The environment and economics -- Normative and positive economic analysis -- Social choice : how much environmental protection? -- Efficiency and markets -- Market failure : public goods, public bads, and externalities -- Making decisions about environmental programs -- Demand for environmental...

"This paper develops a simple model of a polluting industry and an innovating firm. The polluting industry is faced with regulation and costly abatement. Regulation may be taxes or marketable permits. The innovating firm invests in R&D and develops technologies which reduce the cost of pollution...