| Literature DB >> 26153155 |
Farhad Lotfi1, Hassan Abolghasem Gorji, Ghadir Mahdavi, Mohammad Hadian.
Abstract
BACKGROUND: Asymmetric information is one of the most important issues in insurance market which occurred due to inherent characteristics of one of the agents involved in insurance contracts; hence its management requires designing appropriate policies. This phenomenon can lead to the failure of insurance market via its two consequences, namely, adverse selection and moral hazard.Entities:
Mesh:
Year: 2015 PMID: 26153155 PMCID: PMC4803894 DOI: 10.5539/gjhs.v7n6p146
Source DB: PubMed Journal: Glob J Health Sci ISSN: 1916-9736
Estimation of the parameters of the utility function (risk aversion parameters for the utilization of medical services and composite commodities) using generalized method of movement
| Characteristics | γ1 | γ2 | γ3 |
|---|---|---|---|
| Value | 0.037157 | 73.58 | 0.767806 |
| t-Statistic | 12.58375 | 3.065228 | 80.66861 |
| Prob. | 0.0000 | 0.0022 | 0.0000 |
J-statistic: 2.11E-05, R-squared, 0.141281.
Arro-Prat risk aversion based on the income category
| Income group | Average | Minimum | Maximum |
|---|---|---|---|
| Docile 1 | 1.38E-06 | 6.27E-07 | 3.97E-06 |
| Docile 2 | 1.35E-06 | 6.26E-07 | 3.74E-06 |
| Docile 3 | 1.33E-06 | 6.22E-07 | 3.71E-06 |
| Docile 4 | 1.32E-06 | 6.15E-07 | 3.91E-06 |
| Docile 5 | 1.23E-06 | 6.15E-07 | 3.58E-06 |
| Docile 6 | 1.12E-06 | 5.97E-07 | 3.55E-06 |
| Docile 7 | 1.15E-06 | 6.07E-07 | 3.59E-06 |
| Docile 8 | 1.07E-06 | 6.09E-07 | 3.51E-06 |
| Docile9 | 1.07E-06 | 6.09E-07 | 3.87E-06 |
| Docile 10 | 9.44E-07 | 5.84E-07 | 3.52E-06 |
Results of the distribution of latent health status calculated by Kolmogorov-Smirnov test
| Insurance category | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| 0 | 0.662(0.000) | 0.5985(0.000) | 0.6285(0.000) | 0.6923(0.000) | 0.6753(0.000) | 0.5455(0.000) |
| 1 | 0.0823(0.000) | 0.0391(0.000) | 0.1487(0.000) | 0.2572(0.000) | 0.1262(0.000) | |
| 2 | 0.0769 (0.000) | 0.0983 (0.000) | 0.1759 (0.000) | 0.0790 (0.000) | ||
| 3 | 0.1523(0.000) | 0.2394 (0.000) | 0.0921 (0.000) | |||
| 4 | 0.1198 (0.000) | 0.1635 (0.000) | ||||
| 5 | 0.2009 (0.000) |
Insurance categories: 0= uninsured, 1= Employee-employer, 2=Self-insured, 3=officially- insured, 4= Rural-insured, 5= other public institution, 6= Supplementary.
Elasticity index classified by different insurance category and uninsured people
| Insurance category | Mean | Minimum | Maximum |
|---|---|---|---|
| Uninsured | -2.45862 | -81.886933 | -0.02716089 |
| Employee-employer insurance | -3.49835 | -154.84001 | -0.01571567 |
| Self-insured insurance | -3.04765 | -120.56442 | -0.04041747 |
| Officially- insured insurance | -3.43166 | -228.32415 | -0.01624222 |
| Rural insurance | -3.77396 | -115.41573 | -0.03899935 |
| Other public institution insurance | -3.88417 | -97.135432 | -0.04054852 |
| Supplementary insurance | -2.74799 | -93.808648 | -0.00899122 |
The distribution results of elasticity in different insurance category Kolmogorov-Smirnov test
| Insurance category | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| 0 | 0.1265(0.000) | 0.0855(0.000) | 0.1013(0.000) | 0.1843(0.000) | 0.24(0.000) | 0.0864(0.000) |
| 1 | 0.0516(0.001) | 0.0436(0.012) | 0.0919(0.000) | 0.1205(0.000) | 0.1229(0.000) | |
| 2 | 0.0347(0.103) | 0.1113(0.000) | 0.1658(0.000) | 0.1132(0.000) | ||
| 3 | 0.1202(0.000) | 0.1528(0.000) | 0.0943(0.000) | |||
| 4 | 0.0685(0.079) | 0.2025(0.000) | ||||
| 5 | 0.2353(0.000) |
Insurance categories: 0= uninsured, 1= Employee-employer, 2=Self-insured, 3=officially- insured, 4= Rural-insured, 5= other public institution, 6= Supplementary.
Distribution of health status among different insurance classes and uninsured people
| Insurance category | Covered by | Mean | Minimum | Maximum |
|---|---|---|---|---|
| Uninsured | - | 64 968.96 | -261 769 | 26 765 601 |
| Employee-employer insurance | SSO | 100 400.4 | -1 254 833 | 1.51E+08 |
| Self-insured insurance | 280 782.3 | -1 263 548 | 82 263 195 | |
| Officially- insured insurance | MISO | 273 618.9 | -1 260 580 | 1.15E+08 |
| Rural insurance | -161 737 | -1 295 434 | 56 818 300 | |
| Other public institution insurance | Other institution | 322 953.7 | -1 227 236 | 1.59E+08 |
| Supplementary insurance | Public & private Co. | 842638 | -1252285 | 2.19E+08 |