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.
Piyapong Jiwattanakulpaisarn
Recent Publications
Working from Home and Walking during and after COVID
We investigate the relationship between people who worked from home during the pandemic and how often they walked before, during, and after COVID. We find that people who worked from home during the pandemic had the largest increases in walking frequency compared to...
Gender split and safety behavior of cyclists and e-scooter users in Asbury Park, NJ
Abstract Micromobility usage has increased significantly in the last several years as exemplified by shared e-scooters and privately owned bicycles. In this study, we use traffic camera footage to observe the behavior of over 700 shared e-scooters and privately owned...
What do People Want to do Instead of Commuting to Work?
The COVID-19 pandemic resulted in a sudden shift to working at home. People stopped commuting to their jobs. We fielded two surveys in New Jersey during the pandemic and included questions on what respondents did with time saved from not commuting as well as which...
The End of Speed Traps and Ticket Quotas: Re-framing and Reforming Traffic Cameras to Increase Support
Abstract The U.S. public is skeptical of speed cameras because they are seen as revenue generators. Many cities do indeed raise funds via traffic tickets, although they are primarily issued by police officers, not cameras. Ironically, cameras are poor long-term...