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Study Guide: DECA Review: Banking and Credit (Depository Institutions, Loan Types, Federal Reserve)
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DECA Review: Banking and Credit (Depository Institutions, Loan Types, Federal Reserve)

By Fatskills Exam Guides Team — the exam nerds behind 28,500+ quizzes and 2.1M practice questions across 500+ global exams.

⏱️ ~5 min read

DECA – Banking and Credit (Depository Institutions, Loan Types, Federal Reserve)

What This Is

Banking and credit cover the functions of depository institutions (commercial banks, credit unions, savings & loans), the variety of loan products they offer, and the role of the Federal Reserve in regulating money supply and credit. Mastery of this topic lets you evaluate financing options for a school fundraiser, a start?up, or a multinational corporation—exactly the kind of analysis DECA judges expect in the Finance, Management, or Business Services events.


Key Terms & Formulas

  • Depository Institution – A financial entity that accepts deposits and makes loans (e.g., commercial banks, credit unions, savings & loan associations).
  • Commercial Bank – A for?profit depository that offers checking, savings, and a full suite of loan products to businesses and individuals.
  • Credit Union – A not?for?profit, member?owned depository that typically provides lower rates on loans and higher rates on deposits.
  • Savings & Loan (S&L) – A depository focused on mortgage lending and consumer savings accounts; regulated by the Office of the Comptroller of the Currency (OCC).
  • Reserve Requirement (RR) – The percentage of deposits that banks must hold as reserves: RR = Required Reserves ÷ Total Deposits.
  • Federal Funds Rate – The interest rate banks charge each other for overnight borrowing of reserves; the Fed’s primary tool for monetary policy.
  • APR (Annual Percentage Rate) – The yearly cost of borrowing, including interest and fees: APR = (Periodic Rate × Number of Periods) + Fees ÷ Loan Amount.
  • Loan?to?Value (LTV) Ratio – Used for secured loans (e.g., mortgages): LTV = Loan Amount ÷ Collateral Value × 100%.
  • Secured vs. Unsecured Loan – Secured loans are backed by collateral (e.g., auto loan); unsecured loans rely only on creditworthiness (e.g., credit?card debt).
  • Discount Window – The Fed’s short?term lending facility that provides reserves to banks at the discount rate.
  • Open?Market Operations (OMO) – The Fed buys or sells Treasury securities to increase or decrease the money supply.
  • Money Multiplier – The theoretical maximum increase in money supply from a unit of reserves: Money Multiplier = 1 ÷ RR.

Step?by?Step / Process Flow

  1. Identify the financing need – Determine the amount, purpose, and time horizon (e.g., $25,000 for a school robotics competition).
  2. Select the appropriate loan type – Match need to loan product (secured auto loan, unsecured personal loan, line of credit, or commercial mortgage).
  3. Calculate the cost of credit – Use APR or simple interest formulas to compare offers; include any origination fees.
  4. Assess the depository’s terms – Review reserve requirement impact, LTV limits, and whether the institution is a bank, credit union, or S&L.
  5. Factor in Federal Reserve conditions – Check the current federal funds rate and recent OMO activity; higher rates usually raise loan costs.
  6. Make a recommendation – Choose the loan with the lowest effective cost that meets LTV and cash?flow requirements, and justify using the data gathered.

Common Mistakes

  • Mistake: Treating the reserve requirement as a cost to the borrower.
    Correction: RR affects how much banks can lend, not the borrower’s interest rate; it’s a regulatory figure, not a fee.

  • Mistake: Confusing APR with the nominal interest rate and ignoring fees.
    Correction: APR = (interest + fees) ÷ loan amount, expressed annually; always include fees for a true cost comparison.

  • Mistake: Assuming all depository institutions offer the same loan rates.
    Correction: Credit unions often provide lower rates due to their not?for?profit status; always compare across institution types.

  • Mistake: Using the discount rate as the same as the federal funds rate.
    Correction: The discount rate is the Fed’s direct loan rate to banks; the federal funds rate is the market rate banks charge each other.

  • Mistake: Forgetting that OMOs affect loan costs indirectly through the money supply.
    Correction: When the Fed sells securities, money supply contracts, rates rise, and loan costs increase; the opposite occurs when it buys securities.


Exam Insights

  1. Distinguish institution types – DECA often asks which entity is best for a given scenario (e.g., “Which depository is most likely to offer the lowest APR for a student loan?” – answer: credit union).
  2. Reserve requirement vs. discount window – Expect a question that asks which tool the Fed uses to directly provide reserves to banks (discount window) versus influencing rates (federal funds rate).
  3. LTV calculations – A common case study will give a home value and loan amount; you’ll need to compute LTV and decide if it meets the typical 80% threshold for conventional mortgages.
  4. Role?play tip: When presenting a financing recommendation, cite the current federal funds rate and OMOs to show you understand macro?economic influences on borrowing costs.

Quick Check Questions

  1. A school club needs a $10,000 unsecured loan with a 5% annual interest rate and a $200 origination fee. What is the APR?
    Answer: 5.20% APR.
    Explanation: APR = [(5% × 1) + $200] ÷ $10,000 = 0.05 + 0.02 = 0.07-5% interest + 2% fee = 5.20%.*

  2. If a bank holds $2 million in deposits and the reserve requirement is 10%, what is the maximum amount of new loans the bank can issue?
    Answer: $1.8 million.
    Explanation: Required reserves = 10% × $2M = $200,000; excess reserves = $2M – $200,000 = $1.8M, which can be loaned out.

  3. The Fed sells $500 million of Treasury securities in an open?market operation. What is the immediate effect on the federal funds rate?
    Answer: It rises.
    Explanation: Selling securities drains reserves from the banking system, reducing supply of funds and pushing the federal funds rate upward.


Last?Minute Cram Sheet (10 one?liners)

  1. Depository institutions = banks, credit unions, S&Ls – they accept deposits and make loans.
  2. Reserve Requirement (RR) = Required Reserves ÷ Total Deposits – a regulatory ratio, not a fee.
  3. Money Multiplier = 1 ÷ RR – shows potential money?supply expansion from one dollar of reserves.
  4. APR = (Periodic Rate × Periods) + Fees ÷ Loan Amount – always include fees.
  5. LTV = Loan ÷ Collateral Value × 100% – ?80% is typical for conventional mortgages.
  6. Discount Window = Fed’s direct loan to banks; rate = Discount Rate – not the same as the federal funds rate.
  7. Federal Funds Rate = Rate banks charge each other for overnight reserves – the Fed’s primary policy lever.
  8. Open?Market Operations = Fed buys (lowers rates) or sells (raises rates) Treasuries – the most frequently tested tool.
  9. Secured loans require collateral; unsecured loans do not – collateral lowers risk and interest cost.
  10. Credit unions = member?owned, not?for?profit-usually lower APRs than commercial banks.