attributes, market factors, and consumer characteristics, focusing on the organic attribute for five major fresh fruits and five major fresh vegetables in the United States. The...

Throughout its history the North Pacific halibut fishery has experienced dramatic changes in season length—most recently a greater than tenfold decrease during the last fifteen years. This analysis estimates the effect on exvessel halibut demand of season length by incorporating it with...