Which of the following represents a difference in the process by which a monopolistic competitor and a monopolist make their respective decisions about quantity and price?a. only the monopolist competitor faces a downward-sloping demand curve. b. the monopolist's perceived demand curve is market demandc. the monopolist competitor's perceived demand curve is market demandd. a monopolist need not fear entry and also selection b above

Based on the supply and demand theory, why do medical doctors earn higher wages than child-care workers?

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups. b. we cannot infer anything from these data since the distribution of salaries is likely right skewed. c. you cannot draw any valid conclusions because the sample sizes are different. d. more students should complete internships because having an internship produces a higher salary.

Four students are at an extracurricular activity fair at their high school and are trying to decide which clubs to join. some information about the students is listed in this chart: which describes which ctso each student should join?