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Research Article

The discounted value of human lives lost due to COVID-19 in France

[version 1; peer review: 2 approved]
PUBLISHED 15 Oct 2020
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This article is included in the Coronavirus (COVID-19) collection.

Abstract

Background: This study estimates the total discounted value of human lives lost (TDVHL) due to COVID-19 in France as of 14 September 2020.
Methods: The human capital approach (HCA) model was used to estimate the TDVHL of the 30,916 human lives lost due to COVID-19 in France; i.e., assuming a discount rate of 3% and the national average life expectancy at birth of 83.13 years. To test the robustness of the estimated TDVHL, the model was rerun (a) using 5% and 10% discount rates, while holding the French average life expectancy constant; and (b) consecutively substituting national life expectancy with the world average life expectancy of 73.2 years and the world highest life expectancy of 88.17 years. 
Results: The human lives lost had a TDVHL of Int$10,492,290,194, and an average value of Int$339,381 per human life lost. Rerun of the HCA model with 5% and 10% discount rates decreased TDVHL by Int$1,304,764,602 (12.4%) and Int$3,506,938,312 (33%), respectively. Re-calculation of the model with the world average life expectancy decreased the TDVHL by Int$7,750,187,267 (73.87%). Contrastingly, re-estimation of the model with the world’s highest life expectancy augmented TDVHL by Int$3,744,263,463 (35.7%).
Conclusions: The average discounted economic value per human life lost due to COVID-19 of Int$339,381 is 8-fold the France gross domestic product per person. Such evidence constitutes an additional argument for health policy makers when making a case for increased investment to optimise France’s International Health Regulation capacities and coverage of essential health services, and safely managed water and sanitation services.

Keywords

Coronavirus disease, COVID-19, France, Gross Domestic Product, Value of human life

Introduction

France is one of the seven major advanced economies (G7 countries). The country has an estimated population of 64.994 million; a total gross domestic product (GDP) of Int$3,161.335 billion; and GDP per capita of Int$41,637.729 in 20201. In 2018, approximately 10,918,992 (16.8%) of the population lived below France’s poverty threshold of €1,008 per month of disposable income2. France has an inequality-adjusted human development index of 0.808 and a Gini coefficient of 32.73.

By 14 September 2020, there were 29,182,605 coronavirus disease-19 (COVID-19) cases in the world, including 928,281 deaths, 21,027,161 recovered cases, and 7,227,163 active cases4. Europe had a total of 4,080,753 COVID-19 cases, including 212,545 deaths, 2,245,583 recovered cases, and 1,622,625 active cases. On the same date, France had conducted a total of 10 million COVID-19 tests that revealed a total of 381,094 COVID-19 cases, which included 30,916 deaths, 89,059 recovered cases, and 261,119 active cases4. France bore 9.3% of total cases and 14.55% of total COVID-19 deaths in Europe. France’s densities of 5,836 COVID-19 cases and 473 deaths per million population were higher than Germany’s densities of 3,117 cases and 112 deaths per million population.

Four factors might explain the relatively large number of COVID-19 deaths sustained by France. First, there was more than two months’ delay in country-wide implementation of public health interventions that could have prevented (or slowed) transmission and spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). There is evidence that COVID-19 was already spreading in France by late December 20195. However, the government only banned in mid-March 2020 gatherings of more than 100 people; the opening of non-essential public establishments; anchoring in inland and territorial waters of ships carrying more than 100 passengers; opening public establishments; opening schools and institutes of higher education; all religious gatherings; and embalming of dead bodies6.

Second, the average of 13 International Health Regulations (IHR) core capacity score for France was 82 (on a scale of 0 to the target of 100) in 20197,8, denoting an overall IHR capacity gap of 18. As shown in Table 1, the country had IHR capacity gaps of 33 in legislation and financing, 20 in zoonotic events and the human-animal interface, 20 in food safety, 27 in laboratory, 20 in human resources, 27 in national health emergency framework, 7 in health service provision, 20 in risk communication, and 60 in points of entry9. The latter gap denotes suboptimal capacity at ports/airports/ground crossings for coordination and communication of pandemic surveillance; and appropriate medical diagnosis, isolation and care of ill travellers. The French points of entry capacity score of 40 were lower than the average score for the World Health Organization (WHO) European Region (EUR) of 61 by 52.2%.

