We compare the ability of two common compensation structures, efficiency wages (EW) and deferred compensation (DC), at inducing effort from workers. We test predictions on effort provision and elicit preferences between the two wage structures. The theoretical predictions on effort are generally...

Although the theory of optimal contracts and the principal agent model are now well established in the literature, empirical support for this theory has been mixed at best. We use economic experiments to test contract theory and assess the empirical relevance of two possible confounding factors...