Nobel economics prize goes to ‘natural experiments’ pioneers

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Economy10 minutes ago (Oct 11, 2021 07:12AM ET)

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(C) Reuters. Royal Swedish Academy of Sciences Secretary General Goran K. Hansson and members of the academy’s Economic Sciences Prize Committee 2021 Peter Fredriksson and Eva Moerk announce the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2021 as photographs of the winners David Card, Joshua Angrist and Guido Imbens are presented on a screen during a news conference at the academy, in Stockholm, Sweden, October 11, 2021. Claudio Bresciani/TT News Agency/via REUTERS ATTENTION EDITORS – THIS IMAGE WAS PROVIDED BY A THIRD PARTY. SWEDEN OUT. NO COMMERCIAL OR EDITORIAL SALES IN SWEDEN.

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By Niklas Pollard and Simon Johnson

STOCKHOLM (Reuters) -Economists David Card, Joshua Angrist and Guido Imbens won the 2021 Nobel economics prize on Monday for pioneering the use of “natural experiments” to understand the causal effects of economic policy and other events.

Natural experiments use real-life situations to work out impacts on the world, an approach that has spread to other fields and revolutionised empirical research.

One such experiment by Canada-born economist Card on a minimum wage increase in the U.S. state of New Jersey in the early 1990s prompted researchers to review their view that such increases should always lead to falls in employment.

“Natural experiments are everywhere,” Eva Mork, a member of the Prize Committee for the Alfred Nobel Memorial Prize in Economic sciences, told a news conference of the impact the method has had across all the social sciences.

Past Nobel Economics prizes have been dominated by U.S. institutes and this was no exception. Card currently works at the University of California, Berkeley; Angrist at Massachusetts Institute of Technology, Cambridge and Dutch-born Imbens at Stanford University.

“I was just absolutely stunned to get a telephone call, then I was just absolutely thrilled to hear the news,” Imbens said on a call with reporters in Stockholm, adding he was thrilled to share the prize with two of his good friends. Angrist was best man at his wedding.

The prize, formally known as the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel, is the last of this year’s crop of Nobels and sees the winners share a sum of 10 million Swedish crowns ($1.14 million).

Card took half the prize “for his empirical contributions to labour economics”, the academy said. Angrist and Imbens shared the other half “for their methodological contributions to the analysis of causal relationships”.

The prestigious prizes for achievements in science, literature and peace were created and funded in the will of Swedish dynamite inventor and wealthy businessman Alfred Nobel.

They have been awarded since 1901, though the economics prize – created through a donation from Sweden’s central bank on its 300th anniversary – is a later addition that was first handed out in 1969.

While the economics award has tended to live in the shadow of the often already famous winners of the prizes for peace and literature, laureates over the years include a number of hugely influential economists, such as the Austrian-British Friedrich August von Hayek and American Milton Friedman.

($1 = 8.7275 Swedish crowns)

Nobel economics prize goes to ‘natural experiments’ pioneers

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