Mathematical Formulation of a Forest Sector Prototype Model

Loennstedt, L. (1983). Mathematical Formulation of a Forest Sector Prototype Model. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-83-069

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Abstract

This paper gives a mathematical description of a long-term prototype model developed as a part of IIASA's Forest Sector Project. The model is developed for analyzing in a 20-30 years perspective, the impact of cost competitiveness and wood availability on the structural change of the forest sector under investigation. The model is intended to be used by decision makers at strategic discussions about possible futures of the forest sector.

The model consists of two symmetric competing forest sectors--one for the national forest sector under investigation; and one for competing forest sectors of other countries. Each forest sector covers all activities ranging from timber growth to the consumption of forest industrial products such as paper (pulp), sawnwood and panels. This is represented in the model through eight modules: Demand of products, product market, forest industry, roundwood market, forest management, inventory of standing volume, construction sector and regulation of the forest sector. In this paper each of the modules is described and the mathematical equations are presented.

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