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Sigma convergence versus beta convergence : evidence from US county-level data
Young, Andrew T., (2003)
Young, Andrew T., (2008)
Sigma Convergence versus Beta Convergence : Evidence from U.S. County-Level Data
Young, Andrew T., (2015)
State- and county-level determinants of food manufacturing establishment growth : 1987 - 93
Goetz, Stephan J., (1997)
On the existence of stable equilibria in agriculture
Goetz, Stephan J., (1993)
Human capital and rural labor issues