Replaced with revised version of paper Jan. 11, 2012

The estimation of large demand systems to investigate the patterns of consumption of households is notoriously difficult. This study develops a modified Almost Ideal Demand System model based on a flexible two-stage budgeting demand modelling framework to examine the effect of estimation...

Questionnaire surveys are an established economic research method for eliciting consumers' surplus values. However, the necessarily hypothetical nature of surveys may not promote truthful responses. In 17 empirical tests, actual money donations were elicited and compared to hypothetical...

This paper is based on an ongoing joint work with David Sahn and Xiaobo Zhang.

Coffee consumption in China is increasing rapidly over the recent years. This study offers one of the few initial attempts to not only understand general consumption behavior associated with Chinese coffee, but to explore the viability of niche markets for coffee with the credence attribute...

We analyze the correlation between farm productivity and market participation using comparable household data from Tanzania, Vietnam and Guatemala. Each farm’s input use and output levels provide a within-sample measure of relative productivity, which we relate to that household’s level of...

We compare the ability of three preference elicitation methods (hypothetical choices, non-hypothetical choices, and non-hypothetical rankings) and three discrete-choice econometric models (the multinomial logit, the independent availability logit, and the random parameter logit) to predict...

Paper presented at EAAE 2008 Congress

This paper explores the relevance of food origin to consumers when making product purchase decisions. We use data from a survey of pork shoppers at the point of sale of five food retailers in Germany. Participants engaged in both a hypothetical survey eliciting evaluations of the importance of...