“…Also, practitioners can simply search for newspaper pages containing the names of any sub-county areas for which they need to collect data. We provide an example using 960 sub-county areas (hereinafter towns) in North Carolina from Berkes, Karger, and Nencka (2023). Using newly scraped data for all pages from North Carolina newspapers that mention “boll weevil” and each town’s name, we compute the following town-level measure,…”
Section: Discussion Of Practical Issues and Further Applicationsmentioning
confidence: 99%
“…Most online archives report the city, town, or place of publication. The data can then be combined with newly available crosswalks to sub-county locations for every individual in the census and consistently defined place names that are provided by the Census Place Project (Berkes, Karger, and Nencka 2023). Also, practitioners can simply search for newspaper pages containing the names of any sub-county areas for which they need to collect data.…”
Section: Potential Gains Future Applications and Drawbacksmentioning
This paper shows how to remove attenuation bias in regression analyses due to measurement error in historical data for a given variable of interest by using a secondary measure that can be easily generated from digitized newspapers. We provide three methods for using this secondary variable to deal with non-classical measurement error in a binary treatment: set identification, bias reduction via sample restriction, and a parametric bias correction. We demonstrate the usefulness of our methods by replicating four recent economic history papers. Relative to the initial analyses, our results yield markedly larger coefficient estimates.
“…Also, practitioners can simply search for newspaper pages containing the names of any sub-county areas for which they need to collect data. We provide an example using 960 sub-county areas (hereinafter towns) in North Carolina from Berkes, Karger, and Nencka (2023). Using newly scraped data for all pages from North Carolina newspapers that mention “boll weevil” and each town’s name, we compute the following town-level measure,…”
Section: Discussion Of Practical Issues and Further Applicationsmentioning
confidence: 99%
“…Most online archives report the city, town, or place of publication. The data can then be combined with newly available crosswalks to sub-county locations for every individual in the census and consistently defined place names that are provided by the Census Place Project (Berkes, Karger, and Nencka 2023). Also, practitioners can simply search for newspaper pages containing the names of any sub-county areas for which they need to collect data.…”
Section: Potential Gains Future Applications and Drawbacksmentioning
This paper shows how to remove attenuation bias in regression analyses due to measurement error in historical data for a given variable of interest by using a secondary measure that can be easily generated from digitized newspapers. We provide three methods for using this secondary variable to deal with non-classical measurement error in a binary treatment: set identification, bias reduction via sample restriction, and a parametric bias correction. We demonstrate the usefulness of our methods by replicating four recent economic history papers. Relative to the initial analyses, our results yield markedly larger coefficient estimates.
“…The paper uses full-count census data for California in 1870 and 1880, with most analyses conducted at the township level. Townships were sub-county designations approximately commensurate with Minor Civil Divisions; they are the smallest geographic aggregation in the 1870 data (Berkes, Karger, and Nencka 2023).…”
Section: Ghettoized In Gold Mountain? Chinese Immigrant Segregation I...mentioning
“…We locate Norwegian immigrants in the US using data from the Census Place Project (Berkes et al, 2023). Information on Norwegians municipality of residence in Norway is obtained from the Norwegian Census.…”
Section: B2 Norwegian Immigration To the Us B21 Linked Sample Over 18...mentioning
confidence: 99%
“…We also exclude any individual who was younger than 15 in the baseline year. 89 We then rely on the Census Place Project (Berkes et al, 2023) 87 Results are virtually unchanged when dropping this additional restriction. 88 Since the 1890 Census was destroyed in a fire, this year cannot be used in the analysis; we thus consider the 1880-1900 period.…”
Section: B3 Historical Us Internal Migrationmentioning
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