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The impact of air pollution on urban residents’health expenditure:
spatial evidence from Yangtze River Delta, China
Han Sun
1,2
&Zhihui Leng
1
&Hengsong Zhao
1
&Shan Ni
1
&Chao Huang
1
Received: 22 May 2020 /Accepted: 1 September 2020
#Springer Nature B.V. 2020
Abstract
Currently, preventing and controlling air pollution and inhibiting the excessively rapid growth of medical expenditures to reduce
the living burden of residents have become a focus of general concern of society as a whole. It is of great significance to conduct
an in-depth study of the relationship between air pollution and public health expenditure and clarify to what extent air pollution
affects health expenditure. Thus, this paper adopted spatial econometric methods to measure the impact of air pollution on
residents’health expenditure via panel data from 16 core cities in the Yangtze River Delta in China from 2005 to 2017. The
results indicate that (1) at present, the air pollution in the Yangtze River Delta core urban agglomeration is still relatively
prominent and has obvious spatial aggregation phenomena, and the particulate matter 2.5 (PM
2.5
) concentration shows the
characteristic of decreasing gradually from northwest to southeast; (2) air pollution is the main factor that promotes the increase
in residents’health expenditure; (3) the spatial spillover effect of air pollution is obvious, accounting for half of the total effect;
and (4) the impact of government public services on residents’health expenditure varies. Finally, this paper proposes corre-
sponding policy implications based on the findings.
Keywords Air pollution .Health expenditure .Spatial panel model .Yangtze River Delta
Introduction
Improving the quality of the air environment and the health
level of the people to alleviate the burden of medical expenses
on residents is a proposition put forward by major national
strategies in China, such as ecological civilization construc-
tion and healthy China. Air pollution has become the greatest
adverse environmental factor causing premature human death
(Zhou et al. 2019). The main pollutants considered by envi-
ronmental protection departments in China to evaluate and
rank the air quality of cities are sulfur dioxide (SO
2
), nitrogen
dioxide (NO
2
), inhalable particulate matter (PM
10
), particulate
matter (PM
2.5
), carbon monoxide (CO), and ozone (O
3
).
Atmospheric particulate matter (PM), especially with a diam-
eter less than 2.5 μm(PM
2.5
), is considered one of the priority
pollutants in the atmosphere. PM
2.5
is rich in a large number
of toxic and harmful substances and easily enters the blood
through the lungs; thus, frequent exposure to PM
2.5
can cause
damage to human health.
According to the most recent “Global Burden of Disease
Report”released by The Lancet magazine in 2019, China and
India are the countries with the highest disease burden of air
pollution in the world. In recent years, China’s per capita
health care expenditure has increased significantly not only
in absolute terms but also in proportion to disposable income.
According to the National Bureau of Statistics, from 1990 to
2019, China’s urban residents’per capita health care expen-
diture increased from 25.67 CNY to 2283 CNY, accounting
for 1.85 to 5.39% of per capita disposable income. A large
number of studies have shown that air pollution has adverse
effects on multiple systems of the human body and directly or
indirectly causes damage to residents' health, leading to an
increase or aggravation of disease symptoms (Garcia et al.
2015;Toetal.2015), an increase in the number of outpatient
Electronic supplementary material The online version of this article
(https://doi.org/10.1007/s11869-020-00939-y) contains supplementary
material, which is available to authorized users.
*Zhihui Leng
zhihui_leng@163.com
Han Sun
sunhan2004@126.com
1
School of Economics and Management, China University of
Geosciences (Wuhan), Wuhan 430074, China
2
Resource and Environmental Economics Research Center, China
University of Geosciences (Wuhan), Wuhan 430074, China
https://doi.org/10.1007/s11869-020-00939-y
/ Published online: 12 September 2020
Air Quality, Atmosphere & Health (2021) 14:343–350
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