Original sentence: If you think that fast food restaurants in PA are identical to fast food restaurants in NJ, then you would expect NJ restaurants to see a similar −2.16 FTE change in employment.In order to aleviate this problem two corrections based on asymptotic approximation of the variance-covariance matrix work well for moderate numbers of states and one correction that collapses the time series information into a "pre" and "post" period and explicitly takes into account the effective sample size works well even for small numbers of states.In order to estimate the impact of the of the bill on the percentage of firms offering health insurance, we could simply do a before and after analysis and conclude that the bill increased insurance offerings by 30%.They turn to fast food restaurants in Pennsylvania, a state which faces very similar macroeconomic conditions
Edited sentence: If you think fast food restaurants in PA are identical to fast food restaurants in NJ, then you expect NJ restaurants to see a similar −2.16 FTE change in employment.They turn to fast food restaurants in Pennsylvania, a state that faces very similar macroeconomic conditions.To aleviate this problem two corrections based on asymptotic approximation of the variance-covariance matrix work well for moderate numbers of states and one correction that collapses the time series information into a "pre" and "post" period and explicitly takes into account the effective sample size works well even for small numbers of states.To estimate the impact of the of the bill on the percentage of firms offering health insurance, we could simply do a before and after analysis and conclude that the bill increased insurance offerings by 30%