Effects of COVID-19 on Catastrophic Health Expenditures and Inequality in Benin: A Microsimulation Approach
Abstract
1. Introduction
2. Literature Review
3. Conceptual Framework
4. Empirical Strategy
4.1. Calculating the Effects of COVID-19
4.1.1. Calculating COVID-19 Household Income and Health Expenditure
4.1.2. Calculating the COVID-19 Job Loss Index After the Outbreak
4.1.3. Calculating Incomes After COVID-19
4.1.4. Calculating After COVID-19 Health Expenditures
4.2. Data
5. Empirical Results
5.1. Summary Statistics
5.2. Effect of COVID-19 on Household Income
5.3. Effect of COVID-19 on Income Inequality
5.4. Effect of COVID-19 on Household Health Expenditures
5.5. Discussion
6. Conclusions and Policy Implications
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Appendix A
Type of Activity | Percent |
---|---|
1. Agriculture, fishing, and forestry | 0.00 |
2. Manufacturing and mining | 16.95 |
3. Construction | 18.64 |
4. Wholesale and retail trade, repair of motor vehicles, and other motors. | 37.29 |
5. Hotels and restaurants | 3.39 |
6. Transport and communication | 5.08 |
7. Education and public administration | 0.00 |
8. Health and social work activities | 6.78 |
9. Other services | 11.86 |
Gender | Residence | ||||
---|---|---|---|---|---|
Male | Female | Cotonou | Urban | Rural | |
Risk coefficients | 1.29 | 0.71 | 1.04 | 1.00 | 0.96 |
Household Health Expenditures | Obs | Mean | Std. Dev. | Min | Max |
---|---|---|---|---|---|
Before COVID-19 | 899 | 2158.64 | 4655.426 | 0 | 50,250 |
Low shock | 899 | 86,545.321 | 193,570.45 | 0 | 2,835,360 |
Moderate shock | 899 | 81,208.87 | 182,267.61 | 0 | 2,670,720.3 |
Severe shock | 899 | 73,968.176 | 169,792.54 | 0 | 2,506,080.3 |
Threshold | Obs | Mean | Std. Dev. | Min | Max |
---|---|---|---|---|---|
Catastrophic health expenditures (Before COVID-19) | |||||
10% | 899 | 0.165 | 0.371 | 0 | 1 |
20% | 899 | 0.083 | 0.277 | 0 | 1 |
30% | 899 | 0.051 | 0.22 | 0 | 1 |
40% | 899 | 0.034 | 0.183 | 0 | 1 |
Catastrophic health expenditures (After COVID-19-low shock) | |||||
10% | 899 | 0.175 | 0.38 | 0 | 1 |
20% | 899 | 0.086 | 0.28 | 0 | 1 |
30% | 899 | 0.055 | 0.227 | 0 | 1 |
40% | 899 | 0.036 | 0.185 | 0 | 1 |
Catastrophic health expenditures (After COVID-19-oderate shock) | |||||
10% | 899 | 0.181 | 0.385 | 0 | 1 |
20% | 899 | 0.092 | 0.29 | 0 | 1 |
30% | 899 | 0.058 | 0.234 | 0 | 1 |
40% | 899 | 0.038 | 0.191 | 0 | 1 |
Catastrophic health expenditures (After COVID-19-severe shock) | |||||
10% | 899 | 0.199 | 0.4 | 0 | 1 |
20% | 899 | 0.102 | 0.303 | 0 | 1 |
30% | 899 | 0.065 | 0.246 | 0 | 1 |
40% | 899 | 0.042 | 0.201 | 0 | 1 |
Threshold | Scenario | Man | Woman |
---|---|---|---|
10% | Before COVID-19 | 0.136 | 0.195 |
Low | 0.149 | 0.202 | |
Moderate | 0.156 | 0.209 | |
Severe | 0.181 | 0.218 | |
20% | Before COVID-19 | 0.073 | 0.094 |
Low | 0.076 | 0.096 | |
Moderate | 0.084 | 0.101 | |
Severe | 0.099 | 0.106 | |
30% | Before COVID-19 | 0.043 | 0.06 |
Low | 0.045 | 0.064 | |
Moderate | 0.052 | 0.064 | |
Severe | 0.056 | 0.073 | |
40% | Before COVID-19 | 0.03 | 0.039 |
Low | 0.032 | 0.039 | |
Moderate | 0.037 | 0.039 | |
Severe | 0.043 | 0.041 |
Threshold | Cotonou | Urbain | Rural | |
---|---|---|---|---|
10% | Before COVID-19 | 0.188 | 0.155 | 0.166 |
Low | 0.194 | 0.17 | 0.172 | |
Moderate | 0.208 | 0.177 | 0.175 | |
Severe | 0.215 | 0.198 | 0.194 | |
20% | Before COVID-19 | 0.076 | 0.085 | 0.085 |
Low | 0.076 | 0.087 | 0.087 | |
Moderate | 0.097 | 0.095 | 0.087 | |
Severe | 0.104 | 0.102 | 0.101 | |
30% | Before COVID-19 | 0.056 | 0.052 | 0.048 |
Low | 0.056 | 0.058 | 0.051 | |
Moderate | 0.056 | 0.06 | 0.056 | |
Severe | 0.063 | 0.065 | 0.065 | |
40% | Before COVID-19 | 0.035 | 0.037 | 0.031 |
Low | 0.035 | 0.04 | 0.031 | |
