Review of evidence on the impact of minimum wage laws in America finds, contrary to what has been claimed by letters signed by lots of important economists, and told to congress by economists, most research finds a negative effect on employment for...
onlinelibrary.wiley.com/doi/10.1111/ir…
...low skill workers. This is true of the overall literature and recent literature. It is also true of research at the federal, state, and city, level, although the latter produces a somewhat smaller proportion of negative effect estimates due to focusing on low skill...
...industries as a whole rather than just low skill employees in those industries.
The paper also makes a point about meta-analyses that I think is worth emphasizing for its general value. Sometimes, meta-analyses will combine all the effect sizes found in a paper even when...
...doing so makes no sense. A place where I have encountered this issue is in research on racial bias. Sometimes, academics will do a meta-analysis on racial bias and go to a paper saying "X confounder explains racial disparities" and see that the paper has produced two...
...(or more) estimates of the disparity to show that the disparity is large before X is controlled for but non-existent after. These estimates are then averaged to say the study reported a modest racial disparity, thus transforming evidence against racism into evidence for it...
You may think this is such an obvious error that no intelligent and honest person could make it and that assessment is correct. But academics sometimes do it anyhow.
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