Data from a field experiment are used to estimate the gain in productivity that is realized when workers are paid piece rates rather than fixed wages. The experiment was conducted within a tree-planting firm and provides daily observations on individual worker productivity under both copensation...

This paper presents an analysis of the relationship between innovation, productivity and exports regarding the SMEs. The main research aim of this study consists in analyzing the hypothesis of firms’ conscious self-selection in the export markets. To measure innovation, we consider the...