20060720陳金盛 20060720陳金盛 9 11 月, 2016 賴孚權 Singh and Vives(1984) Price and Quantity Competition in a Differentiated Duopoly The RAND Journal of Economics，15(4) 546-554 20060720_Singh and Vives (1984)_Price and Quantity Competition in a Differentiated Duopoly_The RAND Journal of Economics, 15(4), 546-554