Isaiah Smith Andrews
Born1986
NationalityAmerican
Academic career
InstitutionHarvard University
Massachusetts Institute of Technology
Harvard Society of Fellows
FieldEconometrics
Alma materYale University (BA) Massachusetts Institute of Technology (PhD)
Doctoral
advisor		Anna Mikusheva
Awards2020 MacArthur Fellow
2021 John Bates Clark Medal
Websitehttps://scholar.harvard.edu/iandrews/

Isaiah Andrews (born 1986) is an American economist who is a professor of economics at the Massachusetts Institute of Technology and a research associate of the National Bureau of Economic Research. He is also a co-editor of the American Economic Review.[1] In 2018, The Economist named him one of the 8 "best young economists of the decade."[2] He was named a MacArthur Fellow in 2020[3] and in 2021, the American Economic Association awarded him the John Bates Clark Medal.[4][5]

Education and early life

Andrews grew up in Brookline, Massachusetts, the son of Yale-educated economists Marcellus Andrews and Cheryl Smith.[6] He graduated from Yale University in 2009 with a degree in math and economics[1] and completed a doctorate in economics at the Massachusetts Institute of Technology in 2014, where his dissertation advisor was Anna Mikusheva.[7]

Career

Andrews was the Silverman (1968) Family Career Assistant Professor and an Associate Professor at the Massachusetts Institute of Technology from 2016 to 2018, when he joined the faculty at Harvard.[3] In 2023, he returned to MIT as a Professor.

After his MacArthur win, Andrews, who is Black and gay, commented, “I hope that my getting this grant will help to demonstrate and show that there is room for success from a wide variety of folks in the economics profession.”[8]

He was elected a fellow of the Econometric Society in 2020.[9]

Research

Much of Andrew's research is in the field of econometrics, and concerns instrumental variables. Instrumental variables are variables that affect one part of a co-determined system without affecting another part of the same system. For this type of estimation to be effective, an instrumental variable must satisfy the relevance condition, that is, it must affect one part of the system, and it must satisfy the exclusion restriction, that is, it must not affect the other part of the system. Andrews' research concerns situations in which either the relevance condition or the exclusion restriction hold only weakly. Together with Mikusheva, he has studied the properties of weak instruments in estimating dynamic stochastic general equilibrium models and other economic models that employ nonlinear Generalized Method of Moments statistics models. They have proposed methods to more accurately test hypotheses and construct confidence intervals under these statistical conditions. Together with Gentzkow and Shapiro, he has developed a measure of the potential bias in estimators due to violations of the exclusion restriction (sensitivity). Together with Kasy, he has developed a method to correct for publication bias in replication studies and meta-analyses.[1]

Selected works

  • Andrews, Isaiah, Matthew Gentzkow, and Jesse M. Shapiro. "Measuring the sensitivity of parameter estimates to estimation moments." The Quarterly Journal of Economics 132, no. 4 (2017): 1553–1592.
  • Andrews, Isaiah, and Maximilian Kasy. "Identification of and correction for publication bias." American Economic Review 109, no. 8 (2019): 2766–94.
  • Andrews, Isaiah, James H. Stock, and Liyang Sun. "Weak instruments in instrumental variables regression: Theory and practice." Annual Review of Economics 11 (2019): 727–753.
  • Andrews, Isaiah, and Anna Mikusheva. "Maximum likelihood inference in weakly identified dynamic stochastic general equilibrium models." Quantitative Economics 6, no. 1 (2015): 123–152.
  • Andrews, Isaiah. "Conditional linear combination tests for weakly identified models." Econometrica 84, no. 6 (2016): 2155–2182.

References

  1. 1 2 3 Mikusheva, Anna; Shapiro, Jesse M. (2022-02-01). "Isaiah Andrews, 2021 John Bates Clark Medalist". Journal of Economic Perspectives. 36 (1): 177–190. doi:10.1257/jep.36.1.177. hdl:1721.1/145191. ISSN 0895-3309.
  2. ↑ "Our pick of the decade's eight best young economists". The Economist. ISSN 0013-0613. Retrieved 2020-10-07.
  3. 1 2 "Isaiah Andrews - MacArthur Foundation". www.macfound.org. Retrieved 2020-10-07.
  4. ↑ "Isaiah Andrews, Clark Medalist 2021". www.aeaweb.org. Retrieved 2021-04-20.
  5. ↑ Mikusheva, Anna; Shapiro, Jesse M. (2022). "Isaiah Andrews, 2021 John Bates Clark Medalist". Journal of Economic Perspectives. 36 (1): 177–190. doi:10.1257/jep.36.1.177. hdl:1721.1/145191. ISSN 0895-3309.
  6. ↑ "MacArthur 'Genius' Andrews Lauded for 'Ridiculous Smarts,' 'Ridiculous Amount of Kindness' | News | The Harvard Crimson". www.thecrimson.com. Retrieved 2020-12-02.
  7. ↑ "Isaiah Andrews named 2020 MacArthur fellow". Harvard Gazette. 2020-10-06. Retrieved 2020-10-07.
  8. ↑ "3 LGBTQ trailblazers among 2020 MacArthur 'genius grant' winners". NBC News. Retrieved 2020-10-09.
  9. ↑ "The Econometric Society Announces its 2020 Fellows | The Econometric Society". www.econometricsociety.org. Retrieved 2021-04-12.
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