Table 1. International Health Regulations (IHR) capacity scores in France in 2019.

IHR capacitiesFrance IHR
capacity
score
WHO European
Region IHR
capacity score
Legislation and Financing6780
IHR Coordination and National IHR Focal Point
Functions
10087
Laboratory7373
Surveillance10084
Human Resources8071
National Health Emergency Framework7373
Health Service Provision9373
Risk Communication8066
Points of Entry4061
Zoonotic Events and the Human-animal Interface8080
Food Safety8077
Chemical Events10069
Radiation Emergencies10077
MEAN8275

Source: World Health Organization9.

Second, as shown in Table 2, generally the health system indicators for France are better than the EUR averages.

Table 2. Comparison of the health system and social determinants of health indicators in France with the World Health Organization European Region (EUR) averages.

Health indicatorsValue in
France
Average
value in EUR
Health workforce indicators (2017)10,11
Medical doctors per 10,000 population32.6734.1
Nursing and midwifery personnel per 10,000 population114.781.3
Dentists per 10,000 population6.675.7
Pharmacists per 10,000 population10.646.8
Medical devices indicators10,11
Linear accelerators per million population (2013)7.4 N/A
Telecobalt units per million population (2013)0.11 N/A
Radiotherapy units per million population (2013)7.513.9
Magnetic Resonance Imaging per million population (2013)10.13N/A
Infrastructure indicators10,11
Hospital beds per 10,000 population in 201859.1 N/A
Essential health service coverage indicators in 201712
Universal health coverage index of service coverage (UHC SCI)7877
UHC SCI components: Reproductive, maternal, newborn and child
health
9686
UHC SCI components: Infectious diseases7173
UHC SCI components: Non-communicable diseases5661
UHC SCI components: Service capacity and access9694
Catastrophic out-of-pocket health spending (SDG indicator 3.8.2)10,11
Population with household expenditures on health greater than 10%
of total household expenditure or income (SDG 3.8.2) in 2010 (%)
1.426.27
Population with household expenditures on health greater than 25%
of total household expenditure or income (SDG indicator 3.8.2) in
2010 (%)
0.221.15
Current Health Expenditure (CHE) per Capita in Int$5,011.22923
Domestic General Government Health Expenditure as % of CHE77.0965.0
Domestic Private Health Expenditure as % of CHE22.9135.0
Out-of-Pocket Expenditure as % of CHE9.3830.4
CHE as % Gross Domestic Product (GDP)11.317.78
Domestic general government health expenditure as percentage of
GDP (%)
8.724.92
Social Determinants of Health
Population using safely managed drinking water services (%)10,1197.8592
Population using safely managed sanitation services (%) in 201710,1188.3768
Total labour force unemployed (%)18.4317.6

Source: WHO1,1012. Note: N/A - means not available.

The density of 32.67 medical doctors per 10,000 population was lower than the average of 34.1 for EUR by 4.38%. Nursing and midwifery personnel, dentists, and pharmacist densities in France were 29.12%, 14.54%, and 36.09%, higher than EUR averages. The French density of radiotherapy units per million population of 7.51 was 48.07% higher than the EUR average. The current health expenditure (CHE) per capita of Int$5,011.2 in France was 41.67% higher than the EUR average of Int$2,923. The out-of-Pocket expenditure as a percentage of CHE of 9.38% in France was 224%% higher than the EUR average of 30.4%. The universal health coverage (UHC) service coverage index (UHC SCI) for France was 78%, signifying a gap in coverage of essential health services of 22%12. The UHC SCI component of reproductive, maternal, new-born and child health; infectious diseases; non-communicable diseases; and service capacity and access had gaps of 4, 29, 44 and 4, respectively.

