If planned aggregate expenditure is less than total production

A competitive market will typically experience entry and exit until accounting profits are zero

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

Medical doctors earn higher incomes than PhDs in economics. This is partly because:

A. medical doctors are more likely to face malpractice lawsuits. B. the costs of receiving necessary medical education are higher. C. a relatively small number of students are admitted to medical schools. D. All of these