What is the difference between a market economy and a command economy? A. A market economy is determined by consumers while a command economy is determined by both consumers and central authority. B. A market economy is determined by central authority and a command economy is determined by consumers. C. A market economy is determined by both central authority and consumers while a command economy is determined by only consumers. D. A market economy is determined by consumers and a command economy is determined by central authority.

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.

What is one of the advantages of getting a government-sponsored mortgage instead of a conventional mortgage

Melissa buys an iphone for $240 and gets consumer surplus of $160. a. what is her willingness to pay? b. if she had bought the iphone on sale for $180, what would her consumer surplus have been?