Gravity modeling in social science: the case of the commuting phenomenon in Greece
Dimitrios Tsiotas (),
George Aspridis (),
Ioannis Gavardinas (),
Labros Sdrolias () and
Dagmar Škodová-Parmová ()
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George Aspridis: Technological Educational Institute of Thessaly, Nea Ktiria
Ioannis Gavardinas: University of Thessaly
Labros Sdrolias: Technological Educational Institute of Thessaly, Nea Ktiria
Dagmar Škodová-Parmová: University of South Bohemia
Evolutionary and Institutional Economics Review, 2019, vol. 16, issue 1, No 7, 139-158
Abstract This article empirically examines the utility of the gravity modeling in regard to its explanatory resolution, to its power against linearity, and to its geographical scale (intercity vs. interregional). For this purpose, the analysis is performed towards three directions; the first regards the model structure and examines how the number of explanatory variables (drafted from a pool of available predictors) affects the model determination, the second examines the model type, comparing the same predictor configurations entered to gravity multivariate linear regression models, and the third examines the changes induced corresponding interregional and intercity gravity models due to the effect of geographical scale. The analysis shows that the gravity modeling is generally effective in the study of systems of spatio-economic interaction, where the use of its standard expression appears a safe and simple choice. However, this model may also attain many effective extended expressions, and thus, it can be functional in higher complexity demand. Overall, this paper sheds some light to the interregional commuting for the case of Greece and highlights the utility of gravity model in the fields of Econophysics and of economic modeling.
Keywords: Econophysics; Gravity model; Extended gravity model; Multivariate linear regression model (search for similar items in EconPapers)
JEL-codes: C31 R15 R23 R40 (search for similar items in EconPapers)
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