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<p>Economic growth necessitates not only the balance between aggregate supply and aggregate demand but also the structural equilibrium among various industries. This paper integrates the input-output table into the Leontief dynamic model, utilizing Markowitz’s theory to construct an investment portfolio of inputs and outputs. Further, it develops an input multiplier model for three distinct industries by amalgamating the Keynesian multiplier theory. It outlines a methodology to compute the influence and inductance coefficients of industrial interrelations. Employing the input-output table from HB province spanning 2010 to 2020, this study examines the input dynamics, investment multipliers, industrial structure, and inter-industry correlations. Over this period, the labor input structure of the primary industry witnessed a decline of 18.36%, while the investment multiplier for total output was augmented by 5.107 units for every unit increase in equipment manufacturing products. Between 2015 and 2020, the influence and inductance coefficients for the three industries rose by 11.21% and 4.45%, respectively, all constrained by the secondary industry. To stabilize the input structure across the three sectors and bolster sustained economic growth, it is imperative to liberate the relevant inputs of the secondary industry and enhance those of the primary and tertiary sectors.</p>
</abstract>

Economic growth necessitates not only the balance between aggregate supply and aggregate demand but also the structural equilibrium among various industries. This paper integrates the input-output table into the Leontief dynamic model, utilizing Markowitz’s theory to construct an investment portfolio of inputs and outputs. Further, it develops an input multiplier model for three distinct industries by amalgamating the Keynesian multiplier theory. It outlines a methodology to compute the influence and inductance coefficients of industrial interrelations. Employing the input-output table from HB province spanning 2010 to 2020, this study examines the input dynamics, investment multipliers, industrial structure, and inter-industry correlations. Over this period, the labor input structure of the primary industry witnessed a decline of 18.36%, while the investment multiplier for total output was augmented by 5.107 units for every unit increase in equipment manufacturing products. Between 2015 and 2020, the influence and inductance coefficients for the three industries rose by 11.21% and 4.45%, respectively, all constrained by the secondary industry. To stabilize the input structure across the three sectors and bolster sustained economic growth, it is imperative to liberate the relevant inputs of the secondary industry and enhance those of the primary and tertiary sectors.

Leontief Model-Based Research on the Input Structure of Three Industries: A Markowitz Optimization Perspective

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

Economic growth necessitates not only the balance between aggregate supply and aggregate demand but also the structural equilibrium among various industries....

Leontief Model-Based Research on the Input Structure of Three Industries: A Markowitz Optimization Perspective

Published Online: Aug 05, 2024

Page range: -

Received: Apr 08, 2024

Accepted: Jul 04, 2024

DOI: https://doi.org/10.2478/amns-2024-1852

Keywords
Leontief model, Markowitz theory, Input-output table, Input multiplier model, Keynesian multiplier theory.

© 2024 Hong Wang., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Leontief Model-Based Research on the Input Structure of Three Industries: A Markowitz Optimization Perspective

Published Online: Aug 05, 2024

Page range: -

Received: Apr 08, 2024

Accepted: Jul 04, 2024

DOI: https://doi.org/10.2478/amns-2024-1852

KeywordsLeontief model, Markowitz theory, Input-output table, Input multiplier model, Keynesian multiplier theory.

© 2024 Hong Wang., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
Leontief model, Markowitz theory, Input-output table, Input multiplier model, Keynesian multiplier theory.