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Duopoly with price and quantity as strategic variables

https://doi.org/10.1007/bf01763115
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no DOI — not checkedBertrand, J.: Theorie mathematique de la richesse sociale. (review) Journal des Savants (Paris: September 1883), 499–508.
no DOI — not checkedLevitan, R.E., andM. Shubik: Price Duopoly and Capacity Constraints. Cowles Foundation Discussion Paper No. 287, February 10, 1970.
no DOI — not checked-: Duopoly with Price and Quantity as Strategic Variables. Cowles Foundation Discussion Paper 289, July 17, 1970 (Revised 1978).
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