Employment and Income Impacts of Highway Expenditures on Bypass, Loop and Radial Highway Improvements

摘要

The report presents estimates of employment and income impacts of highway expenditures on bypass, loop and radial highway improvements. Six multiple regression models are developed to estimate these impacts. The regression models are of the single linear equation type. Three of the models are solved by the ordinary least squares method using one-year cross-sectional data, and three of the models are solved by the ordinary least squares and pooled methods using four-year combined cross-sectional and time-series data. The 'before versus after construction' approach is applied in the last three models. The economic impacts are estimated using the following dependent variables in the respective sets of equations: (1) number of manufacturing employees of an affected city, (2) number of employees of an affected county, and (3) total actual or real wages of an affected county.