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Energy saving innovations, non-exhaustible sources of energy and long run; what would happen if we run out of oil

  • Hernando Zuleta


We formulate and solve a model of factor saving technological improvement considering three factors of production: labor, capital and energy. The productive activities have three main characteristics: �first, in order to use capital goods fi�rms need energy; second, there are two sources of energy: non-exhaustible and exhaustible; third, capital goods can be of different qualities and the quality ofthese goods can be changed along two dimensions -reducing the need of energy or changing the source of energy used in the production process. The economy goes through three stages of development after industrialization. In the �first, fi�rms make use of exhaustible energy and the efficiency in the use of energy is constant. In the second stage, as the price of energy grows the efficiency in its use is increased. In the third stage, the price of exhaustible sources is so high that fi�rms have incentives to use non-exhaustible sources of energy. During this stage the price of energy is constant. In this set up, the end of the oil age has level effects on consumption and output but it does not cause the collapse of the economic system.

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Paper provided by UNIVERSIDAD DEL ROSARIO in its series DOCUMENTOS DE TRABAJO with number 004593.

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Length: 31
Date of creation: 29 Feb 2008
Date of revision:
Handle: RePEc:col:000092:004593
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