About 14,298,680 (0.22%) of the population’s health spending was higher than 25% of total household income, which reflects a very high risk of catastrophic and impoverishing health care expenditures. About 97.85% and 88.37% of the French population, respectively, use safely-managed drinking-water and sanitation services11; signifying that 1,397,371 (2.15%) and 7,558,802 (11.63%) people do not have access.

The type of economic evidence reported in this paper could be an essential input when health policy-makers make a case for increased investment in optimizing the IHR capacities, coverage of essential health services, and coverage of safely managed water and sanitation services to more effectively prevent and manage the current COVID-19 pandemic and future public health emergencies1321.

A few macroeconomic studies have estimated the impact of the COVID-19 pandemic on business conditions in France22. However, there is a shortage of information on the value of human lives lost due to the pandemic. This study estimates the total discounted value of human lives lost (TDVHL) due to COVID-19 in France as of 14 September 2020.

Methods

Ethical statement

The study relied totally upon the analysis of secondary data contained in the International Monetary Fund (IMF), WHO, Worldometer, and Santé Publique France databases that are freely available to the public. Therefore, ethical clearance was not required.

Study location

This investigation of the value of human life was conducted on the cumulative number of persons who died of COVID-19 by 14 September 2020 in France. The study was a cross-sectional study. All the 30,916 COVID-19 people reported to have died from COVID-19 as of 14 September 2020 in France were included in the study.

Human capital approach model

This study applied the human capital approach (HCA), initially suggested by Adam Smith in 177623, to estimate the monetary value of human life. The Organisation for Economic Co-operation and Development24 defines human capital as “The knowledge, skills, competencies and attributes (including stock of health) embodied in individuals that facilitate [the] creation of personal, social and economic wellbeing” (p.18).

Death from COVID-19 (or any other disease or injury) extinguishes the potential of a person to tap into one’s stock of human capital either for personal development and enjoyment of leisure or to enhance societal cultural and socioeconomic wellbeing. A person’s capacity for personal development, enjoyment of life (or flourishing)25, loving, religious practice, and performing expected societal roles ends upon death. It is also true that death halts individuals’ spending on the consumption of goods and services, investments, government services (including payment of fees and taxes), and imports permanently. In other words, death terminates an individual’s potential contribution to the creation of national output or GDP. Following the death of a human being at any stage of life, society losses not only the statistical person’s contribution to GDP but also other intangible contributions, e.g. child’s joy to parents, love to family and friends, companionship, fellowship, comradeship, sharing of knowledge (written or tacit) and social values.

Weisbrod26 suggested measuring lost human capital as a result of premature death from any cause in terms of the deceased person’s discounted future earnings net of their consumption26. In line with our past research1321, the current study uses net GDP per capita (i.e. GDP per capita of France minus current health expenditure per person) to value human lives lost due to COVID-19 in France.

The TDVHL in France (TDVHLFRANCE) due to COVID-19 is the sum of DVHL among persons aged 0–14 years, 15–44 years, 45–64 years, 65–74 years, and 75 years and over1321. Formally1321:

TDVHLFRANCE=i=1i=5DVHLi(1)

Where: DVHLi is the discounted value of human lives lost due to COVID-19 in ith age group; i=1 is age 0–14 years, i=2 is age 15–44 years, i=3 is age 45–64 years, i=4 is age 65–74 years, and i=5 is age 75 years and over; i=1i=5 is the sum of the discounted values of human lives lost in age groups denoted by number 1 to 5.

The DVHLi in each of the five age groups was calculated using the following formula1321:

DVHLi=t=1t=n(1(1+1)t)×(Y1Y2)×(Y3Y4)×(Y5×Y6)(2)

Where: t=nt=1 is the sum from the first year of life lost (t=1) to the last years of life lost (t=n); Y1 is the GDP per capita of France; Y2 is the current health expenditure per person in France; Y3 is the average life expectancy at birth in France; Y4 is the average life expectancy at the onset of death in the ith age group; Y5 is the total number of COVID-19 deaths in France as of 14 September 2020; Y6 is the proportion of total COVID-19 deaths borne by those in the ith age group. The baseline for the analysis is 2020.

