A methodology is proposed to estimate structural models of product line competition. This methodology enables researchers to estimate demand systems accounting for the endogeneity of the mix of products available in each market, an issue which is typically ignored in the empirical literature. In...

Eco-labels, certifications, and seals of approval serve a variety of functions, including communicating to businesses and consumers the environmental attributes of a particular product or the dangers that product may pose. Eco-labels have the potential to improve environmental outcomes in a...