The production of ethanol and sugar from sugar cane has sharply increased for the last 20 years. If there are overall incentives to substitute the consumption of fossil fuels by biofuels, the increase of production and the expansion of new cultivated areas of sugar cane have eventually an impact...

Private sugar processors in Andhra Pradesh, India use an unusual form of vertical coordination. They issue 'permits' to selected cane growers a few weeks before harvest. These permits specify the amount of cane to be delivered during a narrow time period. This article investigates why processors...