Data and data sources

The data analysed in this paper and the sources are contained in Table 3.

Table 3. Data and data sources.

VariableDataData sources
Per capita GDP in France
(Y1)
Int$41,637.729International Monetary
Fund World Economic
Outlook Database1
Per capita current health
expenditure in France
(Y2)
Int$5011.20068359World Health Organization
Global Health Expenditure
Database27
Average life expectancy
at birth (ALE) in 2020 (Y3)
France ALE = 83.13 years; world ALE = 73.2 years; Hong Kong female ALE
(world highest) = 88.17 years
Worldometer Life
Expectancy Database28
Average age at onset of
death (Y4)
0–14 years = 7 years; 15–44 years = 29.5 years; 45–64 years =54.5 years; 65–74
years = 69.5 years; and 75 years and over = 75 years
Authors’ estimates
Total number of human
lives lost from COVID-
19 in France by 14
September 2020 (Y5)
30,916Worldometer France
COVID-19 Pandemic
database4
Proportion of COVID-19
deaths per age group in
France (Y6)
0–14 years = 0.000148706; 15–44 years = 0.010905125; 45–64 years
= 0.103747398; 65–74 years = 0.179389313; and 75 years and over =
0.705809458.
Santé Publique France
COVID-19: epidemiological
update of 10 September
202029
Proportion of COVID-19
deaths per region and
territory in France
Auvergne-Rhône-Alpes = 0.088576363; Bourgogne-Franche-Comté =
0.052553664; Bretagne= 0.013274118; Centre-Val de Loire = 0.02842339;
Corse = 0.002911424; Grand Est = 0.182186035; Hauts-de-France =
0.096422403; Ile-de-France = 0.383222304; Normandie = 0.022156427;
Nouvelle-Aquitaine = 0.021761658; Occitanie = 0.026449544; Pays de la Loire
= 0.024623736; Provence-Alpes-Côte d’Azur = 0.050185048; La Réunion =
0.0006415; Martinique = 0.000888231; Mayotte = 0.001381693; Guadeloupe =
0.001480385; Guyane = 0.002862077.
Santé Publique France
COVID-19: epidemiological
update of 10 September
202029
Discount rate3%, 5%, 10%Related published
studies1321

Data analysis

The human capital model was analysed using Excel 2016 software (Microsoft, New York). The study reported in this paper replicates steps that were developed and applied in our recent valuation of human life studies related to COVID-191315,1721.

Step 1: Estimation of net GDP per capita (NGDPC) as the difference between per capita GDP (PCGDP) and current health expenditure per capita (CHEPC) for France. Thus, NGDPC = PCGDP – CHEPC = (Int$41637.729 – Int$5011.20068359) = Int$36,626.53.

Step 2: Estimation of the undiscounted years of life lost (UYLL) from COVID-19 in France between December 2019 and 14 September 2020.

(a) Calculation of average ages of onset of death (AAOD) from COVID-19 for each of the five age groups. This entailed taking simple averages for each age group, e.g. for AAOD for 0–14 age group = (0+14)/2 = 7 years.

(b) Calculation of YLL by one person who died of COVID-19 in the age group as the difference between national average life expectancy for France and the AAOD for the specific age group. For example, YLL by a person dead in the age group 0–14 years = national average life expectancy for France (83.13 years) minus AAOD for the group (7 years) = 76.13 years. Thus, the YLL for one person who died in each of the five age groups was obtained similarly (see Table 4).

Table 4. Undiscounted years of life lost per person due to COVID-19 in France by 14 September 2020.

Age group
(years)
(A) Average life
expectancy at birth
in years in France
(B) Average
age at onset
of death
(C) Years of life
lost per person
in the age group
[C = A – B]
(D) COVID-19
death by age
group
(E) Total years of
life lost per age
group [E = C x D]
0–1483.137764.597402597349.40
15–4483.1329.554337.142857118,205.71
45–6483.1354.5293207.45454593,016.18
65–7483.1369.514554677,644.00
75+83.1375821820.80519174,566.44
TOTAL30,916363,781.74

(c) Total UYLL in each age group = UYLL per deceased person in age group multiplied by the number of persons who died in an age group. For example, total UYLL in 0-14 age group = 76 years’ x 4.5974025974026 persons dead = 349.40 undiscounted YLL.

