Optimal Feedbacks in Techno-Economics Dynamics

Tarasyev, A.M., Watanabe, C., & Zhu, B. ORCID: https://orcid.org/0000-0002-2890-7523 (2002). Optimal Feedbacks in Techno-Economics Dynamics. IIASA Research Report (Reprint). IIASA, Laxenburg, Austria: RR-03-004. Reprinted from International Journal of Technology Management, 23(7/8):691-717 [2002].

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Abstract

The objective of this work is twofold: to design control strategies which optimize production, technology and their rates in a nonlinear model of economic growth; and to demonstrate the significance of this modeling approach by means of an empirical analysis. We formulate a problem of R&D investment for a dynamic model, which binds production to technology. A discounted utility function, which correlates the amount of sales with the diversity in production, gives a criterion of optimality. We use the Pontryagin maximum principle for the design of an optimal nonlinear dynamics. On the basis of the theoretical analysis, we carry out an empirical analysis, which attempts to demonstrate the practical significance of the approach. For Japan's major manufacturing sectors, we compare optimal and actual levels of R&D intensities and identify sources of 'pseudo innovation' in high-tech industries.

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