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Two new papers in the Journal of Sports Economics use variation in state tax rates to test how sensitive these athletes' salaries are to state and local taxes.
The second paper, by Nolan Kopkin, a Ph.D. student at Cornell University, looks at the effect that variation in state and local income tax rates have on the labor migration decisions of N.B.A. free agents.
As an alternative instrument, we use variation in state licensure requirements for medical laboratory technicians.
To examine the impact of variation in state laws governing traffic safety on motor vehicle fatalities.
The variation in state pattern is indicative that being non-poor does not necessarily mean staying in a good household environment.
My identification strategy employs a reduced-form model that uses variation in state-year house price changes, as well as variation in a homeowner's exposure to house price changes, based on pre-existing leverage.
Less important in accounting for variation in state fracking policies are socioeconomic characteristics such as median educational attainment and per capita income and general indicators of a state's prior receptivity to the enactment of environmental programs.
To deal with this issue we re-estimate Eq. (4) with two stage least squares (2SLS), using variation in state lab technician licensure laws as an instrument for medical laboratory employment.
In a brief chapter on the "Limits of Local Authority," a map illustrates how variation in state law gives some cities relative local superpowers compared to others.
Finally, even all of our predictor variables entered together accounted for only a minority of the variation in stated ideal age for parenthood.
There was substantial variation in state level monthly unemployment during each year.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com