Panel unit root tests are used to evaluate if real per capita GDP for OECD economies are trend or difference stationary. The panel approaches require that the series in the panel are independent, but evidence from the correlation matrix of the residuals indicates dependence. The panel unit root...

This paper investigates the impact of high-speed railroads (HSR) on city-level economic activity using a new dataset for approximately 200 cities in China from 2007-2014. We apply panel Granger causality methods to assess whether increases in a city's accessibility increases GDP growth, GDP per...