As the title says, I would like to know what methods are most often used in empirical economics. For example, are IVs used more than DiD?

I would prefer to see some survey of different methods that would show how many papers used it, or If there is no ranking even a list of most used method would be fine.

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    $\begingroup$ I would say that the market share of OLS is still about 50%, but it is a subjective estimate based on my readings. $\endgroup$
    – Bertrand
    Jan 19, 2022 at 10:15
  • $\begingroup$ I think this question is too broad to be useful. Different branches of economics use different models. I wonder if aggregating over the different branches makes much sense. Though it may depends on your intentions. $\endgroup$ Jan 19, 2022 at 17:04
  • $\begingroup$ @RichardHardy I am just interested to know what models people use, I don't need it for some project $\endgroup$
    – csilvia
    Jan 20, 2022 at 13:52

2 Answers 2


Regression discontinuity, IV, diff-in-diff, fixed effects, synthetic control, and MLE, and GMM are the major methods.

Fixed Effects example - Zou (2021)

Fixed Effects and IV example - Benzell and Cooke (2021)

Diff-in-diff example - Gu, Jiang, Zhang, and Zou (2021)

Regression discontinuity (fuzzy also) - Ost, Pan and Webber (2018)

Regression Kink discontinuity - Bana, Dedard, and Rossin-Slater (2020)

MLE example - Farber (2008)

Synthetic control - Andersson (2019)

GMM has a lot of applications, one example is production functions - Ackerberg, Caves, and Frazer (2015)

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    $\begingroup$ Perhaps MLE and GMM are better understood an estmation frameworks rather than as methods. $\endgroup$ Jan 19, 2022 at 13:36

according to me that would be the Spatial econometrics model Why?
The spatial model uses information gathered from different data sets to create models for use in business. The data either results in dependent data pieces or correlated data taken from a larger population of information. Therefore other models are under this one

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    Jan 20, 2022 at 10:44

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