We investigate why people keep their promises in the absence of external enforcement mechanisms and reputational effects. In a controlled laboratory experiment we show that exogenous variation of second-order expectations (promisors' expectations about promisees' expectations that the promise...

We consider a model of a single defendant and N plaintiffs where the total cost of litigation is fixed on the part of the plaintiffs and shared among the members of a suing coalition. By settling and dropping out of the coalition, a plaintiff therefore creates a negative externality on the other...

Recent evidence from the field (Hossain and List, 2009) suggests that contracts framed in terms of a loss (a deduction is taken for failing to meet a threshold) lead to greater effort than contracts framed in terms of a gain (a bonus is given for meeting a threshold). We investigate two...

A party dissatisfied with the contractual performance of a counterparty is typically able to pursue a variety of legal recourses. Within this apparent variety are two fundamental alternatives. The aggrieved party may (i) 'affirm' the contract and seek money damages or specific performance, or...

We show that parties in bilateral trade can rely on the default common law breach remedy of ‘expectation damages’ to induce simultaneously ?rst-best relationship-speci?c investments of both the sel?sh and the cooperative kind. This can be achieved by writing a contract that speci?es...