A __ loss is a cost to society created by some type of market inefficiency.

When people struggle to take account of others' perspectives, their insights are subject to multiple __ errors.

A link between gift price and feelings of appreciation might seem __ to gift-givers, but it is not.

Perhaps givers believe that bigger gifts __stronger signals of thoughtfulness and consideration.

They often struggle to transfer information from one role (e.g., as a giver) and apply it in another, __ role (e.g., as a receiver).

They somehow never learn to __ their gift expenditures according to personal insight.

People slip in and out of these __ as gift-givers and gift-recipients every day.

As for gift recipients, they may not __ smaller and larger gifts as representing smaller and larger signals of thoughtfulness.

Gift recipients are less __ to base their feelings of appreciation on the magnitude of a gift than givers assume.