Governments are increasingly adopting behavioral science techniques for changing individual behavior in pursuit of policy objectives. The types of “nudge” interventions that governments are now adopting alter people's decisions without resorting to coercion or significant changes to economic...

Motor vehicle fuel-economy standards have long been a cornerstone of U.S. policy to reduce fuel consumption in the light-duty vehicle fleet. In 2011 and 2012 these standards were significantly expanded in an effort to achieve steep reductions in oil demand and greenhouse gas emissions through...

Disclosure mandates are pervasive. Though designed to inform consumers, such mandates may lead consumers to draw false inferences – for example, that a product is harmful when it is not. When deciding to require disclosure of an ingredient in or characteristic of a product, regulators may be...

How do human beings make decisions when, as the evidence indicates, the assumptions of the Bayesian rationality approach in economics do not hold? Do human beings optimize, or can they? Several decades of research have shown that people possess a toolkit of heuristics to make decisions under...

There has been a great deal of discussion of the welfare effects of digital goods, including social media. The discussion bears on both private practice and potential regulation. A pilot experiment, designed to monetize the benefits of Facebook use, found a massive disparity between willingness...

Should there be a right not to be manipulated? What kind of right? On Kantian grounds, manipulation, lies, and paternalistic coercion are moral wrongs, and for similar reasons; they deprive people of agency, insult their dignity, and fail to respect personal autonomy. On welfarist grounds,...

Informational and reputational cascades often arise in the presence of four factors: (1) preference falsification; (2) diverse thresholds; (3) social interactions; and (4) group polarization. In the context of animal welfare, cascades have often occurred, and more consequential ones are...

As intuitive statisticians, human beings suffer from identifiable biases, cognitive and otherwise. Human beings can also be “noisy,” in the sense that their judgments show unwanted variability. As a result, public institutions, including those that consist of administrative prosecutors and...

Why do false rumors spread? Why do otherwise sensible people believe them? Why are they sometimes impervious to correction? There are several answers. (a) Some false rumors gain traction because of their fit with prior convictions within particular groups and cultures. People are strongly...

When members of deliberating groups speak with one another, their predeliberation tendencies often become exacerbated as their views become more extreme. The resulting phenomenon-group polarization-has been observed in many settings, and it bears on the actions of juries, administrative...