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Cognitive Biases Afflict Government “Nudgers” Too

Cognitive Biases Afflict Government “Nudgers” Too

Market-based decisions may not always be entirely rational, but there is almost no incentive for governmental decisions to be rational, either.

Economist Richard Thaler recently won the 2017 Nobel Prize in economics for his important work documenting widespread cognitive errors in human decision-making. All too often, people fail to act as rationally as conventional economic models assume, and at least some of those errors are systematic in nature. Such errors can lead to mistakes that greatly diminish our health, happiness, and welfare.

Thaler and many other behavioral economics scholars argue that government should intervene to protect people against their cognitive biases, by various forms of paternalistic policies. In the best-case scenario, government regulators can  “nudge” us into correcting our cognitive errors, thereby enhancing our welfare without significantly curtailing freedom.

Irrational Nudgers

But can we trust government to be less prone to cognitive error than the private-sector consumers whose mistakes we want to correct? If not, paternalistic policies might just replace one form of cognitive bias with another, perhaps even worse one. Unfortunately, a recent study suggests that politicians are prone to severe cognitive biases too – especially when they consider ideologically charged issues. Danish scholars Caspar Dahlmann and Niels Bjorn Petersen summarize their findings from a study of Danish politicians:

We conducted a survey of 954 Danish local politicians. In Denmark, local politicians make decisions over crucial services such as schools, day care, elder care and various social and health services. Depending on their ideological beliefs, some politicians think that public provision of these services is better than private provision. Others think just the opposite. We wanted to see how these beliefs affected the ways in which politicians interpreted evidence….

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