This paper uses recent advances in dynamic panel econometrics to examine the impact of highway infrastructure on aggregate county-level employment using data for all 100 North Carolina counties from 1985 through 1997.
John W. Polak
Recent Publications
Powering bikeshare in New York City: does the usage of e-bikes differ from regular bikes?
Abstract In this study, we investigate the difference between shared electric bicycles (e-bikes) and conventional shared bikes operated by Citi Bike in New York City. We examine differences in usage by examining summary statistics and we develop conditional...
The Traffic Calming Effect of Delineated Bicycle Lanes
Abstract We analyze the effect of a bicycle lane on traffic speeds. Computer vision techniques are used to detect and classify the speed and trajectory of over 9,000 motor-vehicles at an intersection that was part of a pilot demonstration in which a bicycle lane was...
Concerns expressed by used electric vehicle owners based on surveying social media
Abstract The used EV market is growing as more EVs penetrate the market. To examine who is purchasing used EVs and what concerns they may have, we deployed a survey focused on owners of used EVs. Data was collected online via posting the survey to used-EV-related...
Morris Moves: Morris County Coordinated Human Services Transportation Plan
The Morris County Coordinated Human Services Transportation Plan (CHSTP) was written in accordance with federal statute, first required in 2006 and re-authorized most recently in the 2016 legislation PL 114-22 entitled Fixing America’s Surface Transportation Act...