Moderate | 0.042 | 0.04 | 0.034 | |
Severe | 0.049 | 0.048 | 0.034 |
1 | Note that in the absence of information on job loss by gender and residence within the sector of activities, we assume independence between the sector of activity, gender, and residence. With the absence of job status of individuals who have lost their job, we assume a random selection of job loss within each sector, each gender, and each residence. Hence, we assume that the percentage of job loss equals the percentage of income loss. |
2 | In the absence of information on the gender composition of the INSAE BENIN (2020) study, we assume that this study is nationally representative, so we used the gender composition of the Harmonised Survey on Living Conditions of Households in Benin (INSAE BENIN, 2019). These data indicated that 78.55% and 21.45% of heads of households were men and women, respectively. |
3 | Recall that within the same household, members can have different branches of activity, places of residence, and genders. To take into consideration the composition of households, we calculated the income loss coefficient at the individual level and then aggregated it at the household level. |
4 | The Chi-2 distance of the CDM test was 27.63, and the p-value equaled 0.016. |
5 | For a better visualisation of the plot, we limited the upper value of the distribution of income to 100,000 F CFA. Full descriptive statistics are reported in Table 4. |
6 | For a better visualisation of the plot, we limited the upper value of the distribution of health expenditures to 10000 F CFA. Plots for low and moderate shocks are reported in Figure A1 and Figure A2 in Appendix A. Full descriptive statistics are reported in Table A3 in Appendix A. |
7 | The full descriptive statistics are reported in Table A4 in Appendix A. |
8 | The full descriptive statistics are reported in Table A5 in Appendix A. |
9 | The full descriptive statistics are reported in Table A6 in Appendix A. |
10 | Benin’s government has taken steps towards expanding health coverage and addressing the challenges faced by the poorest populations. The establishment of the Assurance pour le renforcement du capital humain (ARCH) in 2019 aimed to provide a holistic approach to social insurance, including health insurance. Through this programme, individuals from the poorest strata have been identified and enrolled, benefiting from free treatment in public health facilities. |
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Income Loss | Obs | Mean | Std. Dev. | Min | Max |
---|---|---|---|---|---|
Low shock | 899 | 0.058 | 0.042 | 0.000 | 0.316 |
Moderate shock | 899 | 0.116 | 0.083 | 0.000 | 0.631 |
Severe shock | 899 | 0.201 | 0.101 | 0.035 | 0.947 |
Activity | Percent |
---|---|
1. Agriculture, fishing, and forestry | 47.49 |
2. Mining | 0.52 |
3. Manufacturing | 14.57 |
4. Water, electricity, and gas | 0.04 |
5. Construction | 1.12 |
6. Wholesale and retail trade, repair of motor vehicles, and other motors. | 28.58 |
7. Hotels and restaurants | 0.52 |
8. Transport and communication | 1.61 |
9. Financial activities | 0.07 |
10. Real estate, leasing, and business services | 0.30 |
11. Public administration services | 0.52 |
12. Education | 1.57 |
13. Health and social work activities | 0.19 |
14. Associative activities | 0.15 |
15. Arts, entertainment, and recreation | 0.19 |
16. Personal service activities | 2.36 |
17. Housework and other home services | 0.19 |
Total | 100.00 |
(a) Household Characteristics | |||||
---|---|---|---|---|---|
Variable | Number of Observations | Mean/Percent | |||
Access to clean water (1 if access to clean; 0 otherwise) | 7956 | 0.095 | |||
Access to electricity (1 if yes; 0 otherwise) | 7956 | 0.31 | |||
