Recent outbreaks of food-borne illness related to fruit and vegetables have led to increased concerns about the safety of produce. In response, the industry has adopted marketing agreements to ensure consistency of product safety. Contracts now are widely used between processors and growers to...

When using household-level data in examining consumer's demand it is common to find that consumers purchase only a subset of the available goods, setting the demand for the remaining goods to zero. Ignoring such censoring of the dependent variables in the estimation can lead to biased parameter...

Problems of overweight and obesity among children have increased in China and pose a problem both for individuals as well as for public social and health care systems. This study explores factors contributing to weight problems among children age 6 to 18 years old in urban China. Data come from...