Vol 20 No 2 (2026): BAREKENG: Journal of Mathematics and Its Application
Articles

WAVELET-BASED COMPUTATIONAL FRAMEWORK FOR THE SOLOW-SWAN ECONOMIC MODEL

Jay Kishore Sahani
Department of Mathematics, D.A.V. PG College, India
Pankaj Sharma
Department of Mathematics, Pondicherry University, India
Nikhil Khanna
Department of Mathematics, College of Science, Sultan Qaboos University, Oman
Ajay Kumar
Department of Science and Computation, Shri Vishwakarma Skill University, India
Published January 26, 2026
Keywords
  • Approximate solutions,
  • Economic growth,
  • Haar Wavelets,
  • Numerical Methods,
  • Solow-Swan Model
How to Cite
[1]
J. K. Sahani, P. Sharma, N. Khanna, and A. Kumar, “WAVELET-BASED COMPUTATIONAL FRAMEWORK FOR THE SOLOW-SWAN ECONOMIC MODEL”, BAREKENG: J. Math. & App., vol. 20, no. 2, pp. 1557-1568, Jan. 2026.

Abstract

In this paper, we introduce an innovative numerical technique for addressing the classical Solow-Swan economic growth model through the application of the Haar wavelet approach. The Solow-Swan model, a cornerstone of neoclassical economics, elucidates long-run economic growth influenced by capital accumulation, labor, and technological advancements. Although various computational methods have been utilized to study its behavior, the use of wavelet-based techniques, specifically Haar wavelets, has been largely overlooked. The Haar wavelet method provides distinct benefits, such as computational simplicity and adaptability to piecewise continuous functions. By transforming the Solow-Swan model into a set of algebraic equations using Haar wavelet expansion, we showcase the method’s ability to accurately capture growth dynamics. We present numerical results to substantiate the efficacy of this approach and compare it with conventional numerical techniques, underscoring the advantages of wavelet-based solutions. This study offers a fresh perspective on economic modeling, emphasizing the potential of wavelet theory in the numerical analysis of growth equations.

Downloads

Download data is not yet available.

