Heliyon,
Год журнала:
2024,
Номер
10(14), С. e34302 - e34302
Опубликована: Июль 1, 2024
Measuring
the
impact
of
project
portfolio
synergy
(PPSI)
is
crucial
for
making
informed
decisions
to
improve
strategic
realization
a
portfolio.
However,
literature
has
failed
measure
PPSI
effectively
from
perspective
element
flow
and
explore
differences
in
relationships
between
homogeneous
heterogeneous
projects.
Consequently,
this
study
proposes
framework
measuring
flow.
First,
based
on
analyzing
synergistic
relationship
projects,
corresponding
datum
quantity
determined
according
different
types
forms.
Second,
degree
projects
quantified
through
similarity
correlation.
Third,
dynamic
measurement
model
constructed
using
System
Dynamics
solve
complex
interactive
feedback
dynamics
system.
Finally,
demonstrated
validated
by
numerical
example
management
Xi'an,
Shaanxi
Province.
The
results
indicate
that
can
identify
key
factors
generating
it.
In
implementing
portfolio,
managers
must
focus
sharing
integrating
newly
developed
technologies
information,
thus
facilitating
generation
PPSI.
This
extends
boundary
theory
contributes
focusing
elements
within
portfolios.
Additionally,
provides
an
effective
tool
forecast
determine
appropriate
optimization
strategies.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 5, 2025
Residents
of
rural
tourism
destinations
are
the
core
participants
in
organizing
and
carrying
out
activities.
Therefore,
guiding
them
to
implement
pro-environmental
behaviors
(PEB)
daily
lives
is
crucial
for
promoting
ecological
civilization
construction
achieving
sustainable
tourism.
Combining
Theory
Planned
Behavior
(TPB)
Normative
Activation
Model
(NAM),
this
study
develops
a
theoretical
model
driving
factors
PEB
among
destination
residents
by
considering
moderating
effect
environmental
policies.
Empirical
analysis
conducted
using
survey
data
from
Sichuan
Province,
China,
explain
occurrence
path
PEBs
aspects
egoistic
altruistic
attributes,
policy
factors.
The
research
results
indicate
that
perceived
behavioral
control
attitudes
directly
affect
intention
(PEI)
residents,
indirectly
their
PEBs,
while
subjective
norms
have
no
significant
impact
on
PEI.
personal
activated
through
pathways
"consequence
awareness
→
norms"
responsibility
attribution
norms",
which
turn
PEIs,
confirming
attributes
local
residents.
In
addition,
policies
positive
conversion
PEI
into
PEB,
but
intervention
effects
vary
across
different
dimensions.
Sustainability,
Год журнала:
2024,
Номер
16(17), С. 7270 - 7270
Опубликована: Авг. 23, 2024
Green
transportation
is
the
core
embodiment
of
ecological
civilization
and
concept
green
development
within
field
transportation,
it
an
important
strategic
choice
for
sustainable
urban
development.
National
central
cities
represent
highest
level
in
China’s
system
planning.
This
paper
aims
to
evaluate
national
cities.
It
established
a
set
29
specific
evaluation
indicators
from
five
dimensions:
basic
indicators,
infrastructure,
traffic
environmental
protection,
travel,
safety.
constructed
index
transportation.
The
entropy
weight
TOPSIS
method
was
utilized
levels
nine
2020
2022.
An
obstacle
degree
model
identify
key
factors
at
both
criterion
indicator
layers
Suggestions
were
proposed
aspects:
establishing
comprehensive
policy
framework,
promoting
regional
collaborative
development,
accelerating
infrastructure
construction,
improving
service
quality,
fostering
upgrading
industries.
results
showed
that
ranking
among
high
low
years
2020–2022
as
follows:
Shanghai,
Chongqing,
Chengdu,
Beijing,
Guangzhou,
Tianjin,
Wuhan,
Xi’an,
Zhengzhou.
In
terms
spatial
layout,
generally
exhibited
“high
on
periphery,
center”
distribution
characteristic.
layer
After
screening
criteria
where
calculation
are
above
15%,
safety
eliminated.
cities,
which
located
different
regions,
maintained
consistent
internal
their
order.
top
with
frequency
degrees
total
passenger
transport
volume,
number
taxis,
new
energy
vehicle
production,
expenditure
freight
volume.
