The Daily Omnivore

Behavioral economics is a smaller part of economics that combines what we know about psychology with what we know about economics. Normally, economics does not consider the way humans actually think, but instead, abstracts complex decision-making into comparatively simple mathematical models.

Normally, economists assume people are rational, meaning they make good decisions at the right times using all information. In reality, people are subject to problems with self-control, limitations of time and physical resources, and make different choices depending on how decisions are presented to them.

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Naïve diversification is a ‘choice heuristic,’ a mental shortcut used to simplify decisions, first demonstrated by professor of marketing Itamar Simonson in the context of consumption decisions by individuals. It was subsequently shown in the context of economic and financial decisions.

Simonson showed that when people have to make a simultaneous choice (e.g. choose now which of six snacks to consume in the next three weeks), they tend to seek more variety (e.g., pick more kinds of snacks) than when they make sequential choices (e.g., choose once a week which of six snacks to consume that week for three weeks).

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