We present results from a field experiment testing the gift-exchange hypothesis inside a tree-planting firm paying its workforce incentive contracts. Firm managers told a crew of tree planters they would receive a pay raise for one day as a result of a surplus not attributable to past planting...

The main objective of this paper is to determine whether specialization in resource intensive production had a positive impact on the performance of the aggregate Canadian economy over the 1970-2005 period. Specialization is simply measured as the proportion of aggregate employment, the...