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Evolution of Behavior When Duopolists Choose Prices and Quantities
, Peeters R.
Published in Birkhauser
Volume: 10
Issue: 2
Pages: 493 - 508
We study the stable market outcome that evolves when firms, that operate in a spatially differentiated duopolistic market, recurrently choose prices and quantities via an imitation dynamic. In particular, given that firms choose both prices and quantities, we do not explicitly impose market clearing. We find that: (i) a market-clearing outcome always belongs to the set of stable long-run outcomes, (ii) when the level of market differentiation is low, non-market-clearing outcomes (with excess supply as well as excess demand) are also stable, (iii) when the level of market differentiation is not too high or too low, the stable long-run outcomes imply market clearing at prices above monopoly level, and (iv) when the level of market differentiation is high, the stable long-run outcome implies market clearing at the monopoly price. © 2019, Springer Science+Business Media, LLC, part of Springer Nature.
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Published in Birkhauser
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