SAGE Open,
Journal Year:
2024,
Volume and Issue:
14(4)
Published: Oct. 1, 2024
The
adoption
of
electric
vehicles
(EVs)
is
a
critical
component
transitioning
toward
sustainable
transportation
systems.
Understanding
public
sentiment
and
engagement
regarding
EVs
essential
for
policymakers,
industry
participants,
scholars
to
address
challenges
opportunities
in
the
EV
market
effectively.
This
study
conducted
comprehensive
analysis
concerning
on
social
media
platforms.
One
thousand
posts
from
Facebook,
Instagram,
X
were
analyzed
provide
cohesive
narrative
encompassing
opinion
offering
roadmap
this
disruptive
technology’s
future.
results
indicate
significant
level
user
engagement,
supported
by
7,000
collective
interactions
an
impressive
4,300
shares.
Predominantly
positive
sentiments,
comprising
83.2%
posts,
highlight
widespread
optimism
technology.
discourse
encompasses
various
subjects,
including
brand
preferences,
financial
implications,
infrastructure,
environmental
aspects.
insights
gleaned
these
are
immense
value
as
they
navigate
ever-changing
terrain
mobility.
Systems,
Journal Year:
2025,
Volume and Issue:
13(1), P. 61 - 61
Published: Jan. 19, 2025
The
aim
of
this
study
was
to
analyze
the
strategic
choices
and
profit
variations
a
monopolistic
automobile
manufacturer
capable
producing
both
traditional
fuel
vehicles
new
energy
vehicles,
with
particular
focus
on
government
interventions.
Using
theoretical
model,
research
examined
firm-level
production
decisions
by
incorporating
consumer
preferences
market
competition
under
three
policy
scenarios:
no
intervention,
subsidies,
tax
policies.
key
findings
are
as
follows:
(1)
In
absence
firm’s
strategy
is
influenced
for
vehicles.
Specifically,
firm
prioritizes
when
preference
high,
low,
types
moderate.
(2)
Government
subsidies
substantially
reduce
while
promoting
However,
excessively
high
may
lead
revert
vehicle
production.
(3)
Tax
policies
influence
strategies
in
manner
similar
subsidy
(4)
When
intervention
weak
between
intense,
more
effective;
however,
less
be
beneficial.
Under
strong
found
effective.
This
contributes
literature
providing
foundation
policymaking
sector,
offering
insights
into
various
environments.
originality
lies
its
comparison
effectiveness
production,
which
helps
guide
policymakers
designing
optimal
Complexity,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
Using
the
matching
data
of
UN
COMTRADE,
China
Customs,
and
Industrial
Enterprise
database
from
2000
to
2013,
we
explore
relationship
between
product
density
export
technological
complexity
at
enterprise
level.
We
find
firm
level
has
a
significant
positive
effect
on
Chinese
manufacturing
enterprises.
The
result
remains
still
robust
after
adopting
instrumental
variable
method,
replacing
explanatory
explained
variables
substituting
more
detailed
for
proxy
variables.
Both
specialized
agglomeration
diversified
have
effects
complexity.
results
moderating
test
indicate
that
industry
significantly
reinforced
abovementioned
as
moderator.
However,
inhibits
upgrading
effect.
Heterogeneity
tests
show
is
conducive
enterprises
in
eastern
region,
so
are
foreign‐funded,
capital‐intensive,
technology‐intensive
International Journal of Intelligent Systems,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
The
problem
of
environmental
pollution
has
been
extensively
discussed,
especially
in
the
production
phase
supply
chain.
Many
enterprises
seek
innovation
and
strive
to
achieve
a
win‐win
situation
economic
benefits.
However,
cooperation
competition
between
are
likely
cause
interruption
Therefore,
by
combining
green
strategy
with
chain
risk
management,
this
paper
builds
an
evolutionary
game
model
suppliers
manufacturers,
deeply
understand
impact
disruption
on
choice
manufacturers
reveal
conditions
under
which
system
evolves
into
different
stability
strategies.
results
show
that
(1)
conditions,
will
have
evolutionarily
stable
strategy.
When
total
revenue
alone
supplier
or
manufacturer
is
greater
than
expenditure
cost
difference
investment
alone,
produce
two
evolution
results.
(2)
willingness
manufacturer,
production,
coefficient
break
all
affect
trajectory
system,
absolute
these
factors
threshold,
faster
convergence
speed.
By
formulating
relevant
policies,
can
meet
(1,
1),
promote
upstream
downstream
realize
cooperative
faster.
This
contributes
understanding
management
theory,
while
providing
insights
how
companies
along
for
benefit
society
environment.
Journal of Marine Science and Engineering,
Journal Year:
2025,
Volume and Issue:
13(1), P. 168 - 168
Published: Jan. 18, 2025
Quantifying
and
estimating
shipping
emissions
is
a
critical
component
of
global
emission
reduction
research
has
become
growing
area
interest
in
recent
years.
However,
from
short-distance
passenger
ships
operating
on
inter-island
routes
their
environmental
impacts
have
received
limited
attention.
This
contribution
investigated
the
temporal
spatial
distribution
characteristics
pollutants
emitted
by
at
Zhoushan
(China)
using
Automatic
Identification
System
(AIS)
data
bottom–up
model
integrated
with
multi-source
meteorological
data.
A
year-long
inventory
was
investigated.
The
results
indicated
that
high-speed
contributed
to
largest
share
emissions.
were
predominantly
concentrated
during
daytime
hours,
between
Island
Daishan,
Daishan
Shengsi,
Liuheng
accounting
for
most
Furthermore,
intra-port
waterways
identified
as
primary
areas
ships.
study
provides
essential
support
references
relevant
authorities
understand
patterns
ships,
thereby
facilitating
formulation
targeted
strategies
maritime
transport
sector.
