A growing number of hotels provide “green†lodging for travelers with strong environmental preferences. Twelve states have developed certification programs to regulate these claims. After describing the new market for green lodging, we use data on prices and amenities of...

Invasive species are one of the major threats to ecosystems. One of these "invaders", Eurasian watermilfoil, can crowd out important native aquatic plants, decrease habitat and diversity of native species in a lake, and interfere with water-based recreation. This study uses a hedonic...