One problem with rent controls is that policy makers often ignore its secondary effects

If a firm earns zero economic profit in the long run, then it

a. must be in a perfectly competitive market b. must be in a monopolistically competitive market c. cannot be in a monopolistically competitive market d. could be in any of the four major market structures e. is not in an oligopoly

If a person chooses self-sufficiency, then she can only consume what she produces

a. True b. False Indicate whether the statement is true or false