Week 9 Discussion — Keep a Slice or Not? — Traditional alternative (no AI)

Instructors: publish this instead of the adaptive version if you prefer, and unpublish or delete the adaptive one.

Hook

In this week's illustrative banking system, a monetary base of 105 dollars supports at most 1,050 dollars of money when banks must keep 0.10 of every deposit, and at most 525 dollars when they keep 0.20. That makes the reserve ratio look like a powerful dial. Yet in the United States, required reserve ratios have been zero since March 2020, and real-world multipliers are far smaller than the classroom model. People who agree on all of that arithmetic still disagree about whether a required slice is worth having and about how much the model tells you.

Your discussion question — choose Option A or Option B; they carry the same weight and the same rubric, and you say which you picked.

Option A: Should rules require every bank to keep a fixed slice of each deposit as reserves, such as the classroom model's 0.10, or should the choice of how much to keep be left to banks themselves, as it is under a required ratio of zero? Take a position, support it with this week's ideas (required and excess reserves, the money multiplier, the monetary base and the money supply), and label which part of your claim is positive (what the model predicts) and which part is normative (a judgment about what ought to happen).

Option B: Is the classroom money multiplier, 1 divided by the required reserve ratio, a helpful model or a misleading one for a person trying to make sense of news about banks and the money supply? Take a position, say what the model gets right about how banks create money and what it leaves out, and present the strongest case for the other view.

There is no single right answer. A case for a required slice and a case for leaving the choice to banks can each be argued well, and so can a case for the classroom model and a case against leaning on it. Your job is to take a position, support it with this week's tools, and keep what the model predicts (positive) separate from what you think ought to be done (normative). Pick the option you actually care about, and tell us your reasoning.

Expectations

Activity format: one initial post followed by two substantive peer replies. Plan on about 45 minutes across the two deadlines; your instructor sets both due dates in Canvas.

Your initial post — by the first due date (early in the module week):

• Say which option you chose.
• For Option A, state in one clear sentence whether rules should require a fixed reserve slice or leave the choice to banks; for Option B, state whether the classroom multiplier helps or misleads a news reader.
• Use at least two of this week's terms (fractional-reserve banking, required reserve ratio, required reserves, excess reserves, monetary base, money supply, money multiplier, ample-reserves system) correctly.
• Give your reason, treat the money multiplier as a ceiling where it fits, and label which sentences are positive and which are normative.
• Length: roughly 150–250 words if written. You may instead record your post as audio or video (about two minutes) and attach a transcript; both forms are scored by the same rubric.

Your replies — by the second due date (the end of the module week):

• Reply substantively to at least two classmates.
• A substantive reply does more than agree: make the strongest case for the side the poster set aside, check whether the poster kept required reserves apart from excess reserves, or point out a normative claim presented as if it were positive. "Nice point!" on its own does not count.

What a strong post looks like:

I chose Option B, and I think the classroom model helps more than it misleads. Positive claim: the model shows that a bank keeps its required reserves and lends the excess, and that the loan comes back as someone else's deposit, so the money supply can be larger than the base. It also leaves things out: extra reserves, cash in wallets, and the demand for loans keep real expansion far below 1 divided by the reserve ratio. Normative claim: a news reader is better off knowing the mechanism than knowing nothing. The strongest objection is that the tidy number invites people to treat it as a forecast. I agree that is a risk, so I would always say "at most."

Notice how it names the choice, keeps required and excess reserves apart, treats the multiplier as a ceiling, labels the positive and the normative claims, and answers an objection. That is the bar.

Participation rubric

This discussion is worth 10 points. The three criteria below look at your initial post and your peer replies.

Post early if you can — the best threads happen when people have time to reply before the second due date.

Built with The Course Maker · samples.thecoursemaker.com