This article examines the reducing and recycling effects caused by municipal solid waste policies, such as garbage pricing and recyclables collection. Equations for garbage and recyclables are estimated using Heckman’s two-step estimation and seemingly unrelated regression (SUR) to consider...

This study applied the Kuhn-Tucker model to Japanese recreational behavior in neighboring national parks. The results of the application show that local inhabitants attach importance to the satisfactory provision of facilities in each national park. Predictions are made regarding the changes in...