Health insurance (1 if yes; 0 otherwise) | 7956 | 0.06 | |||
Job status (1 if has a job; 0 otherwise) | 5967 | 0.97 | |||
Gender (1 if male: 0 if female) | 7956 | 0.49 | |||
Diseases | |||||
Malaria | 4533 | 56.97 | |||
Accident | 920 | 11.56 | |||
Cough | 1401 | 17.61 | |||
Blood pressure and diabetes | 1103 | 13.86 | |||
Total | 7956 | 100 | |||
Residence | |||||
Cotonou | 570 | 7.16 | |||
Urban | 3175 | 39.91 | |||
Rural | 4211 | 52.93 | |||
Total | 7956 | 100 | |||
Category of employee | |||||
Higher manager | 345 | 4.34 | |||
Medium manager | 1141 | 14.34 | |||
Unskilled worker | 5134 | 64.53 | |||
Paid intern | 420 | 5.28 | |||
House worker | 128 | 1.61 | |||
Independent | 787 | 9.89 | |||
Total | 7956 | 100 | |||
Education | |||||
Primary | 2274 | 28.58 | |||
Secondary | 4044 | 50.83 | |||
Higher | 1638 | 20.59 | |||
Total | 7956 | 100 | |||
(b) Household characteristics (F CFA) | |||||
Variable | Number of Observations | Mean | Std. Dev. | Min | Max |
Household Income (CFA) | 899 | 91,882 | 205,002 | 0 | 3,000,000 |
Household Health Expenditures | 899 | 2159 | 4655 | 0 | 50,250 |
(a) Before and after COVID-19 incomes (F CFA) | |||||
---|---|---|---|---|---|
Variable | Obs | Mean | Std. Dev. | Min | Max |
Before COVID-19 | 899 | 91,882 | 205,002 | 0 | 3,000,000 |
After low shock | 899 | 86,545 | 193,570 | 0 | 2,835,360 |
After moderate shock | 899 | 81,209 | 182,268 | 0 | 2,670,720 |
After severe shock | 899 | 70,565 | 160,143 | 0 | 2,341,441 |
(b) Before and after COVID-19 per capita incomes (F CFA) | |||||
Variable | Obs | Mean | Std. Dev. | Min | Max |
Before COVID-19 | 899 | 39,424 | 101,279 | 0 | 1,500,000 |
After low shock | 899 | 37,038 | 95,488 | 0 | 1,417,680 |
After moderate shock | 899 | 34,652 | 89,773 | 0 | 1,335,360 |
After severe shock | 899 | 29,909 | 78,619 | 0 | 1,170,720 |
Income Loss Coefficient (%) | Obs | Mean | Std. Dev. | Min | Max |
---|---|---|---|---|---|
Low shock | 899 | 5.79 | 4.15 | 0.00 | 31.56 |
Moderate shock | 899 | 11.58 | 8.30 | 0.00 | 63.11 |
Severe shock | 899 | 23.14 | 16.45 | 0.00 | 100.00 |
Age Group | Low Shock | Moderate Shock | Severe Shock |
---|---|---|---|
Young (0–17) | |||
Mean | 7.52% | 15.04% | 29.90% |
Standard error | 5.31% | 10.63% | 20.55% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 31.56% | 63.11% | 100.00% |
Adult (18–66) | |||
Mean | 6.57% | 13.13% | 26.27% |
Standard error | 3.19% | 6.39% | 12.78% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 12.67% | 25.34% | 50.67% |
Elderly (>66) | |||
Mean | 5.28% | 10.55% | 21.10% |
Standard error | 3.85% | 7.71% | 15.42% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 24.11% | 48.22% | 96.43% |
Head of household gender | Low shock | Moderate shock | Severe shock |
Female | |||
Mean | 4.12% | 8.23% | 16.46% |
Standard error | 2.73% | 5.46% | 10.92% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 17.26% | 34.51% | 69.02% |
Male | |||
Mean | 7.37% | 14.74% | 29.43% |
Standard error | 4.62% | 9.24% | 18.22% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 31.56% | 63.11% | 100.00% |
Head of household education | Low shock | Moderate shock | Severe shock |
Primary or below | |||
Mean | 5.62% | 11.24% | 22.48% |
Standard error | 3.51% | 7.02% | 14.04% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 11.58% | 23.16% | 46.32% |
Secondary | |||
Mean | 7.27% | 14.54% | 29.08% |
Standard error | 4.18% | 8.35% | 16.71% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 24.11% | 48.22% | 96.43% |
Higher | |||
Mean | 9.29% | 18.59% | 36.46% |
Standard error | 5.84% | 11.68% | 20.84% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 31.56% | 63.11% | 100.00% |
Place of residence | Low shock | Moderate shock | Severe shock |
Cotonou | |||
