This question is based on the article: free exchange (2012, december 1). the complex effects of low interest rates on consumption and investment. retrieved from overall, which statement best characterizes the frame of reference used by this article?
a. the frame of reference used by this article is normative because it concludes with a judgment about the desirability/undesirability of current monetary policy.
b. the frame of reference used by this article is positive because the reasoning that this article uses is is based on a positive theory of monetary policy.
c. this article is essentially two separate arguments, one based on normative frames of reference, the other based on positive frames of reference.
d. this article contains a complex argument in which positive frames of reference are used to establish what happens when interest rates are low and normative frames of reference are used to evaluate the desirability of the outcomes that were established using positive frames of reference.

One investigating company tracked all credit card purchase during 2012 and measured two variables: (1) the type of credit card used (visa, mastercard, american express, or discover), and (2) the amount (in dollars) of each purchase. identify the level of each variable measured.

Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening.a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number.include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i.e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?

Which of the following is least likely to a team solve problems together