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Autor:innen: 
Erscheinungsjahr: 
1995
Quellenangabe: 
[Publisher:] Institut für Weltwirtschaft (IfW) [Place:] Kiel [Year:] 1995
Schriftenreihe/Nr.: 
Kiel Working Paper No. 698
Verlag: 
Kiel Institute of World Economics (IfW), Kiel
Zusammenfassung: 
In this paper I discuss the general statistical relationships between beta- and sigmaconvergence (for a definition see section 2) and the implications of the Solow-Swan and Ramsey-Cass model for an OLS-estimation of beta- and sigma-convergence of the log of per capita GDP over a cross section of countries. Furthermore, I present tests of conditional and unconditional sigma- and beta-convergence. The discussion of the statistical relations exhibits that based on the Cauchy-Schwarz inequality it is possible to show that sigma-convergence implies necessarily beta-convergence but that beta-convergence is compatible with sigma-convergence as well as sigma-divergence. The discussion of the implications of the Solow-Swan model shows that - depending on identical stochastics - these models imply unconditional beta- and sigma-convergence, if the cross section sample includes only economies with identical steady state parameters. If the economies display different steady state parameters both models imply conditional beta- and sigma-convergence. A replication of the well-known test results for conditional beta-convergence based on the Summers/Heston (1991) and the Barro/Lee (1993) data sets, does not reject conditional betaconvergence. However, the results of the tests for conditional sigma-convergence are sensitive concerning slight modifications of the cross section sample of countries.
Schlagwörter: 
Beta- and sigma convergence of per capita GDP
Solow-Swan growth model
Ramsey growth model
multicollinearity
BLUE property of OLS-estimators
empirical test
JEL: 
C12
C21
F43
O11
Dokumentart: 
Working Paper
Dokumentversion: 
Digitized Version

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