Discrete choice models estimated using hypothetical choices made in a survey setting (i.e., choice experiments) are widely used to estimate the importance of product attributes in order to make product design and marketing mix decisions. Choice experiments allow the researcher to estimate...

Natural gas ranks second only to crude oil as a primary source of energy in North America, During recent years, gas has satisfied 25 percent of all energy requirements in the United States. Most of this gas has been produced domestically, but 5 to 10 percent has been supplied by pipeline imports...