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Motivated Reasoning, Information Avoidance, and Default Bias
We investigate whether the presence of a default interacts with the willingness of decision-makers to gather, process and consider information. In an online experiment, where about 2,300 participants choose between two compiled charity donation options worth $ 100, we vary the availability of information and the presence of a default. Information avoidance, when possible, increases default effects considerably, manifesting a hitherto undocumented channel of the default bias. Moreover, we show that defaults trigger motivated reasoning: In the presence of a default - even if self-selected-, participants consider new information to a lower degree than without a preselected option.
Higher Order Risk Preferences
We use a novel method to elicit and measure higher order risk preferences (prudence and temperance) in an experiment with 658 adolescents. In line with theoretical predictions, we find that higher order risk preferences particularly prudence are strongly related to adolescents' field behavior, including their financial decision making, eco-friendly behavior, and health status, including addictive behavior. Most importantly, we show that dropping prudence and temperance from the analysis of students' field behavior would yield largely misleading conclusions about the relation of risk aversion to these domains of field behavior. Thus our paper puts previous work that ignored higher order risk preferences into an encompassing perspective and clarifies which orders of risk preferences can help understand field behavior of adolescents.
Financial Literacy, Experimental Preference Measures and Field Behavior
We present the results of a randomized intervention to study how teaching financial literacy to 16-year old high-school students affects their behavior in risk and time preference tasks. Compared to two different control treatments, we find that teaching financial literacy makes subjects behave more patiently, more time-consistent, and more risk-averse. These effects persist for up to almost 5 years after our intervention. Behavior in the risk and time preference tasks is related to financial behavior outside the lab, in particular spending patterns. This shows that teaching financial literacy affects economic decision-making which in turn is important for field behavior.
Income Risk, Precautionary Saving, and Loss Aversion
This paper empirically examines the behavioral precautionary saving hypothesis that uncertainty about future income triggers an increase in saving because of loss aversion. Guided by the theoretical model of Koszegi and Rabin (2009), we first extend their theoretical analysis to also consider the internal margin, i.e., the strength, of loss aversion, and then empirically study the relation between income risk, experimentally elicited loss aversion, and precautionary savings. We do so using a sample of 640 individuals from the low-income population of Bogotá, characterized by limited financial education and subject to substantial income risk. In line with the theoretical predictions, we find...
Information Provision Over the Phone Saves Lives
Lack of information about COVID-19 and its spread may have contributed to excess mortality at the pandemic's onset. In April and May 2020, we implemented a randomized controlled trial with more than 3,000 households in 150 Bangladeshi villages. Our one-to-one information campaign via phone stressed the importance of social distancing and hygiene measures, and illustrated the consequences of an exponential spread of COVID-19. We find that information provision improves knowledge about COVID-19 and induces significant behavioral changes. Information provision also yields considerably better health outcomes, most importantly by reducing the number of reported deaths by about 50% in treated villages.
Addressing Validity and Generalizability Concerns in Field Experiments
In this paper, we systematically analyze the empirical importance of standard conditions for the validity and generalizability of field experiments: the internal and external overlap and unconfoundedness conditions. We experimentally varied the degree of overlap in disjoint sub-samples from a recruitment experiment with more than 3,000 public schools, mimicking small scale field experiments. This was achieved by using different techniques for treatment assignment. We applied standard methods, such as pure randomization, and the novel minMSE treatment assignment method. This new technique should achieve improved overlap by balancing covariate dependencies and variances instead of focusing on ...
Discrimination, Narratives and Family History
We measure the prevalence of discrimination between Jordanian host and Syrian refugee children attending school in Jordan. Using a simple sharing experiment, we find only little discrimination. Among the Jordanian children, however, we see that those who descended from Palestinian refugees do not discriminate at all, suggesting that a family history of refugee status can generate solidarity with new refugees. We also find that parents' narratives about the refugee crisis are correlated with the degree of discrimination, suggesting that discriminatory preferences are being transmitted through parental attitudes.
Nineteenth- and Twentieth-century Paintings
Robert Lehman (1891-1969), one of the foremost art collectors of his generation, embraced the work of both traditional and modern masters. This volume catalogues 130 nineteenth- and twentieth-century paintings that are now part of the Robert Lehman Collection at The Metropolitan Museum of Art. The majority of the works are by artists based in France, but there are also examples from the United States, Latin America, and India, reflecting Lehman's global interests. The catalogue opens with outstanding paintings by Ingres, Théodore Rousseau, and Corot, among other early nineteenth-century artists. They are joined by an exemplary selection of Impressionist and Post-Impressionist works by Degas...
Deliberate Ignorance
Psychologists, economists, historians, computer scientists, sociologists, philosophers, and legal scholars explore the conscious choice not to seek information. The history of intellectual thought abounds with claims that knowledge is valued and sought, yet individuals and groups often choose not to know. We call the conscious choice not to seek or use knowledge (or information) deliberate ignorance. When is this a virtue, when is it a vice, and what can be learned from formally modeling the underlying motives? On which normative grounds can it be judged? Which institutional interventions can promote or prevent it? In this book, psychologists, economists, historians, computer scientists, sociologists, philosophers, and legal scholars explore the scope of deliberate ignorance.
