Comparability
Users’ decisions involve choosing between alternatives, for example, selling or
holding
an investment, or investing in one reporting entity or another.
Consequently, information about a reporting entity is more useful if it can be
compared with similar information about other entities and with similar
information about the same entity for another period or another date.
Comparability is the qualitative characteristic that enables users to identify
and
understand similarities in, and differences among, items. Unlike the other
qualitative characteristics, comparability does not relate to a single item. A
comparison requires at least two items.
Consistency, although
related to comparability, is not the same. Consistency
refers to the use of the same methods for the same items, either from period
to period within a reporting entity or in a single period across entities.
Comparability
is the goal; consistency helps to achieve that goal.
Comparability is not uniformity. For information to be comparable, like
things must look alike and different things must look different. Comparability
of financial information is not enhanced by making unlike things look alike
any more than it is enhanced by making like things look different.
Some degree of comparability is likely to be
attained by satisfying the
fundamental qualitative characteristics. A faithful representation of a relevant
economic phenomenon should naturally possess some degree of comparability
with a faithful representation of a similar relevant economic phenomenon by
another reporting entity.
Although a single economic phenomenon can
be faithfully represented in
multiple ways, permitting alternative accounting methods for the same
economic phenomenon diminishes comparability.
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