waste generation, and in which firms use primary and recycled inputs to produce output that has two `attributes': packaging … producers to reduce packaging and to design products that can more easily be recycled. But if local governments are constrained … attributes can still be achieved by a tax on producers' use of packaging and subsidy to producers' use of recyclable designs …

By reducing the costs of environmental protection, technological change is important for promoting green growth. This … a discussion of sources of environmental innovation. Given that most innovation is concentrated in a few rich countries … transfer. Because of the importance of market failures, I then discuss the role of both technology policy and environmental …

Regulation of goods associated with negative environmental externalities may decrease consumption of the targeted … with a small tax on all disposable bags generated large decreases in disposable bag use and overall environmental costs …

We view sustainability as a requirement that welfare should not be expected to decline over time. We impose this …

maximizes welfare. This raises a question: Given its cost, should sustainability be a social objective? …

sustainability. Disclosure of nontraditional debt would imply significant welfare gains for the recipient countries but would reduce … its sustainability. We discuss the implications of nontraditional lending on standard assumptions of sovereign debt models …

was certified in March 2017 for fiscal years 2017-18 to 2026-27. Second, we perform a Debt Sustainability Analysis (DSA … that the island's current debt position is unsustainable, and compute the necessary debt relief to restore sustainability …