Behavioral
economic
approaches
to
measuring
cannabis
demand
represent
a
well-validated,
low-cost
method
of
assessing
risk
for
hazardous
use.
One
widely
used
measure
is
the
Marijuana
Purchase
Task
(MPT),
which
has
shown
good
psychometric
properties
across
multiple
samples.
However,
preliminary
data
suggest
that
changes
could
improve
task
ecological
validity
and
acceptability.
Using
predominantly
White
convenience
sample,
this
study
aimed
develop
revised
MPT
uses
modern
dispensary
scenario
better
reflect
national
trends
in
use
(e.g.,
forms
consumption).
Participant
inattentiveness
due
increased
length
difficulty
estimating
purchases
next
month
may
have
impacted
measures.
Lessons
learned
are
discussed
inform
future
efforts
assess
manner
more
reflective
naturalistic
use:
including
minimizing
participant
burden,
setting
higher
price
ceilings
increase
utility,
considering
person-level
factors
influence
demand.
Psychology of Addictive Behaviors,
Год журнала:
2023,
Номер
37(8), С. 985 - 995
Опубликована: Апрель 20, 2023
Cannabis
demand
(i.e.,
relative
value),
assessed
cross-sectionally
via
a
hypothetical
marijuana
purchase
task
(MPT),
has
been
associated
with
use,
problems,
and
dependence
symptoms,
among
others.
However,
limited
work
exists
on
the
prospective
stability
of
MPT.
Furthermore,
cannabis
veterans
endorsing
cyclical
relationship
between
use
over
time,
have
yet
to
be
investigated.
Psychology of Addictive Behaviors,
Год журнала:
2022,
Номер
37(1), С. 156 - 165
Опубликована: Дек. 8, 2022
Behavioral
economics
suggest
that
cannabis
reinforcing
value
(cannabis
demand)
may
be
influenced
by
external,
contextual
factors
such
as
the
social
reward
might
accompany
use
and
presence
of
opportunity
costs
(e.g.,
a
next-day
responsibility
adversely
impact).
The
present
study
examined
effect
context
cost
on
demand
explored
whether
relations
were
moderated
severity.
Journal of Studies on Alcohol and Drugs,
Год журнала:
2021,
Номер
82(3), С. 351 - 361
Опубликована: Май 1, 2021
A
behavioral
economic
approach
to
cannabis
misuse
emphasizes
a
crucial
role
of
high
drug
demand
(i.e.,
reinforcing
value),
which
may
be
measured
using
marijuana
purchase
task
(MPT).
The
multiple
indices
from
this
measure
have
been
associated
with
misuse,
but
somewhat
inconsistently,
possibly
because
variability
across
studies.
Based
on
recent
qualitative
research,
the
current
study
implemented
an
optimized
MPT
examine
underlying
factor
structure
and
relationship
between
both
motivation
change.
Participants
were
two
independent
samples
emerging
adults
who
reported
use
heavy
episodic
drinking
in
last
month,
one
Canadian
(n
=
396)
other
American
275).
Both
assessed
MPT,
Cannabis
Use
Disorder
Identification
Test
(CUDIT),
Marijuana
Adverse
Consequences
Questionnaire
(MACQ),
readiness
change
items.
Principal
component
analyses
revealed
same
two-factor
latent
samples,
interpreted
as
Amplitude
(intensity,
Omax,
elasticity)
Persistence
(breakpoint,
Pmax).
Regressions
that
was
significantly
CUDIT
MACQ
samples.
In
sample,
also
MACQ,
factors
generated
parallel
consistently
misuse.
findings
indicate
robust
relevance
for
relation
suggest
links
sample-specific.
Psychopharmacology,
Год журнала:
2023,
Номер
240(4), С. 921 - 933
Опубликована: Март 4, 2023
Abstract
Rationale
Behavioral
economic
drug
purchase
tasks
quantify
the
reinforcing
value
of
a
(i.e.,
demand).
Although
widely
used
to
assess
demand,
expectancies
are
rarely
accounted
for
and
may
introduce
variability
across
participants
given
diverse
experiences.
Objectives
Three
experiments
validated
extended
previous
hypothetical
by
using
blinded
dose
as
stimulus,
determined
demand
experienced
effects
while
controlling
expectancies.
Methods
Across
three
double-blind,
placebo-controlled,
within-subject
experiments,
cocaine
(0,
125,
250
mg/70
kg;
n
=12),
methamphetamine
20,
40
mg;
=19),
alcohol
1
g/kg
alcohol;
=25)
were
administered
was
assessed
Blinded-Dose
Purchase
Task.
