Narrow and wide replication of Chalfin and McCrary (REStat, 2018)

IF 2.3 3区 经济学 Q2 ECONOMICS
Federico Crudu, Advait Moharir
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引用次数: 0

Abstract

We undertake a narrow and wide replication of "Are US Cities Underpoliced? Theory and Evidence" by Chalfin and McCrary. Using data from medium to large cities in the United States from 1960 to 2010, the authors estimate the effect of police on crime. To correct for the presence of measurement error, they propose to combine the information from two proxies of the police variable within the generalized method of moments framework. Throughout our replication exercise, we find that, in general, the original results are robust to computation in R compared to STATA and to the inclusion of more recent data (until 2019).

Chalfin 和 McCrary 的狭义和广义复制(REStat,2018 年)
我们对 Chalfin 和 McCrary 所著的《美国城市警力不足吗?理论与证据》。作者利用 1960 年至 2010 年美国大中型城市的数据,估算了警察对犯罪的影响。为了纠正存在的测量误差,他们建议在广义矩法框架内将警察变量的两个替代变量的信息结合起来。在整个复制过程中,我们发现,总体而言,与 STATA 相比,在 R 语言中进行计算以及纳入更多最新数据(至 2019 年)时,原始结果是稳健的。
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来源期刊
CiteScore
3.70
自引率
4.80%
发文量
63
期刊介绍: The Journal of Applied Econometrics is an international journal published bi-monthly, plus 1 additional issue (total 7 issues). It aims to publish articles of high quality dealing with the application of existing as well as new econometric techniques to a wide variety of problems in economics and related subjects, covering topics in measurement, estimation, testing, forecasting, and policy analysis. The emphasis is on the careful and rigorous application of econometric techniques and the appropriate interpretation of the results. The economic content of the articles is stressed. A special feature of the Journal is its emphasis on the replicability of results by other researchers. To achieve this aim, authors are expected to make available a complete set of the data used as well as any specialised computer programs employed through a readily accessible medium, preferably in a machine-readable form. The use of microcomputers in applied research and transferability of data is emphasised. The Journal also features occasional sections of short papers re-evaluating previously published papers. The intention of the Journal of Applied Econometrics is to provide an outlet for innovative, quantitative research in economics which cuts across areas of specialisation, involves transferable techniques, and is easily replicable by other researchers. Contributions that introduce statistical methods that are applicable to a variety of economic problems are actively encouraged. The Journal also aims to publish review and survey articles that make recent developments in the field of theoretical and applied econometrics more readily accessible to applied economists in general.
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