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2006
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vol. 15
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issue 4(60)
241-256
EN
J.S. Mill is a major figure in the mainstream classical economics. The authoress places him against the background of the historical development of the theory of political economy. She shows that Mill stands out among the members of that school of thought by offering a particularly well defined concept of the rational economic agent. Consequently his system of economics makes strong, or perhaps event too stringent, assumptions about human rationality on the one hand, and the rationality of the markets, on the other. The authoress also shows how Mill's assumptions influenced other authors in economics and how they were modified by later works of that field.
EN
Since the 80s of the 20th century, being the reasons of business cycles and economic growth, technological changes have become again a subject of great interest to economists. The development of Real Business Cycle Theory and Endogenous Growth Theory have contributed to a lot of research on the causes of the business cycles and on the incorporation of a technological factor into macro-econometrics models. The objective of this paper is to review definitions of an innovation and a technology shock and to analyze relations between these two concepts. The interpretation of innovation and its taxonomy on a microeconomic level is made with a respect to the analysis of a technological shock on a macroeconomic level. The authors argue that every new idea affecting the relation of factors of production in a given enterprise can be called, at best, an innovation or a change in technology but not a shock. Due to technology diffusion, only big innovations in one enterprise could spread on the entire economy and cause a technology shock possible to identify.
EN
The article contains comments on the perception of 'homo economicus' concept. They cover the full rationality model and its evolution towards the concept in which a human being is constrained by bounded rationality as well as by the environment influences, who acts routinely and frequently in an opportunistic manner. The article stresses the importance of the exact definition of an individual who constitutes the basic component of an economic system. A special attention is accorded to the comparison of the models of an economic man that are present in economic theories of the main stream and the new institutional economics. The authoresses voice the opinion that despite the recent rendering the model more realistic as well as the convergence of approaches toward an economic agent in economics and sociology, the substitution of the concept of 'homo economicus' by an alternative model seems in the near future very unlikely.
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