Step 3: Discounting of the years of life lost (DYLL).

(a) A discount rate of 3% was chosen because it has been used in our previous COVID-19 related economic studies1321, the economic evaluation of public health problems in Africa30, the World Health Report 200031, the burden of disease32, and the World Bank Disease Control Priorities study33.

(b) Calculation of the discount factors applying the discount factor formula: (1(1+r)t). The discount factor for first YLL = (1(1+0.03)1) = 0.970873786407767; discount factor for second YLL = (1(1+0.03)2) = 0.942595909133754; discount factor for third YLL = (1(1+0.03)3) = 0.91514165935316; …, discount factor for the final YLL (which is 76.13 years for 0–14 years) = (1(1+0.03)76.13) = 0.105772050189903.

(c) Calculation of DYLL per deceased person in age group. DYLL in year 1 = discount factor in year one x UYLL in year one = 0.970873786407767 × 1 = 0.970873786407767. DYLL in year 2 = discount factor in year two × UYLL per person in year two = 0.942595909133754 × 1 = 0.942595909133754. DYLL in year 3 = discount factor in year three × UYLL per person in year three = 0.91514165935316 × 1 = 0.91514165935316. DYLL in the last YLL (e.g. 76th year for 0–14 years) = discount factor in 76th year × UYLL per person in 76th year = 0.105772050189903 × 1 = 0.105772050189903.

(d) Estimation of total DYLL per deceased person in age group is equivalent to the sum of discount factors from year one to the last year of life.

(e) Total DYLL in each age group = DYLL per deceased person in age group multiplied by number of persons who died in age group. Therefore: UYLL in 0–14 age group = 29.80759833 × 4.597402597 = 137.04 discounted YLL (see Table 5).

Table 5. Discounted years of life lost per age groups due to COVID-19 in France.

Age group
(years)
(A) Discounted years of
life lost per life lost in
age group
(B) COVID-19
death by age
group
(C) Total discounted
years of life lost per
age group [C = A x B]
0–1429.807598334.597402597137.04
15–4426.57766047337.14285718,960.47
45–6419.188454593207.45454561,546.10
65–7411.29607314554662,648.02
75+7.0196921921820.80519153,175.34
TOTAL30,916 286,466.96

Step 4: Estimation of the total number of COVID-19 deaths in age group (COVID-19Dj) equals the total number of COVID-19 deaths in France (TCOVID-19D) multiplied by the proportion (PROP) for that age group. For example, number of COVID-19 deaths in age group 0–14 years = TCOVID-19D × PROP = 30,916 × 0.000148706 = 4.597402597. The number of COVID-19 for each age group are in Table 6.

Table 6. Cumulative number of COVID-19 deaths per age group in France by 14 September 2020.

Age group
(years)
(A) COVID-19
deaths in France
(B) Proportion
for age group
(C) Number of deaths per
age group [C = A x B]
0–1430,9160.0001487064.597402597
15–4430,9160.010905125337.1428571
45–6430,9160.1037473983,207.454545
65–7430,9160.1793893135,546
75+30,9160.70580945821,820.80519
TOTAL30,916

Step 5: Estimation of the discounted economic value of human lives lost due to COVID-19 in each age jth group = NGDPC × DYLLj × COVID-19Dj. For instance, DVHL for age group 0-14 = Int$36,626.53 × 29.80759833 × 4.5974025974026 =Int$5,019,209.

Step 6: Calculation of the share of TDVHL accruing to the 13 regions and five territories of France29 through multiplication of the TDVHL by proportion of COVID-19 deaths sustained by specific region and territory.

