Heliyon,
Journal Year:
2025,
Volume and Issue:
11(3), P. e42302 - e42302
Published: Jan. 29, 2025
This
paper
attempts
to
examine
the
impact
of
energy
price
shocks,
monetary
policy,
and
geopolitical
events
on
inflation
in
selected
European
countries
across
different
periods
time
by
applying
a
Time-Varying
Parameter
Vector
Autoregressive
(TVP-VAR)
model
with
stochastic
volatility.
The
analysis
displays
diverse
gas
prices
Consumer
Price
Index
(CPI),
gauge
for
inflation,
short,
medium,
long
term.
Moreover,
findings
show
that
oil
shocks
deflationary
trends
during
COVID-19
have
inflationary
consequences.
results
also
Central
Bank's
response
pandemic-induced
economic
downturn
has
affected
long-term
trends.
Furthermore,
significant
risks
arose
from
Russia-Ukraine
war
amplified
contribute
valuable
insights
into
multifaceted
dynamics
shaping
economies.
Mathematical Problems in Engineering,
Journal Year:
2022,
Volume and Issue:
2022, P. 1 - 10
Published: Dec. 28, 2022
To
better
prevent
the
occurrence
of
hidden
dangers
coal
mine
accidents
and
ensure
safety
production
enterprises.
This
paper
mines
analyses
pattern
historical
monthly
danger
quantity
in
constructs
three
models:
traditional
backpropagation
(BP)
neural
network
model,
BP
based
on
adaptive
moment
estimation
optimization
algorithm
(Adam-BP)
prediction
model
with
introduction
moderators
(Month-Adam-BP).
The
experimental
results
show
that
Adam-BP
can
improve
accuracy,
which
mean
absolute
percentage
error
(MAPE)
improves
by
8.93%,
root
square
(RMSE)
8.15%,
postdifference
ratio
C
0.04,
small
probability
P
0.12;
Month-Adam-BP
adjustment
factor
further
MAPE
2.61%,
RMSE
5.41%,
0.06,
0.03.
And
accuracy
reaches
level
2
standard
credible
effect;
it
also
be
used
to
predict
periodic
characteristics
hazard
data.
Our
predicted
number
hazards
this
for
next
month
is
29,
an
increase
compared
previous
month.
Thus,
managers
need
strengthen
management
accidents,
serve
standardization
smooth
mine.
Future Business Journal,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: May 23, 2023
Abstract
This
study
explores
the
mediating
role
of
e-satisfaction
during
pandemic
on
relationship
between
e-service
quality
and
e-loyalty
banking
customers
in
Pakistan.
The
data
were
collected
from
442
online
services
Pakistan
Covid-19
pandemic,
following
a
survey-based
study.
Baron
Kenny
(J
Personal
Soc
Psychol,
51(6):1173,
1986)
Preacher
Hayes
(Behav
Res
Methods,
40(3):879-891,
2008)
mediation
technique
which
utilizes
bootstrapping
method
has
been
used
to
explore
mediation.
findings
show
that
significant
positive
effect
services.
Relationships
are
significantly
fully
mediated
by
their
satisfaction
unusual
situations.
would
help
bankers
implement
more
effective
marketing
strategies
retain
attract
potential
customers,
particularly
non-normal
situations
like
pandemic.
It
will
them
identify
areas
e-services
need
improvement
enhance
loyalty
customers.
bootstrap
for
along
with
leads
using
sophisticated
methodological
Oliver
Expectancy-Disconfirmation
Paradigm
(EDP)
electronic
setup
also
served
as
unique
contribution
this
Application
robust
add
scientific
value
they
applicable
sector
particular
overall
service
general.
Further,
two
different
methods
have
employed
makes
rigorous
scientific.