Untreated wastewater being directly discharged into rivers is a very harmful environmental hazard that needs to be tackled urgently in many countries. In order to safeguard the river ecosystem and reduce water pollution, it is important to have an effluent charge policy that promotes the...

Untreated wastewater being directly discharged into rivers is a very harmful environmental hazard that needs to be tackled urgently in many countries. In order to safeguard the river ecosystem and reduce water pollution, it is important to have an effluent charge policy that promotes the...

We focus on the coordination failure among domestic firms in the investment of expensive low-carbon technology, which helps reduce the amount of carbon usage and pollution. In this model the firms are charged with a carbon tax only if the total stock of carbon emission in the environment exceeds...

This paper extends the currency crisis model of Morris and Shin to the case where players not only hold heterogenous beliefs but also differ in a characteristic feature such as individual transaction costs. It shows that there is a unique aggregate cut off point where the government abandons the...

Why does the government not defect from the constitution? This article focuses on the dynamic restraints the government faces under the rule of law: violations against unconstitutional laws are not punished under the constitution. If a violating government cannot commit itself never to reinstall...