Step 7: A one-way sensitivity analysis was performed to evaluate the effect of changes in discount rate and the average life expectancy on the estimated TDVHL. This entailed recalculating the HCA model with (a) 5% and 10% discount rates1321 and (b) the world average life expectancy of 73.2 years and the world highest average life expectancy of 88.17 years, i.e. the average life expectancy of Hong Kong women4. The model was reanalysed while holding all other parameters constant.

Results

The cumulative 30,916 human lives lost from COVID-19 by 14 September 2020 in France resulted in a total of 363,781.74 undiscounted years of life lost; which was equivalent to a total of 286,466.96 discounted years of life lost.

Findings from the HCA model: assuming a national life expectancy of 83.13 years and a 3% discount rate

Table 7 depicts the distribution by age group of the TDVHL of the 30,916 human lives lost due to COVID-19 in France by 14 September 2020.

Table 7. Discounted value of human life losses linked to COVID-19 in France, using the national average life expectancy of 83.13 years and a discount rate of 3% (in 2020 Int$).

Age group
(years)
Discounted value of human life
losses at 3% discount rate (Int$)
Average discounted value per
human life lost in an age group (Int$)
0–145,019,2091,091,749
15–44328,190,849973,447
45–642,254,219,824702,806
65–742,294,579,538413,736
75+5,610,280,774257,107
TOTAL10,492,290,194339,381

The human lives lost to COVID-19 had a TDVHL of Int$10,492,290,194, and an average value of Int$339,381 per human life lost. Out of the TDVHL, 0.05% was borne by persons aged 0–14 years, 3.13% by 15–44 years, 21.48% by 45–64 years, 21.87% by 65–74 years, and 53.47% by 75 years and above. Around 46.48% of the TDVHL accrued to persons aged 15 and 74 years. The average TDVHL decreases with increase in age of the deceased, e.g. the average TDVHL for 0–14-year-olds is three-fold that of 75-year-olds and above.

Distribution of the total discounted value of human life by regions and territories. Figure 1 depicts the share of TDVHL across the 13 regions and five territories of France.

39ee2d88-6899-4ab1-8dc1-b01eca7ed90e_figure1.gif

Figure 1. Regional and territorial distribution of the discounted value of human lives lost from COVID-19 in France as of 14 September 2020 (Int$).

About 80.3% of the TDVHL accrued to only five regions of France, i.e. Auvergne-Rhône-Alpes, Bourgogne-Franche-Comté, Grand Est, Hauts-de-France, and Ile-de-France. Grand Est, Hauts-de-France, and Ile-de-France regions alone accounted for 66.18% of the TDVHL. The territories combined made up less than 1% of TDVHL.

Findings from the HCA model: assuming 5% and 10% discount rates holding national life expectancy and other parameters constant

Table 8 presents the effects of the application of 5% and 10% discount rates on the TDVHL due to COVID-19 in France.

Table 8. Discounted value of human life losses linked to COVID-19 in France, using 5% and 10% discount rates (in 2020 Int$).

Age group
(years)
Discounted value of
human life losses at 5%
discount rate (Int$)
Discounted value of
human life losses at 10%
discount rate (Int$)
0–143,285,1431,682,665
15–44229,249,331122,765,261
45–641,778,741,9021,100,721,858
65–742,010,718,1211,496,400,572
75+5,165,531,0954,263,781,526
TOTAL9,187,525,5936,985,351,882
Discounted value
per human life
297,177225,946

Rerun of the HCA model, alternately, with discount rates of 5% and 10% resulted in decreased TDVHL by Int$1,304,764,602 (12.4%) and Int$3,506,938,312 (33%), respectively. The average values per human life lost declined by Int$42,204 and Int$113,434 in turn.

Findings from the HCA model: assuming the world and world's highest average life expectancies

Table 9 displays the impact on the TDVHL of substituting the national life expectancy with the world and world's highest average life expectancies.

Table 9. Discounted value of human lives lost from COVID-19 in France, assuming the world and world's highest average life expectancies (in 2020 Int$ or purchasing power parity [PPP].

