Oliver Hart and Bengt Holmström were awarded the 2016 Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel for their fundamental contributions to contract theory. This article offers a short summary and discussion of their path breaking work.

We test whether and, if so, how incentives to promote pro-social behavior affect the extent to which it spills over to subsequent charitable giving. To do so, we conduct a two-period artefactual field experiment to study repeated donation decisions of more than 700 participants. We vary how...

This paper explores the optimal provision of dynamic incentives for employees with reciprocal preferences. Building on the presumption that a relational contract can establish a norm of reciprocity, I show that generous upfront wages that activate an employee’s reciprocal preferences are more...

We analyze how agents' present bias affects optimal contracting in an infinite-horizon employment setting. The principal maximizes profits by offering a menu of contracts to naive agents: a virtual contract - which agents plan to choose in the future - and a real contract which they end up...

In this paper, we study the complementarity between business training and access to financial capital for small and medium enterprises (SMEs) in Kenya. All participants in a business training program are offered training. One-third of participants are offered loans immediately after training...

We use a randomised controlled trial (RCT) to analyse the impact of microcredit on poverty reduction in Bosnia and Herzegovina. The study population are loan appli-cants that would normally have just been rejected based on regular screening. We find that access to credit allowed borrowers to...

Crowdfunding provides innovation in enabling entrepreneurs to contract with consumers before investment. Under aggregate demand uncertainty, this improves screening for valuable projects. Entrepreneurial moral hazard and private cost information threatens this benefit. Crowdfunding’s...

We study contracting between a consumer and an expert. The expert can invest in diagnosis to obtain a noisy signal about whether a low-cost service is sufficient or whether a high-cost treatment is required to solve the consumerś problem. This involves moral hazard because diagnosis effort and...