Zbornik radova Ekonomskog fakulteta u Rijeci,
Год журнала:
2022,
Номер
40(1), С. 177 - 200
Опубликована: Июнь 30, 2022
Starting
from
the
fact
that
rapid
spread
of
SARS-CoV-2
virus
and
implementation
social
distancing
strategies
have
dramatically
affected
all
aspects
human
lives
at
global,
national,
micro
levels,
this
paper
focuses
on
examining
impact
COVID-19
pandemic
economic
performance
selected
European
countries.
To
perceive
understand
impact,
authors
applied
a
complex
research
methodology
based
combined
application
suitable
univariate
multivariate
methods
statistical
analysis.
The
classification
40
countries
into
different
groups,
in
terms
set
indicators
2020,
was
performed
through
hierarchical
agglomerative
cluster
analysis,
while
evaluation
quality
obtained
solution
non-hierarchical
procedure,
k-means
method,
implemented.
consists
four
clusters
identified
as
“optimal”
clustering
solution.
conducted
analysis
comparison
profiles
formed
their
average
GDP
growth
rates
2020
using
descriptive
hypothesis
testing.
This
study
reveals
with
relatively
“lower”
severity
health
consequences
recorded
higher
rate
compared
to
groups
suffered
more
serious
vice
versa.
results,
which
indicate
connection
between
magnitude
negative
pandemic,
can
serve
additional
support
policymakers
making
decisions
aimed
mitigating
impacts
crisis
management.
Oeconomia Copernicana,
Год журнала:
2022,
Номер
13(2), С. 355 - 377
Опубликована: Июнь 30, 2022
Research
background:
The
world
has
been
fighting
the
new
pandemic
caused
by
COVID-19
since
March
2020.
subsequent
restrictions
on
economic
activity
resulted
in
a
supply
shock,
accompanied
chain
disruption,
job
layoffs,
reduced
work
time
and
wages
decreased
disposable
incomes
taxes,
which
led
to
demand
shock.
However,
whether
close
link
exists
between
number
of
confirmed
cases,
deaths
indicators
during
remains
uncertain.
Purpose
article:
current
study
aims
analyse
impact
infections
growth
labour
market
member
states
European
Union.
Methods:
To
achieve
main
research
goal,
we
conduct
panel
data
analysis
quarterly
Specifically,
developed
three
random-effects
econometric
models
estimate
significance
infection
mortality
rates
for
as
well
employment
unemployment
rates.
Findings
&
value
added:
This
contributes
existing
literature
analysing
selecting
macro-economic
within
results
show
that
rate
is
not
significant
variable
indicators.
an
increase
significantly
negative
economy.
Moreover,
worse
than
general.
These
can
serve
theoretical
basis
future
interconnections
pandemics
findings
also
contribute
developing
efficient
policy
instruments
mitigating
future,
thereby
ensuring
cooperation
fiscal,
monetary
health
authorities.
Sensors,
Год журнала:
2021,
Номер
21(18), С. 6319 - 6319
Опубликована: Сен. 21, 2021
In
a
real-world
situation
produced
under
COVID-19
scenarios,
predicting
cryptocurrency
returns
accurately
can
be
challenging.
Such
prediction
may
helpful
to
the
daily
economic
and
financial
market.
Unlike
forecasting
returns,
we
propose
new
approach
predict
whether
return
classification
would
in
first,
second,
third
quartile,
or
any
quantile
of
gold
price
next
day.
this
paper,
employ
support
vector
machine
(SVM)
algorithm
for
exploring
predictability
six
major
digital
currencies
selected
from
list
top
ten
cryptocurrencies
based
on
data
collected
through
sensors.
These
are
Binance
Coin,
Bitcoin,
Cardano,
Dogecoin,
Ethereum,
Ripple.
Our
study
considers
pre-COVID-19
ongoing
periods.
An
that
allows
updated
analysis,
use
sensor
database,
is
also
proposed.
The
results
show
strong
evidence
SVM
robust
technique
devising
profitable
trading
strategies
provide
accurate
before
during
current
pandemic.
findings
different
stakeholders
understanding
dynamics
making
better
investment
decisions,
especially
adverse
conditions
times
uncertain
environments
such
as
Land,
Год журнала:
2021,
Номер
10(11), С. 1239 - 1239
Опубликована: Ноя. 12, 2021
Strict
policy
control
and
real
estate
market
downturn
affects
large-scale
enterprises
performance.
