This paper revisits the concept of agglomeration economies by estimating the effects of localisation, urbanisation and local competition on labour productivity using establishment-level data in Korean manufacturing industries. It is found that, when an establishment locates in a more...

This study examines elevated/subway and bus ridership for the five cities in the U.S. with the largest elevated/subway systems. Data on individual trips to work from the 2010 Census are employed. The New York elevated/subway system is by far the largest system and carries 18.4% of the trips to...

Carrier density of a two-dimensional electron gas (2DEG) in Al0.3Ga0.7N/GaN and Al0.3Ga0.7N/AlN/GaN heterostructures was investigated by performing Shubnikov-de Haas (SdH) measurements. The angular-dependent SdH measurements and the fast Fourier transformation results for the SdH data indicated...