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Finance Theory
Foundations of Finance
01Defining Finance and the Financial System02Valuation and Management: The Two Challenges03Stocks, Flows, and the Five Cash-Flow Decisions04Time, Risk, and the Six Principles of Finance05How to Learn Finance: Practice and Study HabitsProblem set0/10Problem set 20/10Practice∞
Present Value
01Information and Price: An Auction and Fannie Mae02Who Pays for the Fannie and Freddie Guarantee?03What Counts as an Asset: Patents, Secrets, Brands04An Asset as a Sequence of Dated Cashflows05The Value Operator and the Cashflow Timeline06Dates as Currencies: Building Net Present Value07Discount Factors: Market Prices for Future Dollars08A Worked Net Present Value and Its Assumptions09The Opportunity Cost of Capital and Present ValueProblem set0/10Problem set 20/10MIT problem set0/5Practice∞
01Does the Currency Change an NPV's Sign?02Moral Hazard and Contagion: Where Bailouts Stop03The NPV Rule at Work, and Choosing the Rate04The Perpetuity: Why Cash Forever Is Worth C/r05Reading the Rate Off a Perpetuity's Price06The Growing Perpetuity, and When Growth Outruns r07Building the Annuity from Two Perpetuities08The Annuity Discount Factor and Mortgage Payments09APR, the Effective Annual Rate, and CompoundingProblem set0/10Problem set 20/10MIT problem set0/13Practice∞

Discount Factors: Market Prices for Future Dollars

Where do discount factors come from, and why would anyone pay only 97 cents today for a dollar guaranteed next year?


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Your summary note

    1. 1

      Reading an exchange rate off a live auction

      Record the auction of a claim to $1 in one year clearing at $0.97, state what the 3%3\%3% discount says about the issuer, and note the five-year claim is priced the same way.

    2. 2

      Discount factors ($t$0)\left(\frac{\text{\textdollar}_t}{\text{\textdollar}_0}\right)($0​$t​​) and the market's role

      Record the second name for these exchange rates and their typical size, and state the market as the source of the procedure's single input, aggregating everyone's judgment in place of invented numbers.

    3. 3

      Impatience, not risk, as what is discounted

      Record that certainty leaves no default risk, state impatience as what is discounted in both framings — postponed consumption and lending the dollar out — and keep inflation apart as a separate idea.

    Attempt 1 of 2