- Changes in Distributive Equity of Health Insurance Contribution Burden.
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Hee Chung Kang, Eun Cheol Park, Kyu Sik Lee, Tae Kyu Park, Woo Jin Chung, Han Joong Kim
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J Prev Med Public Health. 2005;38(1):107-116.
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 Abstract
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- OBJECTIVES
We analyzed the changes from 1996 to 2002 in distributive equity of the contribution burden in the Korean National Health Insurance. METHODS: The study subjects were a total of 8, 923 employee households and a total of 7, 296 self-employed households over the period from 1996 to 2002. Those were the households meeting the two criteria as completing each annual survey and having no change in the job of head of the household during that period from the raw data of the Household Income and Expenditure Survey annually conducted by the Korean National Statistical Office. The unit of analysis was a household, and this was the standard for assessing the contribution that is now applied on a monthly basis. Deciles Distribution Ratio, Contribution Concentration Curve and Contribution Concentration Index were estimated as the index of inequality. Multiple regression analysis was conducted to compare the annual ability-to-pay elasticity of the contribution to the reference year of 1996 for three groups (all households, the employee households, and the self-employed households). RESULTS: For the index of inequality, the distributive equity of contribution was improved in all three groups. In particular, the employee group experienced a substantial improvement. Using multiple regression analysis, the ability-to-pay elasticity of the contribution in the employee group significantly increased ( beta=0.232, p< 0.0001) in the year 2002 as compared to the reference year of 1996. The elasticity in the self-employed group also significantly increased ( beta=0.186, p< 0.05), although its change was smaller than that in the employee group. CONCLUSIONS: The employee group had a greater improvement for the distributive equity of the contribution burden than the self-employed group. Within the observation period, there were two important integration reforms: one was the integration of 227 self-employed societies in 1998 and the other was the integration of 139 employee societies in 2000. We expected that the equity of the contribution burden would be improved for the self-employed group since the integration reform of 1998. However, it was not improved for the self-employed group until the year 2000. This result suggests that capturing exactly the beneficiaries' ability-to-pay such as income is the precedent for distributive equity of the contribution burden, although a more sophisticated imposition standard of contribution is needed.
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- The Economic Losses of Smoking.
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Jong Ku Park, Kyu Sik Lee
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Korean J Prev Med. 1989;22(4):528-541.
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- The purpose of this study was to identify and measure the economic costs and benefits due to smoking in Korea. Cigarette smoking is a major cause of morbidity and mortality. In addition to the health risks of smoking, there are important economic consequences. A complete assessment of the economics of smoking requires evaluation of various health, economic, and intangible parameters, including benefits as well as costs of both the production and consumption of tobacco. In this article we focus on costs resulting from the health effects of smoking (expenditures for medical care and the value of productive output lost to morbidity, and premature mortality among smokers), since economic benefits from tobacco industry is offset by expenditures for purchasing tobacco. Two distinct methodologies will be applied to measure the economic costs of smoking cigarette, the human capital and willingness-to-pay approaches. This article used the former method. In 1985, total economic losses due to smoking was estimated as 505.7 billion won, which was composed of morbidity losses 64.9 billion won, mortality losses 429.1 billion won and indirect costs 11.7 billion won.
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Summary
- Cost-benefit Analysis of Health Screening Test for the Insured.
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Seung Hum Yu, Myongsei Sohn, Woo Hyung Cho, Eun Cheol Park, Young Doo Lee, Kyu Sik Lee, Ki Hong Chun
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Korean J Prev Med. 1989;22(2):248-258.
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- As a result of cost-benefit analysis by making a macroscopic approach to the health screening projects conducted 4 times since 1980 for the insured people of the Korea Medical Insurance Corporation, the following conclusions were reached. 1. The direct costs put into the health screening project, and the time costs which were paid by examines or calculated in terms of social costs have been estimated. The results is that the lowest estimation was 10,337 million won and the highest 15,141 million won when a minimum of 1.5 hours of time spent and a maximum 4 hours were applied. 2. In terms of the psychiatric benefits, the lowest estimation was 5,341 million won while the highest was 5,585 million won. 3. In terms of the benefits for each kind of diseases, the lowest estimation of 37,188 million won and highest estimation of 74,383 million won have been calculated for the liver diseases. And for the cardiovascular diseases, the minimum estimation was 14,475 million won while the maximum was 20,532 million won. In case of pulmonary tuberculosis, with external effect benefits being included, the estimation ranged from the minimum of 1,649 million won to the maximum of 1,832 million won. And the estimation of benefits for diabetes mellitus and renal diseases ranged from 89 million won to 92 million won and from 4,567 million won respectively. 4. In comparing costs and benefits, as a results of comparing each highest and lowest estimation, a range of minimum 46,708 million won and maximum 98,071 million won of benefits has been gained.
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