Mean | 7.80% | 15.59% | 31.01% |
Standard error | 3.59% | 7.17% | 13.25% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 31.56% | 63.11% | 100.00% |
Urban | |||
Mean | 5.89% | 11.77% | 23.55% |
Standard error | 4.33% | 8.66% | 17.32% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 24.11% | 48.22% | 96.43% |
Rural | |||
Mean | 4.87% | 9.74% | 19.49% |
Standard error | 3.86% | 7.72% | 15.44% |
Minimum | 0.00% | 0.00% | 0.00% |
Maximum | 23.17% | 46.34% | 92.67% |
GINI Index | BEFORE | LOW | MODERATE | SEVERE |
---|---|---|---|---|
Overall | 0.622 | 0.623 | 0.624 | 0.628 |
Young | 0.577 | 0.579 | 0.583 | 0.598 |
Adult | 0.550 | 0.548 | 0.546 | 0.544 |
Elderly | 0.640 | 0.640 | 0.641 | 0.647 |
(a) Gini index by gender and severity of shock. | ||||
---|---|---|---|---|
GINI index | BEFORE | LOW | MODERATE | SEVERE |
Overall | 0.622 | 0.623 | 0.624 | 0.628 |
Women | 0.672 | 0.672 | 0.672 | 0.673 |
Men | 0.562 | 0.562 | 0.563 | 0.571 |
(b) Gini index by education level and severity of shock. | ||||
GINI index | BEFORE | LOW | MODERATE | SEVERE |
Overall | 0.622 | 0.623 | 0.624 | 0.628 |
Primary and below | 0.490 | 0.488 | 0.487 | 0.485 |
Secondary | 0.573 | 0.574 | 0.577 | 0.586 |
Higher | 0.377 | 0.383 | 0.393 | 0.405 |
(c) Gini index by place of residence and severity of shock. | ||||
GINI index | BEFORE | LOW | MODERATE | SEVERE |
Overall | 0.622 | 0.623 | 0.624 | 0.628 |
Cotonou | 0.695 | 0.698 | 0.703 | 0.715 |
Urban | 0.559 | 0.561 | 0.563 | 0.575 |
Rural | 0.599 | 0.599 | 0.600 | 0.606 |
Log (Health Expenditure) | Coef. | St. Err. | [95% Conf | Interval] |
---|---|---|---|---|
Log (income) | 0.292 *** | 0.089 | 0.117 | 0.466 |
Gender head household (ref = female) | ||||
Male | −0.191 | 0.181 | −0.546 | 0.165 |
Log (Age) | 0.035 ** | 0.017 | 0.002 | 0.067 |
Log (Age square) | −0.001 ** | 0.000 | −0.001 | 0.000 |
Education of head household (ref = primary) | ||||
Secondary | −0.124 | 0.231 | −0.576 | 0.328 |
Higher | −0.221 | 0.309 | −0.825 | 0.384 |
Health coverage (ref = no) | −0.362 | 0.435 | −1.215 | 0.490 |
Residence (ref = Cotonou) | ||||
Urban | −0.523 ** | 0.252 | −1.017 | −0.029 |
Rural | −0.731 *** | 0.274 | −1.268 | −0.194 |
Cough last 3 months (ref = no) | 1.817 *** | 0.414 | 1.004 | 2.629 |
High blood pressure (ref = no) | 2.729 *** | 0.679 | 1.397 | 4.060 |
Malaria last 3 months (ref =no) | 0.637 *** | 0.269 | 0.110 | 1.164 |
Road accident last 3 months (ref = no) | 3.292 *** | 0.958 | 1.414 | 5.170 |
Constant | 3.579 *** | 0.994 | 1.631 | 5.527 |
Random-effects parameters | ||||
Intercept at household level | 1.383 | 0.405 | 0.779 | 2.456 |
Residual variance | 2.281 | 0.387 | 1.635 | 3.181 |
Mean dependent var | 2.078 | |||
Number of obs | 78.188 | |||
Prob > chi2 | 1761.402 |
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Honlonkou, A.N.; Bassongui, N.; Daraté, C.B. Effects of COVID-19 on Catastrophic Health Expenditures and Inequality in Benin: A Microsimulation Approach. Economies 2025, 13, 222. https://doi.org/10.3390/economies13080222
Honlonkou AN, Bassongui N, Daraté CB. Effects of COVID-19 on Catastrophic Health Expenditures and Inequality in Benin: A Microsimulation Approach. Economies. 2025; 13(8):222. https://doi.org/10.3390/economies13080222
Chicago/Turabian StyleHonlonkou, Albert N., Nassibou Bassongui, and Corinne B. Daraté. 2025. "Effects of COVID-19 on Catastrophic Health Expenditures and Inequality in Benin: A Microsimulation Approach" Economies 13, no. 8: 222. https://doi.org/10.3390/economies13080222
APA StyleHonlonkou, A. N., Bassongui, N., & Daraté, C. B. (2025). Effects of COVID-19 on Catastrophic Health Expenditures and Inequality in Benin: A Microsimulation Approach. Economies, 13(8), 222. https://doi.org/10.3390/economies13080222