Analogy Between Marco-Julia Model Payments and Modern Electronic Transactions
The payment mechanism within the Marco-Julia model, where bank liabilities are transferred between accounts, directly mirrors how modern electronic transactions function. For instance, paying with a phone at a supermarket today is fundamentally the same process: instructing a bank to shift its debt from the buyer's account to the seller's account.
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Introduction to Macroeconomics Course
Ch.6 The financial sector: Debt, money, and financial markets - The Economy 2.0 Macroeconomics @ CORE Econ
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Unaffected Bank Balance Sheet During Internal Payment Transfers
Analogy Between Marco-Julia Model Payments and Modern Electronic Transactions
Two individuals, Alex and Ben, both hold accounts at the same bank. Initially, the bank's records show it has a liability of 100 units to Alex and a liability of 50 units to Ben. Alex then uses a banking app to make a payment of 30 units to Ben. Considering only this transaction, which of the following statements correctly analyzes the new state of the bank's liabilities?
Manual Bank Transaction
Bank's Role in Internal Electronic Payments
When a customer uses a banking app to pay another customer at the same bank, the transaction is completed by the bank reducing its total assets to reflect the transfer of funds.
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Contrast in Bank Reserves: Grain in the Marco-Julia Model vs. Central Bank Reserves in Reality
The Complication of Interbank Payments in Modern Economies
When a customer pays for groceries by tapping their phone at the checkout counter, a series of electronic messages are exchanged. In a simplified system where both the customer and the grocery store use the same bank, what is the most accurate description of the fundamental financial event that occurs on the bank's records?
Explaining an Electronic Transaction
When a customer pays a merchant using a mobile app, and both use the same bank, the bank's primary action is to transfer a portion of the physical currency it holds for the customer directly to the merchant's account.
Imagine a simplified economy where a single bank serves all customers. Customer A has an account balance of $500, and Customer B has a balance of $200. Customer A buys a product from Customer B for $50 and pays electronically. Assuming the transaction is processed instantly, which statement best describes the immediate impact on the bank's records?
A customer buys a product for $20 from a merchant using a mobile payment app. Both the customer and the merchant have accounts at the same bank. Match each component of this transaction to the most accurate description of the change in the bank's records.
Analyzing a Payment App's Marketing
Critiquing a Common Misconception about Electronic Payments
A customer uses a mobile app to pay a merchant $50 for a service. Both the customer and the merchant have accounts at the same bank. Arrange the following events in the correct chronological order as they would be reflected in the bank's internal records.
An economics student explains a mobile payment between two customers of the same bank as follows: 'When I pay you $10 using my banking app, the bank takes $10 of my money that it's holding for me and moves it into a separate pile it's holding for you.' Which of the following statements best identifies the fundamental flaw in this explanation?
Impact of an Electronic Transaction on a Bank's Liabilities