Land,
Journal Year:
2024,
Volume and Issue:
13(7), P. 960 - 960
Published: June 30, 2024
The
advancement
of
the
big
data
industry
is
playing
a
pivotal
role
in
urban
land
management
refinement.
Recently,
China
initiated
strategy,
establishing
national
comprehensive
pilot
zones
(NBDCPZs)
across
diverse
regions.
These
initiatives
present
substantial
opportunities
for
enhancing
green
use
efficiency
(ULGUE).
Consequently,
this
study,
we
utilized
super-efficiency
slack-based
measure
(SBM)
model
with
undesirable
outputs
to
assess
ULGUEs
281
prefecture-level
cities
from
2006
2021.
Subsequently,
leveraging
NBDCPZ
establishment
as
quasi-natural
experiment,
employed
difference-in-differences
(DID)
method
empirically
explore
impact
policy
on
ULGUE
first
time.
findings
revealed
following:
(1)
implementation
significantly
enhances
ULGUE;
(2)
effects
are
mediated
through
mechanisms
such
fostering
technological
innovation,
mitigating
resource
misallocation,
and
promoting
industrial
agglomeration;
(3)
heterogeneity
analysis
emphasizes
increased
effectiveness
characterized
by
fewer
natural
resources,
lower
economic
growth
pressures,
stable
development
stages,
moderate
digital
infrastructure
human
capital
levels;
(4)
further
demonstrates
significant
positive
spillover
neighboring
non-pilot
cities,
diminishing
proximity
between
decreases.
Overall,
study
contributes
literature
relationship
economy
utilization,
offering
valuable
insights
achieving
sustainable
development.
Systems,
Journal Year:
2025,
Volume and Issue:
13(4), P. 254 - 254
Published: April 4, 2025
Based
on
the
panel
data
of
30
provinces
in
China
from
2013
to
2022,
this
paper
constructs
a
measurement
index
system
for
symbiotic
level
digital
innovation
ecosystems
three
dimensions:
symbiosis
subjects,
environment,
and
interaction.
This
applies
entropy
weight
TOPSIS
method,
Dagum
Gini
coefficient
decomposition,
spatial
convergence
analysis
empirically
examine
levels,
regional
disparities,
China’s
ecosystem.
The
results
are
as
follows:
(i)
At
national
level,
ecosystem
has
generally
increased,
creating
distribution
pattern
that
is
“high
east,
flat
middle,
low
west”.
(ii)
From
perspective,
major
disparities
between
regions
primary
factors
contributing
overall
difference
(iii)
perspective
σ
convergence,
constantly
expanding,
uneven
development
intensifying.
(iv)
absolute
β
with
lower
levels
have
faster
growth
rate
than
higher
symbiosis,
there
certain
spillover
effect.
(v)
conditional
economic
structure
application
can
accelerate
extent.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(2), P. 509 - 509
Published: Jan. 10, 2025
Digitization
plays
a
vital
role
in
fostering
economic
and
social
development.
This
study
empirically
investigates
the
impact
of
digitization
on
urban
industrial
structures,
technological
innovation,
public
service
levels,
social–ecological
resilience.
Various
approaches,
including
two-tier
stochastic,
spatial
econometric,
panel
threshold
models,
have
been
employed
to
analyze
data
from
287
cities
2008
2023.
These
are
examined
through
quasi-natural
experiment
analyzing
evolution
resilience
following
China’s
promotion
national
comprehensive
pilot
zone
for
big
data.
The
findings
as
follows.
(1)
positive
effects
ecological
substantially
outweigh
negative
effects,
with
an
overall
increasing
trend
net
effect,
albeit
significant
regional
differences.
(2)
Digitalization
exhibits
spillover
enhancing
local
while
inhibiting
improvements
neighboring
cities.
(3)
Technological
innovation
levels
positively
affect
resilience,
whereas
structure
upgrading
has
indirect
effect.
Both
demonstrate
nonlinear
under
constraints
intermediary
mechanism.
(4)
In
terms
policy
mechanisms,
differences
structure,
capacity,
must
be
considered.
approach
is
essential
promoting
organic
integration
across
regions,
mitigating
polarization
diffusion
