Which of the following is not true of monopolistic competition?

i. in the long run the demand curve will shift to the left until price equals average total cost and economics profit increases.
ii. in the long run it does not operate at minimum average cost.
iii. there are large number of buyers and sellers, it is a price maker, and there are low barriers of entry.

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject.a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher.wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners.acceptable only when the researcher’s irb grants a special waiver.

“a monarchy is indeed the most powerful of any… but then there is imminent danger of his employing that strength to improvident or oppressive purposes.”—william blackstone, commentaries on the laws of england which of the following documents addressed blackstone’s concern in this quote? the magna carta, because it limited the power of the king. common sense, because it encouraged american colonists to declare independence. the mayflower compact, because it created a government and the first written laws for plymouth settlers. the english bill of rights, because it later influenced the u.s. bill of rights.

Which of the following is an example of proximodistal pattern of growth? (a) abbey learning to sit first before learning to stand or crawl (b) alex learning to move his eyes before learning his first words (c) colin learning to stare at moving objects before trying to touch them with his hands (d) polly learning to grab the objects with her whole hands before learning to pick them up with her fingers