Related to the Economics in Practice on p. 10: Prior to joining the glee club, Anjelica spent most of her free time studying in the library. Once she joined the glee club, Anjelica spent her free time hanging out in karaoke bars with other glee club members. This change in behavior is best described by

A) the fallacy of logic.
B) the post hoc ergo prompter hoc fallacy.
C) the problem of peer effects.
D) the ceteris paribus error.

A nation's aggregate expenditure decreases with an increase in imports,other things constant.

Which of the following statements about the mirror image rule is false?

A) No rejection is implied if an offeree merely asks about the terms of the offer without indicating its rejection.
B) In recent years,the courts tend to apply the mirror image rule in a more liberal fashion.
C) The common law rule requires that acceptance be the mirror image of the offer.
D) No rejection is implied if an offeree accepts the offer's terms while complaining about them.