Participants
answered
questions
regarding
simulated
purchasing
increasing
prices.
Demand
metrics,
subjective
effects,
self-reported
real-world
monetary
spending
on
drugs
evaluated.
Results
Data
well
modeled
curve
function,
with
significantly
higher
intensity
(purchasing
at
low
prices)
active
doses
compared
placebo
all
experiments.
Unit-price
analyses
revealed
more
persistent
consumption
prices
(lower
α
)
in
lower
condition
(a
similar
non-significant
finding
emerged
cocaine).
Significant
associations
between
peak
also
Conclusions
Orderly
data
differences
conditions,
relations
measures
spending,
effects.
enabled
parsimonious
comparisons
doses.
lend
credence
validity
Task,
which
allows
control
Drug and Alcohol Dependence,
Год журнала:
2023,
Номер
254, С. 111057 - 111057
Опубликована: Дек. 9, 2023
Given
the
expanding
legal
cannabis
market
in
U.S.,
it
is
vital
to
understand
how
context
impacts
use.
Therefore,
we
explored
effect
of
cues
and
cannabis-use
on
demand
79
adults
who
reported
smoking
at
least
weekly.
Participants
completed
a
single
laboratory
session
consisting
four
hypothetical
marijuana
purchase
tasks
(MPTs)
involving
either
typical
use
situation
or
driving
sleep
context.
The
MPTs
were
alternated
with
exposure
neutral
picture
based
block
randomization
by
gender.
Cannabis
increased
self-reported
craving
for
(p
=.044)
but
did
not
significantly
alter
(ps
=0.093–0.845).
In
context,
participants
demonstrated
significant
reduction
demand,
indicated
lower
intensity
<0.001),
Omax
Pmax
breakpoint
=.003),
higher
α
<0.001).
was
associated
greater
<0.006)
nonsignificant
effects
other
indices
=0.123–0.707).
Finally,
=.013)
=.035)
typical-use
These
findings
suggest
that
behavior
sensitive
contingencies
surrounding
after
may
also
be
contexts
presence
cues.
Since
this
first
study
examine
contexts,
caution
against
drawing
broad
conclusions
until
future
research
conducted
replicate
these
findings.
Experimental and Clinical Psychopharmacology,
Год журнала:
2022,
Номер
31(2), С. 318 - 323
Опубликована: Сен. 8, 2022
Hypothetical
purchase
tasks
assess
substance
demand,
but
the
length
of
makes
repeated
assessment
state-dependent
changes
in
demand
difficult,
often
limiting
clinical
utility.
Although
brief
assessments
alcohol
and
cigarette
exist,
measures
cannabis
do
not.
College
students
(
Experimental and Clinical Psychopharmacology,
Год журнала:
2022,
Номер
31(2), С. 491 - 497
Опубликована: Сен. 29, 2022
Purchase
tasks
are
used
to
measure
the
value,
or
demand,
for
various
substances
by
assessing
amount
of
a
substance
individuals
would
purchase
across
series
escalating
prices.
Marijuana
task
(MPT)
has
been
previously
developed;
however,
cannabis
can
be
consumed
in
forms
and
measurements,
thus
raising
questions
about
applicability
MPT
users.
An
adaptive
was
developed
allow
participants
select
their
preferred
product
(e.g.,
herbal,
dabs)
division
hits,
grams).
Little
research
done
assess
temporal
stability
these
measures.
Participants
(
The
legal
landscape
surrounding
purchasing
cannabis
without
a
medical
card
(i.e.,
MCC)
is
changing
rapidly,
affecting
consumer
access
and
behaviors.
Cannabis
behaviors
are
related
to
subsequent
use
experiencing
greater
cannabis-related
negative
consequences.
However,
of
individuals
who
MCC
understudied.
Experimental and Clinical Psychopharmacology,
Год журнала:
2023,
Номер
32(3), С. 305 - 315
Опубликована: Сен. 21, 2023
Behavioral
economic
demand
for
cannabis
is
robustly
associated
with
consumption
and
use
disorder
(CUD).
However,
few
studies
have
examined
the
processes
underlying
individual
differences
in
relative
valuation
of
(i.e.,
demand).
This
study
associations
between
executive
functions
among
young
adults
who
cannabis.
We
also
indirect
CUD
symptoms
through
demand.
Young
(
