最終更新日：2025/12/05
(probability) A problem within the classical interpretation of probability theory, illustrating how the principle of indifference may not produce definite, well-defined results for probabilities if it is applied uncritically when the domain of possibilities is infinite.
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Bertrand's paradox
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Bertrand's paradox
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意味（2）
(economics)
A
hypothetical
phenomenon
where
if
the
number
of
firms
producing
a
product
goes
from
one
to
two
or
more
selling
identical
products
with
identical
manufacturing
costs,
the
price
would
be
expected
to
decrease
from
the
high
price
which
one
monopolistic
firm
would
charge
to
a
competitive
at-cost
price,
if
consumers
choose
which
product
to
buy
based
solely
on
price
and
the
firms
try
to
undercut
each
other.
