This paper studies the effects of various audit regimes, differing in the degree of control and the presence of performance incentives, on behavior of care providers filing applications for providing long-term care services to patients. We present evidence from a large-scale field experiment in...

This paper presents new evidence on the distribution of risk attitudes in the population, using a novel set of survey questions and a representative sample of roughly 22,000 individuals living in Germany. Using a question that asks about willingness to take risks in general, on an 11-point...

We examine the effects of presentation and information on the take-up of financial subsidies for retirement saving in a large randomized experiment carried out with H&R Block. The subsidies raise take-up and contributions, with larger effects when the subsidy is characterized as a matching...

Is the way that people make risky choices, or tradeoffs over time, related to cognitive ability? This paper investigates whether there is a link between cognitive ability, risk aversion, and impatience, using a representative sample of the population and incentive compatible measures. We conduct...

Information asymmetries are important in theory but difficult to identify in practice. We estimate the presence and importance of adverse selection and moral hazard in a consumer credit market using a new field experiment methodology. We randomized 58,000 direct mail offers issued by a major...

Strengthening the relationship of accountability between health service providers and citizens is by many people viewed as critical for improving access to and quality of health care. How this is to be achieved, and whether it works, however, remain open questions. This paper presents a...

We study labor-market discrimination of individuals with specific characteristics in Italy. We conduct a field experiment in two Italian cities: Rome and Milan, by sending fake CVs to real ads. We find that there is a strong penalty for homosexuals, i.e. about 30% less chance to be called back...

We study how website defaults affect consumer behavior in the domain of charitable giving. In a field experiment that was conducted on a large platform for making charitable donations over the web, we exogenously vary the default options in two distinct choice dimensions. The first pertains to...

This paper analyzes the effects of a large randomized field experiment carried out with H&R Block, offering matching incentives for IRA contributions at the time of tax preparation. About 14,000 H&R Block clients, across 60 offices in predominantly low and middle-income neighbourhoods in St....

We present a new type of field experiment to investigate ethnic prejudice in the workplace. Our design allows us to study how potential discriminators respond to changes in the cost of discrimination. We find that ethnic discrimination is common but remarkably responsive to the "price of...