References

  1. R. M. Solow, “A CONTRIBUTION TO THE THEORY OF ECONOMIC GROWTH,” The Quarterly Journal of Economics, vol. 70, no. 1, pp. 65-94, February 1956, doi: https://doi.org/10.2307/1884513
  2. T. W. Swan, “ECONOMIC GROWTH AND CAPITAL ACCUMULATION,” Economic Record, vol. 32, no. 2, pp. 334-361, November 1956, doi: https://doi.org/10.1111/j.1475-4932.1956.tb00434.x
  3. O. Bajo-Rubio, “A FURTHER GENERALIZATION OF THE SOLOW GROWTH MODEL: THE ROLE OF THE PUBLIC SECTOR,” Economics Letters, vol. 68, no. 1, pp. 79-84, July 2000, doi: https://doi.org/10.1016/S0165-1765(00)00220-2
  4. A. Dohtani, “A GROWTH-CYCLE MODEL OF SOLOW-SWAN TYPE, I,” Journal of Economic Behavior & Organization, vol. 76, no. 2, pp. 428-444, November 2010, doi: https://doi.org/10.1016/j.jebo.2010.07.006
  5. R. E. A. Farmer, MACROECONOMICS, 3rd ed., Mason, OH: South-Western College Publishing, 2008.
  6. G. Gandolfo, ECONOMIC DYNAMICS, Heidelberg: Springer-Verlag, 1997.
  7. L. Guerrini, “THE SOLOW-SWAN MODEL WITH A BOUNDED POPULATION GROWTH RATE,” Journal of Mathematical Economics, vol. 42, no. 1, pp. 14-21, February 2006, doi: https://doi.org/10.1016/j.jmateco.2005.05.001
  8. V. Halsmayer, “FROM EXPLORATORY MODELING TO TECHNICAL EXPERTISE: SOLOW’S GROWTH MODEL AS A MULTIPURPOSE DESIGN,” History of Political Economy, vol. 46, Supplement 1, pp. 229-251, December 2014. doi: https://doi.org/10.1215/00182702-2716181
  9. D. A. Kulikov, “THE GENERALIZED SOLOW MODEL,” Journal of Physics: Conference Series, vol. 1205, pp. 012033, 2019, doi: https://doi.org/10.1088/1742-6596/1205/1/012033
  10. N. L. P. Lundström, “HOW TO FIND SIMPLE NONLOCAL STABILITY AND RESILIENCE MEASURES,” Nonlinear Dynamics, vol. 93, pp. 887-908, April 2018, doi: https://doi.org/10.1007/s11071-018-4234-x
  11. G. González-Parra, B. Chen-Charpentier, A. J. Arena, and M. Díaz-Rodríguez, “MATHEMATICAL MODELING OF PHYSICAL CAPITAL DIFFUSION USING A SPATIAL SOLOW MODEL: APPLICATION TO SMUGGLING IN VENEZUELA,” Economies, vol. 10, no. 7, pp. 164, July 2022, doi: https://doi.org/10.3390/economies10070164
  12. M. Bohner, J. Heim, and A. Liu, “QUALITATIVE ANALYSIS OF A SOLOW MODEL ON TIME SCALES,” Journal of Concrete and Applicable Mathematics, vol. 13, no.’s 3-4, pp. 183-197, 2015.
  13. N. Cangiotti and M. Sensi, “EXACT SOLUTIONS FOR A SOLOW-SWAN MODEL WITH NON-CONSTANT RETURNS TO SCALE,” Indian Journal of Pure and Applied Mathematics, vol. 54, pp. 1278-1285, December 2023, doi: https://doi.org/10.1007/s13226-022-00341-7
  14. N. Brunner, G. Mayrpeter, and M. Kühleitner, “PARAMETER ESTIMATION OF THE SOLOW-SWAN FUNDAMENTAL DIFFERENTIAL EQUATION,” Heliyon, vol. 8, no. 10, pp. 1-11, October 2022, doi: https://doi.org/10.1016/j.heliyon.2022.e10816
  15. N. Ureña and A. M. Vargas, “ON THE NUMERICAL SOLUTION TO A SOLOW MODEL WITH SPATIAL DIFFUSION AND TECHNOLOGY-INDUCED MOTILITY,” Engineering Analysis with Boundary Elements, vol. 157, pp. 541-552, December 2023, doi: https://doi.org/10.1016/j.enganabound.2023.09.026
  16. N. Ureña and A. M. Vargas, “NUMERICAL SOLUTION TO A PARABOLIC ODE SOLOW-SWAN MODEL WITH SPATIAL DIFFUSION AND TECHNOLOGY-INDUCED MOTILITY,” Journal of Computational and Applied Mathematics, vol. 447, pp. 115913, September 2024, doi: https://doi.org/10.1016/j.cam.2024.115913
  17. C. F. Chen and C. H. Hsiao, “HAAR WAVELET METHOD FOR SOLVING LUMPED AND DISTRIBUTED PARAMETER SYSTEMS,” IEE Proceedings - Control Theory and Applications, vol. 144, no. 1, pp. 87-94, January 1997, doi: https://doi.org/10.1049/ip-cta:19970702