Age group (years)Discounted value of human
lives lost using world
average life expectancy of
73.2 years and 3% discount
rate (Int$)
Discounted value of
human lives lost using
world highest average life
expectancy of 88.17 years
and 3% discount rate (Int$)
0–144,815,030 5,100,776
15–44299,500,807 339,652,239
45–641,682,730,193 2,482,524,318
65–74755,056,897 2,909,603,712
75+0 8,499,672,611
TOTAL2,742,102,927 14,236,553,657
Discounted value
per human life
88,695460,491

Replacement of the national life expectancy of 83.13 years with the world average life expectancy of 73.2 years in the HCA model led to decreases in the total and average TDVHL of Int$7,750,187,267 (73.87%) and Int$250,685, respectively. Contrastingly, application of the world’s highest life expectancy of 88.17 years augmented total and average TDVHL by Int$3,744,263,463 (35.7%) and Int$121,111

Discussion

Recap of key findings

  • The 30,916 human lives lost to COVID-19 in France by 14 September 2020 had a TDVHL of Int$10,492,290,194, which is equivalent to 0.332% of France’s GDP.

  • The average value was Int$339,381 per human life lost, which is 8-times the GDP per capita for France in 2020.

  • Rerun of the HCA model with discount rates of 5% and 10% decreased TDEVHL by Int$1,304,764,602 (12.4 %) and Int$3,506,938,312 (33%), respectively.

  • Reanalysis of the HCA model with the world average life expectancy dwindled the TDVHL by Int$7,750,187,267 (73.87%). Instead, a recalculation with the world highest average life expectancy of 88.17 years augmented TDVHL by Int$3,744,263,463 (35.7%).

Contrasting of study findings with those from other countries

The sensitivity analysis revealed that growth in discount rate triggers contraction in the TDVHL, and an upsurge in average life expectancy amplifies the TDVHL. The two findings are consistent with those of our previous studies conducted in Brazil14, Canada15, China16, Germany17, Iran13, Spain18, Turkey19, the United Kingdom (UK)20, and the United States of America (USA)21.

The China16 and Spain18 average values of Int$356,203 and Int$470,798 per human life loss associated with COVID-19 were 4.96% and 38.72% higher than the French average of Int$339,381. On the other hand, the French average economic value per human life of Int$339,381 was higher than those of Brazil of Int$99,62914, Canada of Int$231,21715, Germany of Int$132,96017, Iran of Int$165,18713, Turkey of Int$228,51419, the UK of Int$225,10420, and the USA of Int$292,88921 by 70.64%, 31.87%, 60.82%, 51.33%, 32.67%, 33.67%, and 13.70%, in that order. Our previous studies have attributed the differences to variations in underlying population age distributions, the YLL, the GDP per capita, and the per capita health spending1315,1721.

Practical implications of the study findings

Evidence on the economic value of human lives losses associated with COVID-19 may be useful to the Ministry of Public Health when advocating within the Government of France for sustaining or increasing investments into the national health system, disease surveillance and response system (including IHR core capacities), and other systems (e.g. water and sanitation) that tackle social determinants of health in the pursuit of the United Nations Sustainable Development Goal 3 to “Ensure healthy lives and promote well-being for all at all ages” and Goal 6 to “Ensure availability and sustainable management of water and sanitation for all” (p.14)34. Of course, the economic evidence reported in this paper is meant to complement the International Bill of Human Rights obliging the Government of France to assure every citizen’s realization of the right to life (Article 3) and to “..a standard of living adequate for the health and well-being of himself and of his family, including food, clothing, housing and medical care and necessary social services… (Article 25)” (p.76)35.

Suggestions for further economic studies

  • Comprehensive studies on the multidimensional impact of COVID-19 on household’s wellbeing.

  • Wide-ranging studies on the multi-sectoral impact of COVID-19 pandemic once the pandemic is eradicated.

  • Consumer choice behaviour analysis in respect to uptake of various COVID-19 prevention interventions, e.g. handwashing with soap, use of safely managed drinking water and sanitation, use of face masks, and patronage of alcohol bars during COVID-19.

