The most common complaint among patients about their doctors is the time spent waiting in the doctor's office. Patients claim that doctors overbook appointments. Doctors claim that a significant number of patients fail to show or are late for their appointments. Doctors also note that as medical professionals they must tend to anyone who has need of their service. The medical profession is also uncertain because doctors never know when an emergency will occur. Considering the economic concepts of scarcity and economic resources, why must doctors book as many patients as necessary during office hours? A doctor has the time and resources to choose how many patients to treat

A doctor, by law, must treat every patient who shows up in a medical facility

A doctor must make as much money as possible during normal business hours

A doctor's time is scarce and must be used effectively to see the most patients