  18. M. Devi and B. Yadav, “SOLVING BESSEL EQUATION OF ZERO ORDER USING WILSON WAVELETS,” Poincare J. Anal. Appl., vol. 9, no. 2, pp. 239-247, December 2022, doi: https://doi.org/10.46753/pjaa.2022.v09i02.008
  19. J. K. Sahani, P. Kumar, A. Kumar, and N. Khanna, “NUMERICAL SOLUTION OF NON-LINEAR LIÉNARD EQUATION USING HAAR WAVELET METHOD,” Poincare J. Anal. Appl., vol. 11, no. 2, pp. 197-210, December 2024,
  20. doi: https://doi.org/10.46753/pjaa.2024.v011i02.009
  21. M. Devi, B. Yadav, and P. Vats, “NUMERICAL SOLUTION OF LINEAR FREDHOLM INTEGRAL EQUATIONS SYSTEM BY LINEAR LEGENDRE MULTI-WAVELETS,” Poincare J. Anal. Appl., vol. 12, no. 2, pp. 43-59, May 2025, doi: https://doi.org/10.46753/pjaa.2025.v012i02.005
  22. P. Barelli and S. de Abreu Pessôa, “INADA CONDITIONS IMPLY THAT PRODUCTION FUNCTION MUST BE ASYMPTOTICALLY COBB-DOUGLAS,” Economics Letters, vol. 81, no. 3, pp. 361-363, December 2003, doi: https://doi.org/10.1016/S0165-1765(03)00218-0
  23. K.-I. Inada, “ON A TWO-SECTOR MODEL OF ECONOMIC GROWTH: COMMENTS AND A GENERALIZATION,” The Review of Economic Studies, vol. 30, no. 2, pp. 119-127, June 1963, doi: https://doi.org/10.2307/2295809
  24. A. Litina and T. Palivos, “DO INADA CONDITIONS IMPLY THAT PRODUCTION FUNCTION MUST BE ASYMPTOTICALLY COBB-DOUGLAS? A COMMENT,” Economics Letters, vol. 99, no. 3, pp. 498-499, June 2008, doi: https://doi.org/10.1016/j.econlet.2007.09.035
  25. A. Takayama and T. Akira, MATHEMATICAL ECONOMICS, 2nd ed. Cambridge, UK: Cambridge University Press, 1985.
  26. H. Uzawa, “ON A TWO-SECTOR MODEL OF ECONOMIC GROWTH II,” The Review of Economic Studies, vol. 30, no. 2, pp. 105-118, June 1963, doi: https://doi.org/10.2307/2295808
  27. Siraj-ul-Islam, I. Aziz, and B. Šarler, “THE NUMERICAL SOLUTION OF SECOND ORDER BOUNDARY VALUE PROBLEMS BY COLLOCATION METHOD WITH THE HAAR WAVELETS,” Mathematical and Computer Modelling, vol. 52, no.’s 9-10, pp. 1577-1590, November 2010, doi: https://doi.org/10.1016/j.mcm.2010.06.023
  28. M. J. Kheirdeh, A. Askari-Hemmat, and H. Saeedi, “ON s-ELEMENTARY WAVELETS IN R AND THEIR APPLICATIONS IN SOLVING INTEGRAL EQUATIONS,” Poincare J. Anal. Appl., vol. 11, no. 1, pp. 67-84, June 2024, doi: https://doi.org/10.46753/pjaa.2024.v011i01.005
  29. S. Lal, H. C. Yadav, and Abhilasha, “APPROXIMATION OF FUNCTIONS BELONGING TO C^(M,α) [0,1) CLASS AND SOLUTION OF CHANDRASEKHAR’S WHITE DWARFS AND PANTOGRAPH DIFFERENTIAL EQUATION BY GENOCCHI WAVELETS,” Poincare J. Anal. Appl., vol. 10, no. 3, pp. 171-186, December 2023, doi: https://doi.org/10.46753/pjaa.2023.v010i03.011
  30. M. Singh, S. Sharma, and S. Rawan, “SOLUTION OF LINEAR DIFFERENTIAL EQUATIONS USING OPERATIONAL MATRIX OF BERNOULLI ORTHONORMAL POLYNOMIALS,” Poincare J. Anal. Appl., vol. 7, no. 1, pp. 51-60, June 2020, doi https://doi.org/10.46753/pjaa.2020.v07i01.005
  31. P. Yadav and S. Jahan, “FIBONACCI WAVELETS APPROACH FOR SOLVING NON LINEAR FREDHOLM INTEGRAL EQUATIONS,” Poincare J. Anal. Appl., vol. 10, no. 3, pp. 55-67, December 2023, doi: https://doi.org/10.46753/pjaa.2023.v010i03.004
  32. M. Devi, S. Sharma, and S. Rawan, “NUMERICAL SOLUTIONS OF SYSTEM OF LINEAR DIFFERENTIAL EQUATIONS USING HAAR WAVELET APPROACH,” Poincare J. Anal. Appl., vol. 10, no. 1, pp. 61-73, June 2023, doi: https://doi.org/10. 46753/pjaa.2023.v010i01.005