The word “narrative” is usually seen as being a posh way of saying “story”. But the idea of narratives is one which is gaining traction in economics. Last year, for example, Nobel laureate Robert Shiller of Yale published a book entitled “Narrative Economics”. He argued that it
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Last month, the official group of scientific advisers — SAGE — warned the government that only a quarter of those who need to self-isolate due to coronavirus symptoms were in fact doing so. This illustrates a concept which is of great practical importance: namely the conflict between
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Verification and validation. It is hard to imagine a more nerdy phrase. But it is, in essence, how science makes progress. It is what we have to do to check whether a scientific claim or theory is correct. And it has been seriously neglected during the Covid-19
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Scepticism about the advice given by government scientists about Covid-19 is rising sharply. In areas like Bolton infections are high. Interviews with the locals reveal that so, too, is disbelief in the veracity of the statements made by members of SAGE, the government science advisory group. The
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A great deal of government policy during the Covid crisis has involved regulation. Given a choice, economists usually prefer to use incentives. Altering the relative costs and benefits of an action is a well-established way to alter behaviour. Perhaps the government has been listening. A big stick
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King Canute has had a bad press. The monarch sat on the beach on his throne with the deliberate intention of demonstrating to his courtiers that he could not stop the waves from coming in. But in popular thinking, he is the deranged king who believed he
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Decisions, whether by individuals, companies or governments, are often made with imperfect and incomplete information. This is so obvious as to hardly seem worth stating. But for well over a century economic theory assumed that decisions were made with complete information. Economists knew full well that this
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Did Sweden get it right in its response to Covid? There is increasing interest in this question. Contrary to widespread belief, the Swedes did introduce a few legally enforceable restrictions on behaviour. For example, public gatherings of more than 50 people were forbidden in March. Private ones
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There seems to be a fundamental problem with quangos. Hardly a day seems to go by without some new story of incompetence and mismanagement emerging. Public Health England (PHE) is at least going to be put out of its misery by health secretary Matt Hancock, and replaced
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In an otherwise depressing week, two pieces of very good news emerged from India. In Mumbai, blood tests conducted by the city authorities on 6,936 randomly selected people found that some 40 per cent had coronavirus antibodies. Just 6,000 deaths have been reported so far in a
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