Sustainability,
Journal Year:
2023,
Volume and Issue:
15(12), P. 9800 - 9800
Published: June 19, 2023
Reasonable
evaluation
of
the
transformation
efficiency
resource-based
cities
can
provide
a
reliable
basis
for
correcting
factor
misallocation
and
optimizing
allocation.
This
study
improves
directional
distance
function
from
aspects
direction
vector
endogeneity,
relative
exogenous
weight.
Based
on
improved
model,
data
China’s
prefecture-level
2003
to
2018
are
used
measure
compare
non-resource-based
cities.
By
setting
different
weights,
considering
total
only
energy
obtained.
Further
comparative
analysis
shows
that
two
efficiencies
lower
than
those
cities,
keep
same
change
trend.
Whether
it
is
city
or
city,
level
considers
factors
lower.
Further,
this
decomposes
according
three
dimensions
finds
efficiency,
output
environmental
different,
in
conservation,
economic
growth
friendliness
also
different.
Journal of Cleaner Production,
Journal Year:
2023,
Volume and Issue:
422, P. 138591 - 138591
Published: Aug. 30, 2023
Cities'
environmental
efficiency
(measured
in
terms
of
green
total
factor
productivity,
GTFP)
have
been
found
the
existing
literature
to
correlate
spatially.
However,
spatial
structure
interrelations
between
cities'
GTFP
not
yet
determined.
In
this
study,
we
attempted
characterize
city-level
networks
by
investigating
China's
major
three
coastal
city
clusters:
Jing-Jin-Ji
(JJJ),
Yangtze
River
Delta
(YRD),
and
Pearl
(PRD).
We
estimated
38
cities
within
these
clusters
applying
a
super-efficiency
slack-based
measure
(SBM)
data
envelopment
analysis
(DEA)
approach,
constructed
network
for
each
cluster
based
on
gravity
model,
traced
out
centralities
subgroups
conducting
social
analysis,
then
investigated
socioeconomic
factors
correlating
interrelation
cities.
The
results
are
as
follows:
First,
average
increased
from
2010
2021,
did
industrial
value
added
regions.
addition,
most
PRD
region
relative
other
two
clusters.
Second,
centers
exist
These
Beijing,
Tianjin,
Langfang
JJJ
region;
Wuxi,
Suzhou,
Yangzhou
YRD
Guangzhou
Foshan
region.
regions,
composition
containing
with
greater
closeness
underwent
significant
changes
whereas
subgroup
change
much.
Third,
differences
distance
key
underlying
that
influence
characteristics
imply
improving
balance
central
noncentral
alleviate
misallocations
economic
resources
could
result
an
increase
overall
growth
improvement.
Systems,
Journal Year:
2024,
Volume and Issue:
12(12), P. 551 - 551
Published: Dec. 11, 2024
The
impact
of
digital
empowerment
on
green
innovation
is
increasingly
evident,
enabling
various
subjects
to
improve
the
integration
elements
and
enhance
efficacy
across
a
broader
temporal
spatial
scope.
A
comprehensive
examination
mechanisms
that
underlie
this
process
required.
This
paper
constructs
‘elements-subjects-environments’
research
framework
ecosystems,
collecting
data
from
30
provinces
in
China
2017
2021
using
total
factor
productivity
(GTFP)
evaluate
level
regional
development.
In
study,
dynamic
qualitative
comparative
analysis
(QCA)
method
employed
analyze
intricate
causal
configurations
development
are
driven
by
ecosystems
both
perspectives.
results
show
that:
(1)
requires
interaction
multiple
elements,
subjects,
environment,
single
condition
does
not
constitute
necessary
condition;
(2)
there
four
pathways
with
different
for
high-level
development:
elements-driven
enterprise
application
innovation,
enterprise-user
co-creation,
multi-collaborative
environment-driven
university
basic
innovation;
(3)
dimensions
China’s
heterogeneous:
significance
fostering
increasing;
configuration
facilitating
eastern
central
regions,
whereas
western
northeastern
regions
progressing
at
relatively
slow
pace.
study
provides
theoretical
practical
insights
promote
Polish Journal of Environmental Studies,
Journal Year:
2024,
Volume and Issue:
33(5), P. 5473 - 5483
Published: May 22, 2024
Based
on
panel
data
from
16
prefecture-level
cities
in
Shandong
Province
2011
to
2020,
the
paper
utilizes
super-efficiency
SBM
model
with
undesirable
outputs
measure
green
economic
efficiency
of
each
city.Spatial
autocorrelation
analysis
and
natural
breaks
method
are
applied
analyze
spatial-temporal
evolution
efficiency.Lastly,
a
Tobit
is
used
factors
affecting
efficiency.The
study's
outcomes
as
outlined
below:
(1)
The
economy
showed
an
overall
increasing
trend
2020.However,
there
noticeable
disparity
among
cities,
developed
exhibiting
relatively
higher
levels
efficiency.(2)
proportion
high
steadily
increases,
these
highefficiency
regions
gradually
cluster
around
provincial
capital
eastern
coastal
areas.While
heterogeneous
clustering
efficiency,
degree
this
heterogeneity
decreases
over
time.(3)
Social
security,
development,
technological
advancement
significantly
enhance
whereas
industrial
structure
noticeably
impedes
efficiency.Environmental
regulations
urbanization
have
less
pronounced
impact
efficiency.Drawing
findings,
chapter
presents
targeted
policy
recommendations.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(19), P. e38598 - e38598
Published: Sept. 27, 2024
As
a
key
regional
development
strategy,
cooperation
affects
the
sustainable
of
city-regions.
This
study
uses
social
network
analysis,
spatial
and
negative
binomial
regression
analysis
to
investigate
impacts
on
green
total
factor
productivity
(GTFP)
in
Guangdong-Hong
Kong-Macao
Greater
Bay
Area
(GBA).
The
main
findings
are
as
follows.
First,
is
growing
closer,
unfolding
trend
networked
polycentric
patterns
GBA.
Second,
GTFP
most
cities
exhibits
an
upward
trend,
indicating
continuous
improvement
economic
Third,
different
types
have
heterogeneous
GTFP,
with
being
essential
for
GTFP.
Overall,
this
provides
systematic
comprehensive
environmental
effects
cooperation.