We
surveyed
large
Chinese
the
internal
factors
that
affect
their
competitiveness.
Verified
by
hierarchical
regression
structural
equation
modelling
approach,
results
mainly
show
profitability,
capital
ability,
management
operation
human
resource
brand
name,
innovation
ability
play
positive
roles
in
competitiveness
of
enterprises.
Management
plays
an
intermediary
role
between
resources
improvement
Real
enterprises’
sources
names
Moreover,
landbank
area
quality
sales
are
three
major
impact
enterprises,
while
for
marketing
payment
collection
has
a
relatively
small
impact.
All
all,
this
paper
provides
practical
implications
concerning
The
findings
helpful
to
improve
sustainable
development
future.
As
research
on
is
scarce,
study
aims
fill
gap.
Symmetry,
Год журнала:
2022,
Номер
14(7), С. 1436 - 1436
Опубликована: Июль 13, 2022
In
this
paper,
we
study
a
type
of
disease
that
unknowingly
spreads
for
long
time,
but
by
default,
only
to
minimal
population.
This
is
not
usually
fatal
and
often
goes
unnoticed.
We
propose
derive
novel
epidemic
mathematical
model
describe
such
disease,
utilizing
fractional
differential
system
under
the
Atangana–Baleanu–Caputo
derivative.
deals
with
transmission
between
susceptible,
exposed,
infected,
recovered
classes.
After
formulating
model,
equilibrium
points
as
well
stability
feasibility
analyses
are
stated.
Then,
present
results
concerning
existence
positivity
in
solutions
sensitivity
analysis.
Consequently,
computational
experiments
conducted
discussed
via
proper
criteria.
From
our
experimental
results,
find
loss
regain
immunity
result
gain
infections.
Epidemic
models
can
be
linked
symmetry
asymmetry
from
distinct
view.
By
using
approach,
much
research
may
expected
epidemiology
other
areas,
particularly
COVID-19,
state
how
develops
after
being
infected
virus.
Applied Economics,
Год журнала:
2022,
Номер
54(39), С. 4519 - 4531
Опубликована: Фев. 2, 2022
The
Covid-19
pandemic
had
a
major
impact
in
the
entire
world,
both
sanitary
and
economic.
purpose
of
this
study
is
to
analyse
European
countries
from
point
view.
main
economic
indicators
related
import,
wages,
labour
productivity,
consumption,
taxes,
gross
domestic
product
(GDP),
as
well
variables
measures
were
considered
order
estimate
that
have
economy.
Principal
component
analysis
was
performed
reduce
dataset
dimensionality
create
new
indicators.
Selected
are
characterized
compared
using
principal
components
outputs
while
regression
used
identify
an
influence
independent
on
GDP.
results
show
that,
comparing
situation
2020
with
previous
2
years
considering
adopted
closure
measures,
influenced
GDP
countries.
Sustainability,
Год журнала:
2022,
Номер
14(21), С. 14455 - 14455
Опубликована: Ноя. 3, 2022
The
COVID-19
crisis
and
the
war
between
Russia
Ukraine
affects
world
economy
badly.
western
countries’
economic
sanctions
on
Russian
government’s
reverse
countries
create
pressure
economy.
This
study
was
conducted
to
investigate
how
performance
is
responding
geopolitical
of
era.
In
doing
so,
both
theoretical
numerical
data
reviews
have
been
performed.
objective
short-term
risks
long-term
strategic
challenges
crisis.
used
a
bibliometric
approach
with
help
RStudio
software.
Web
Science
database
for
extracting
resources
in
line
grey
literature
from
Google
Search
engine.
A
total
895
documents
were
utilized
this
analysis.
At
same
time,
secondary
panel
extracted
international
monetary
fund
(IMF)
period
4
years
(2019–2022)
reviewing
implications.
purposive
sampling
technique
selection
main
variables.
findings
imply
that
over
registered
less
growth,
high
inflation
rate,
government
debt
2022
compared
fiscal
2019–2021.
emerging
economies
developing
Europe
badly
affected
by
as
level
rate
hit
27
percent
growth
region
negative
2.9
percent.
also
found
rising
interest
rates,
exchange
volatility,
risk
stagflation,
energy
prices
are
economies.
issue
sustainable
development
goals
green
aspects,
hyperinflation,
recession
or
Bailout
relief
be
necessary
those
Policymakers
should
facilitate
financial
policies
switch
general
assistance
targeted
support
viable
enterprises.
