Technological Leadership, Human Capital and Economic Growth: A Spatial Econometric Analysis for U.S. Counties, 1969-2003
This paper uses exploratory and spatial econometric data analysis techniques to investigate role of space, technological leadership, human capital, increasing returns to scale and industrial clustering as well as hierarchical organization principles for U.S. counties using data from 1969 through 2003.
Link
http://ideas.repec.org/p/pae/wpaper/06-09.html