Sometimes authorities are unable to identify rapidly the origin of a tainted product.In such cases, recalls or warnings often apply to all suppliers, even to those thathad not contributed to the contamination. Traceability enables more targetedrecalls by identifying more specically the product's...

Iowa egg producers recalled nearly 500 million eggs in August 2010. The typical effect of a recall is to cause a decline in the demand for the affected product, yielding a decrease in the price. In the case of August 2010 egg recall, the price of eggs increased in the following weeks. This essay...

Unlike regular cars, ex-fuel vehicles (FFVs) allow motorists to fuel on motor blends that contain between zero and one hundred percent of ethanol. This paper investigates how motorists arbitrage between hydrous ethanol and gasoline using aggregate fuel consumption data in Brazil. The ability of...

Concerns about beginning farmers in Canada derive from trends in data that show that the population of farmers and the number of young farmers are declining. This paper discusses and analyses issues regarding the constraints and opportunities beginning farmers in Canada face. The discussion...