The 1935 Act granting workers the right to form unions and bargain collectively is known as

______________ accounts for interrelationships among markets.

Fill in the blank(s) with the appropriate word(s).

An omitted variable is a variable that:

A) is purposely left out as it does not aid an economic analysis. B) does not cause other variables in a study to change when it changes. C) is removed from a study as it can lead to the problem of reverse causality. D) has been left out, and if included, would explain why the variables considered in a study are correlated.