There’s a chapter online from a forthcoming book, Economic Psychology edited by Robert Ranyard, called How Laypeople Understand Economics, by David Leiser and Zeev Krill. Although not entirely surprising, the chapter is very interesting. Those of us who are economists long ago internalised the subject’s distinctive way of thinking and understanding of how variables are related. Most people find economics difficult, even mysterious, however. There are some excellent demystifications, from John Lanchester’sto Tim Harford’s , and all the rest of the popular economics literature. But as this chapter points out, laypeople – including many politicians – will use one of three strategies for trying to make sense of economic discussions: use heuristics; use metaphors; fall back on teleological or causal explanations.
One example of a common heuristic is ‘good begets good’ – if there is a change in one variable perceived to be good, it is assumed it will cause good changes in other variables. On metaphors, the authors comment: “Understanding of financial marketsrelies onseven metaphors: the market as a bazaar, as a machine, as gambling, as sports, as war, as a living being and as an ocean. Crucially, each metaphor highlights and hides from view certain aspects of the foreign exchange market. Some of themetaphors imply market predictability, others do not. For instance, the sports and themachine metaphors were found to be associated with fixed rules and predictability, whereas the bazaar and war metaphors with unpredictability.”
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