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Dive into the world of fixed rate mortgage loans, exploring characteristics, interest rate determinants, payment patterns, loan constants and costs, with examples and insights on effective borrowing costs.
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CHAPTER FOUR FIXED RATE MORTGAGE LOANS
Chapter Objectives • Characteristics of constant payment (CPM), constant amortization (CAM), and graduated payment mortgages (GPM) • Effective cost of borrowing v.s. lenders effective yield • Calculate discount points or loan origination fees
Determinants of Mortgage Interest Rates • Real rate of interest- the required rate at which economic units save rather than consume • Rate of inflation • Nominal rate or constant rate i= r+f • Nominal rate= real rate plus a premium for inflation
Determinants of Mortgage Interest Rates • Default risk- creditworthiness of borrowers • Interest rate risk- rate change due to market conditions and economic conditions • Prepayment risk- falling interest rates • Liquidity risk • i=r+ f+ P…
Development of Mortgage Payment Patterns • Constant amortization mortgage (CAM) • Constant payment • Interest computed on the monthly loan balance • Constant amortization amount • Total payment= constant amortization amount plus monthly interest
Development of Mortgage Payment Patterns • Constant payment mortgage (CPM) • Constant monthly payment on original loan • Fixed rate of interest for a given term • Amount of amortization varies each month • Completely repaid over the term of the loan
Development of Mortgage Payment Patterns • Graduated payment mortgage (GPM) • Mortgage payments are lower in the initial years of the loan • GPM payments are gradually increased at predetermined rates
Loan Constants • Used prior to financial calculators • Loan constant= annual debt service original loan balance
Loan Closing Costs and Effective Borrowing Costs • Statutory costs • Third party charges • Additional finance charges i.e. loan discount fees, points
Effective Interest Cost Examples • Contractual loan amount $60,000 • Less organization fee(3%) $ 1,800 • Net cash disbursed by lender $58,200 • Interest rate= 12% • Term 30 years
Effective Interest Cost Examples Continued • Calculator solution • n=360 • PMT= -617.17 • PV= 58,200 • FV= 0 • i=1.034324 (12.41% annualized)
Other Fixed Rate Mortgages • Characteristics and Requirements: • Regulation Z- truth in lending (APR) • RESPA- Real Estate Settlement Procedures Act • Prepayment penalties and other fees • Reverse annuity mortgages (RAMs)
Reverse Annuity Mortgage Example • Residential property value $500,000 • Loan amount (to be disbursed • in monthly installments) $250,000 • Term 10 years 120 months • Interest Rate 10%
Reverse Annuity Mortgage Example Continued • Calculator solution: • FV=-250,000 • i=10%/ 12 • PMT= ? • n=120 • Solve for payment $1220.44