需求波动下垄断供应商二手车交易模式选择策略

Research on the Trading Patterns of the Second-hand Cars under Demand Fluctuation of Monopoly Suppliers

研究了在市场需求波动下市场偏好以及交易平台佣金费用对供应商二手车交易模式选择策略的影响。建立并求解了垄断供应商情形下的古诺模型,研究分析不同的供应商策略对于供应商二手车销量和利润的影响,探讨了市场波动程度对于供应商选择策略的影响,得出满足各均衡策略条件。研究发现:二手车供应商会根据市场流失率、佣金费用和市场偏好选择二手车交易模式;当平台佣金费用与市场流失率均较高时,二手车供应商应选择传统交易模式提高利润水平;当市场流失率保持一定且较小,同时市场偏好较大时,不断提高的平台佣金费用有利于消费者剩余和整个社会福利的提高。

Under market demand fluctuations,the impact of consumer preference and trading platform commission expense on suppliers’second-hand car trading mode selection strategies is studied.The Cournot model in the case of monopoly suppliers is established and solved.The influence of different suppliers’strategies on the equilibrium output and profit of the second-hand cars suppliers is analyzed.Considering the degree of demand fluctuation,the conditions that satisfy the supply equilibrium strategy are then proposed.Results show that supply strategy is affected by spilling over rate,consumer preference and commission expense;when the platform commission expense too high as well as high spilling over rate;suppliers prefer the traditional second-hand cars patterns to improve profits.However,when the degree of market fluctuation keeps low,but the consumer preference is relatively high,The improvement of the commission expense is good for consumer surplus and social welfares.