The elasticity of demand for self-purchased drugs: based on the survey data of 14 431 residents in Heilongjiang province_Chinese Journal of Evidence-Based Medicine

Authors：

ZHOU Liangru ¹ ,  ZHANG Xin ¹ , ZHENG Xue ² , LIU Guoxiang ¹ , GUO Sirou ¹ , SUN Chengyao ¹

1. School of Public Health, Harbin Medical University, Harbin, 150000, P.R.China;
2. Department of Quality Control, Affiliated Hospital of Southwest Medical University, Luzhou, 646000, P.R.China;

Corresponding?author：

ZHANG Xin, Email: zhangxinzhx0801@126.com

Keywords：

Self-purchase medicine; Self-price elasticity; Income elasticity; Cross elasticity; Heilongjiang; Real world study

DOI：

10.7507/1672-2531.201807142

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Objectives To estimate the elasticity of demand price elasticity and demand income of urban and rural residents’ self-purchase drug use and expenditure, and to analyze the sensitivity of self-purchase drug use and expenditure to the price change of drug purchase, resident income and medical institutions. Methods The data were derived from the fifth health service survey in Heilongjiang province in 2013. The Probit model was used to obtain the partial regression coefficients of the control variables in the regression model, and the demand elasticity of the self-purchase drug use was further measured by the partial regression coefficients, and the demand elasticity of self-purchase expenditure was obtained by the logarithmic regression model. Results A total of 5 289 households (14 431 persons) were included. The demand for self-purchase drug use of Heilongjiang province was 0.374 (P=0.000), the cross-price elasticity of self-purchase drug utilization and service was –0.184 (P=0.000), and the income elasticity was 0.083 (P=0.172). Since the price elasticity of the self-purchase drug expenditure was 0.675 (P=0.000), the income elasticity was 0.144 (P=0.069). Conclusions The use of self-purchased drugs in Heilongjiang province lacks price elasticity and is a necessity. There is a complementary relationship between the use of self-purchase drugs and medical institutions.

Citation： ZHOU Liangru, ZHANG Xin, ZHENG Xue, LIU Guoxiang, GUO Sirou, SUN Chengyao. The elasticity of demand for self-purchased drugs: based on the survey data of 14 431 residents in Heilongjiang province. Chinese Journal of Evidence-Based Medicine, 2018, 18(11): 1239-1244. doi: 10.7507/1672-2531.201807142 Copy

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1. 鄭雪, 劉國祥, 紀門, 等. 中國衛生服務需求彈性研究的系統評價. 中國循證醫學雜志, 2017, 17(5): 564-572.
2. Zhou Z, Su Y, Gao J, et al. New estimates of elasticity of demand for healthcare in rural China. Health Policy, 2011, 103(2): 255-265.
3. 李濤, 陳斌開. 家庭固定資產、財富效應與居民消費: 來自中國城鎮家庭的經驗證據. 經濟研究, 2014, (3): 62-75.
4. Liu GG, Wu H, Li M, et al. Chinese time trade-off values for EQ-5D health states. Value Health, 2014, 17(5): 597-604.
5. 陳文. 衛生經濟學. 北京: 人民衛生出版社, 2013: 87.
6. Manning WG, Newhouse JP, Duan N, et al. Health insurance and the demand for medical care: evidence from a randomized experiment. Am Econ Rev, 1987, 77(3): 251-277.
7. Mocan HN. The demand for medical care in urban China. World Dev, 2004, 32(2): 289-304.
8. 朱宏. 我國藥品需求彈性的研究. 中國藥房, 2004, 15(11): 653-655.
9. Grossman M. On the concept of health capital and the demand for health. J Polit Econ, 1972, 80(2): 223-255.
10. 呂學靜. 非理性就醫的深層原因及防范措施. 中國醫療保險, 2012, 6(6): 15-16.
11. 李亞楠, 陳在余, 馬愛霞, 等. 新型農村合作醫療制度對農民就醫決策的影響: 基于" 中國健康與營養調查”數據的雙重差分估計. 寧夏農林科技, 2012, 53(11): 164-166.
12. 李金梅. 醫改前后患者對黑龍江省就診醫療機構的評價變化. 齊齊哈爾醫學院學報, 2015, (6): 866-867.
13. 白井雙, 吳淑華. 急性冠狀動脈綜合征患者決策延遲的影響因素分析. 中國實用護理雜志, 2015, 31(15): 1168-1170.

Chinese Journal of Evidence-Based Medicine

The elasticity of demand for self-purchased drugs: based on the survey data of 14 431 residents in Heilongjiang province

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