Duopoly with price and quantity as strategic variablesR. LevitanM. Shubik1978International Journal of Game TheoryPaper
Price variation duopoly with differentiated products and random demandRichard LevitanMartin Shubik1971Journal of Economic TheoryPaper
Nature of business cycles implicit in a linear economic modelGregory C. ChowRichard E. Levitan1969Quarterly Journal of EconomicsPaper