  • Economic evaluations of cost and consequences of preventive interventions (including personal hygiene, physical distancing, safely managed human waste disposal, contact tracing, vaccines), diagnostics, and potential treatments for COVID-19. Where feasible, cost-effectiveness, cost-utility, and cost-benefit analyses ought to be designed and conducted alongside ongoing and envisaged clinical, and effectiveness randomized trials30,36.

Limitations of the study

First, HCA has been criticized for valuing non-market contributions to society at zero dollars37. For instance, traditional HCA values YLL among children below 14 years38, retired (62 years and above)38, homemakers (not employed outside the home), unemployed, and severely handicapped. In order to avoid discrimination against these vulnerable groups, which goes against the 1948 United Nations Universal Declaration of Human Rights35 and the Constitution of the World Health Organization39, YLL at all the age groups were valued at equal net GDP per capita.

Second, the current study did not compare the costs and benefits of a raft of alternative preventive community-level interventions implemented by the French Government and citizens to limit transmission of COVID-19, e.g. bans on gatherings of more than 100 people, all religious gatherings, all travel, ships carrying more than 100 passengers, and embalming; closure of most public establishments, all schools and institutions of higher learning; and mandatory mask-wearing in public places40. It was also outside the scope of the current study to appraise the costs and benefits of various options for diagnosis of COVID-19, contact tracing, quarantine, and management of persons who test positive for COVID-19 .

Finally, Stiglitz, Sen and Fitoussi41 have criticized GDP for not measuring economic wellbeing (or quality of life), ignoring income inequalities, and disregarding environmental damage caused by production processes.

Conclusion

The discounted value per human life loss of Int$339,381 is 8-fold the GDP per person of France. Such evidence constitutes an additional argument for health policy makers when making a case for increased investment to optimize IHR capacities, and coverage of essential health services, and safely managed water and sanitation services. The other rationales for increased investments in the development of resilient health-related systems include the fact that a pandemic, such as COVID-19, can trigger health systems and socioeconomic crises of significant magnitudes42; and also the fact that every human being has the right to life35.

Data availability

All data underlying the results are available as part of the article and no additional source data are required.

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Kirigia JM, Muthuri RNDK, Nkanata LHK and Muthuri NG. The discounted value of human lives lost due to COVID-19 in France [version 1; peer review: 2 approved]. F1000Research 2020, 9:1247 (https://doi.org/10.12688/f1000research.26975.1)
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ApprovedThe paper is scientifically sound in its current form and only minor, if any, improvements are suggested
Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit.
Not approvedFundamental flaws in the paper seriously undermine the findings and conclusions
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Reviewer Report 28 Apr 2021
Neda Soleimanvandiazar, Preventive Medicine and Public Health Research Center, Psychosocial Health Research Institute, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran 
Approved
VIEWS 4
Introduction:
  • Comment: It would be better if the authors, in the introduction of the study explain the reason for the selection of 13 regions and 5 territories of France and as well how to select the
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Soleimanvandiazar N. Reviewer Report For: The discounted value of human lives lost due to COVID-19 in France [version 1; peer review: 2 approved]. F1000Research 2020, 9:1247 (https://doi.org/10.5256/f1000research.29797.r83336)
NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article.
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Reviewer Report 03 Dec 2020
Patricia Akweongo, Department of Health Policy, Planning and Management, School of Public Health, College of Health Sciences, University of Ghana, Legon, Ghana 
Approved
VIEWS 6
Specific Comments for the revision of the paper

Introduction Paragraph 4 line 1: Second, the average of 13 International Health Regulations (IHR) core capacity score for France was 82 (on a scale of 0 to the target of ... Continue reading
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Akweongo P. Reviewer Report For: The discounted value of human lives lost due to COVID-19 in France [version 1; peer review: 2 approved]. F1000Research 2020, 9:1247 (https://doi.org/10.5256/f1000research.29797.r73179)
NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article.

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Alongside their report, reviewers assign a status to the article:
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Approved with reservations - A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit.
Not approved - fundamental flaws in the paper seriously undermine the findings and conclusions
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