Increased demand for agricultural produce for food, fiber, feed, and energy generates a tradeoff between high prices and environmentally costly land conversion. Genetically engi- neered (GE) seeds can potentially increase supply without recruiting new lands to production. We develop a simple...

Policy-makers have relied on non-coercive mechanisms to achieve socially optimal outcomes in a variety of contexts when prices fail to ration scarce resources. Amid heightened concern about environmental damage and climate change, public appeals for cooperation and pecuniary incentives are...