Taking psychology seriously: a self-determination theory perspective on Robert Sugden’s opportunity criterion

Originally published in Journal of Economic Methodology

Robert Sugden (2018. The Community of Advantage: A Behavioural Economist’s Defence of the Market. Oxford University Press) offers an alternative account for normative economics grounded in the view that it is in each individual’s interest to have more opportunity rather than less, irrespective of whether their decisions reveal well-ordered preferences. Our paper characterizes Sugden’s proposal as a step in the right direction, but as insufficient. His opportunity criterion does not go far enough in taking insights from psychology seriously. Sugden defends an idea of agency understood as a person’s subjective sense of being in control of her actions. To realize this sense of being in control, we argue that a focus on opportunity-only is problematic; people also need agentic capabilities. We use self-determination theory (SDT) to develop a subjective account of agency that is grounded in psychological science.

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