During fiscal year 1997 the Ministry of Land, Infrastructure, and Transport of Japan introduced a system for evaluating road investment projects that considers reduction of road accidents as well as savings in time and running costs. However, the unit cost to calculate the benefit of reducing...

About 20 percent of the total production of tropical timber is traded internationally. But for Indonesia, Malaysia, Papua New Guinea, and some countries in West-Central Africa, tropical timber trade accounts for more than 50 percent of production. Although the tropical timber trade has often...

This study estimates the willingness-to-pay (WTP) for packaging with less material by using contingent valuation. We found that people who care about the environmental friendliness of a product, who have a positive perception of less packaging, and who live in a municipality implementing...

This study investigates potential demand for infrastructure investment for alternative fuel vehicles (AFVs) by using a stated preference survey of 1,531 Japanese citizens. The potential demand is estimated on the basis of how much people are willing to pay for AFVs under different refueling...