Showing 1 - 10 of 20
Given police abolitionism's new visibility after the 2020 racial justice protests, we assess stakeholder beliefs on the protests' stock impacts on police-affiliated firms. Experts generally underestimate the firms' stock gains, except situated experts like community organizers and police...
Persistent link: https://www.econbiz.de/10014436988
We document three facts about the global diffusion of surveillance AI technology, and in particular, the role played by China. First, China has a comparative advantage in this technology. It is substantially more likely to export surveillance AI than other countries, and particularly so as...
Persistent link: https://www.econbiz.de/10014372433
Do investors anticipate that demands for racial equity will impact companies? We explore this question in the context of the Black Lives Matter (BLM) movement--the largest racially motivated protest movement in U.S. history--and its effect on the U.S. policing industry using a novel dataset on...
Persistent link: https://www.econbiz.de/10014337839
Young children are required to use child safety seats, and the age threshold at which children can legally graduate to seat belts has steadily increased. This paper tests the relative effectiveness of child safety seats, lap-and-shoulder seat belts, and lap belts in preventing injuries among...
Persistent link: https://www.econbiz.de/10012466147
Measurement of seat belt and air bag effectiveness is complicated by the fact that systematic data are collected only for crashes in which a fatality occurs. These data suffer from sample selection since seat belt and air bag usage influences survival rates which in turn determine whether a...
Persistent link: https://www.econbiz.de/10012471579
A common practice in evidence-based decision-making uses estimates of conditional probabilities P(y|x) obtained from research studies to predict outcomes y on the basis of observed covariates x. Given this information, decisions are then based on the predicted outcomes. Researchers commonly...
Persistent link: https://www.econbiz.de/10015194995
This paper evaluates the U.S. Census Bureau's most recent data collection efforts to classify business entities that engage in an extreme form of production fragmentation called "factoryless" goods production. "Factoryless" goods-producing entities outsource physical transformation activities...
Persistent link: https://www.econbiz.de/10012480845
This paper studies the performance of a large number of anomalies after accounting for transaction costs, and the effectiveness of several transaction cost mitigation strategies. It finds that introducing a buy/hold spread, which allows investors to continue to hold stocks that they would not...
Persistent link: https://www.econbiz.de/10012457945
We measure and examine data error in health, education and income statistics used to construct the Human Development Index. We identify three sources of data error which are due to (i) data updating, (ii) formula revisions and (iii) thresholds to classify a country's development status. We...
Persistent link: https://www.econbiz.de/10012462085
This paper: outlines an algorithm for concording U.S. ten-digit Harmonized System export and import codes over time; describes the concordances we construct for 1989 to 2004; and provides Stata code that can be used to construct similar concordances for arbitrary beginning and ending years from 1989...
Persistent link: https://www.econbiz.de/10012463810