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目的探讨增量分析的经济学原理,为恰当选用药物经济学评价方法提供参考。方法运用经济学的核心概念及原理进行理论推导。结果与结论增量分析的根本理论基础是理性人追求利益最大化的行为准则,而成本-产出比却无此经济内涵,决策时应重点参考增量成本-产出比;药物经济学评价中成本-效果分析、成本-效用分析的增量比指标与成本-效益分析中的净收益指标在经济学内涵上是相同的,3种方法的区别在于货币化处理步骤的先后;外部性判断标准的实质是项目产出的货币价值,代表健康产出的价格。
Objective To explore the economic principle of incremental analysis and provide a reference for the proper selection of evaluation methods of pharmacoeconomics. Methods Applying the core concepts and principles of economics to theoretical deduction. Results and Conclusions The fundamental theoretical basis of incremental analysis is the rational behavior of the pursuit of the interests of rational people, and cost-output ratio but no such economic connotation, the decision-making should focus on incremental cost - output ratio; evaluation of pharmaceutical economics The cost-effectiveness analysis, cost-effectiveness analysis of the incremental index and cost-benefit analysis of the net income indicators in the economic connotation of the same, the difference between the three methods lies in the order of the monetization process; external judgment The essence of the standard is the monetary value of the output of the project, representing the price of health output.