Yesterday Noah Smith discussed whether economists’ ideas and arguments have much of an influence on policy and practice. He used an edited version of a famous quote from Keynes as his jumping off point. He then considered whether we can credibly claim that any living economist has significant influence over the path of public affairs. He mentions Paul Krugman, Robert Barro, Martin Feldstein and Greg Mankiw. These are high profile economists who are leading candidates for influence. If they aren’t influential then perhaps no economist is.
Smith differentiates influence on public opinion from influence on elites. He notes that the general public is quite frequently strongly opposed to ideas that have a strong hold within the economics community – such as free trade being a good idea or rent control being a bad idea.
Smith concludes that while there might be some dead economists whose ideas still hold sway – Friedman’s libertarianism being the prime example – whichever way you slice it living economists aren’t demonstrably influential. They are not, in Smith’s assessment, anywhere near as influential as “writers”. [Read more...]