Equilibrium analysis of an economy with innovations

Article Abstract:

A economic model is presented in which innovations are considered as goods characterized by a set of new qualities. The qualities of the innovations are considered a subset and they are made the elements of a lattice. The innovations are transformed into intellectual goods, such as software, and copies are sold to consumers. The existence of equilibria is analyzed under various price and market conditions.

Economic aspects, New products, Product introduction

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Dynamic Cournot oligopolies with production adjustment costs

Article Abstract:

Dynamic oligopolies for single products are examined in instances when Cournot expectations exist and an additional condition involving product adjustment costs is present. It is shown that, in such instances, the resulting system is discrete and possesses global asymptotical stability. Furthermore, necessary and sufficient conditions for global stability are also derived and special cases discussed.

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A note on the stability of a Cournot-Nash equilibrium: the multiproduct case with adaptive expectations

Article Abstract:

Dynamic multi-product oligopolies are examined and exceptions to a rule are found. The model is then extended to cover cases where adaptive expectations are involved.

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