Scientific journal paper Q1
Social infrastructure and the preservation of physical capital: equilibria and transitional dynamics
Helena Soares (Soares, H.); Tiago Miguel Guterres Neves Sequeira (Sequeira, T. N.); Pedro Macias Marques (Marques, P. M.); Orlando Gomes (Gomes, O.); Alexandra Ferreira-Lopes (Ferreira-Lopes, A.);
Journal Title
Applied Mathematics and Computation
Year (definitive publication)
2018
Language
English
Country
Netherlands
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Abstract
We study the mechanisms according to which social infrastructure influences the preservation of physical capital and, consequently, economic growth. The model considers that social infrastructure is a specific type of human capital, which acts in order to preserve already existing physical capital, by, e.g., reducing the incentive for rent seeking or corruption. Using an innovative methodology in economics, the Gröbner bases, we study the equilibrium of our model and conclude for the existence of two feasible steady-states or of unicity according to different combinations of parameters, highlighting a trade-off between consumption and production on one hand and social infrastructure and physical capital accumulation, on the other. We also present sufficient conditions for saddle-path stability. Finally, we describe transitional dynamics and calculate welfare effects from which we show that strengthening social infrastructure increases welfare.
Acknowledgements
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Keywords
Social infrastructure,Physical capital depreciation,Endogenous growth,Multiple equilibria,Gröbner bases
  • Mathematics - Natural Sciences
  • Economics and Business - Social Sciences
Funding Records
Funding Reference Funding Entity
PTDC/EGE-ECO/102238/2008 Fundação para a Ciência e a Tecnologia
PEst-OE/EGE/UI0315/2011 Fundação para a Ciência e a Tecnologia
PTDC/MAT/099275/2008 Fundação para a Ciência e a Tecnologia
UID/ECO/04007/2013 Fundação para a Ciência e a Tecnologia
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