Despite wide availability of publicly reported price and quantity movements of agricultural commodities, these data … underlying supply and demand curves. Such information, however, is needed to determine contemporaneous changes in consumer and … producer well-being. To address these issues, this paper derives supply and demand indices, links the indices to structural …

prices increase and consumer's surplus possibly decrease. We first derive the price and the consumer's surplus of a monopoly … entry increase in price may outweight the gains from extra variety and make consumers worse off. …

associated with the food price crisis of 2007. The total change in welfare is decomposed into five contributors. I find that … role in maintaining welfare levels after a price shocks, households substantially substituted out of goods that showed a … strong increase in their price. Though food price increases led to a significant welfare loss, part of it was compensated …