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  2. Merton's portfolio problem - Wikipedia

    en.wikipedia.org/wiki/Merton's_portfolio_problem

    Although this cost structure seems unrepresentative of real life transaction costs, it can be used to find approximate solutions in cases with additional assets, [11] for example individual stocks, where it becomes difficult or intractable to give exact solutions for the problem. The assumption of constant investment opportunities can be relaxed.

  3. Black–Derman–Toy model - Wikipedia

    en.wikipedia.org/wiki/Black–Derman–Toy_model

    In mathematical finance, the Black–Derman–Toy model (BDT) is a popular short-rate model used in the pricing of bond options, swaptions and other interest rate derivatives; see Lattice model (finance) § Interest rate derivatives.

  4. Dedicated portfolio theory - Wikipedia

    en.wikipedia.org/wiki/Dedicated_portfolio_theory

    Dedicated portfolio theory, in finance, deals with the characteristics and features of a portfolio built to generate a predictable stream of future cash inflows.This is achieved by purchasing bonds and/or other fixed income securities (such as certificates of deposit) that can and usually are held to maturity to generate this predictable stream from the coupon interest and/or the repayment of ...

  5. Stocks vs. bonds: Which is a better choice for you? - AOL

    www.aol.com/finance/stocks-vs-bonds-better...

    On the other hand, bonds and other short-term fixed income securities tend to be a better option for short-term goals because they are typically less volatile than stocks and can help generate ...

  6. Zero-coupon bonds: What they are, pros and cons, tips to invest

    www.aol.com/finance/zero-coupon-bonds-pros-cons...

    For example, you might pay $5,000 for a zero-coupon bond with a face value of $10,000 and receive the full price, $10,000, upon maturity in 20 or 30 years. Zero-coupon CDs work the same way.

  7. Corporate bonds: Here are the big risks and rewards - AOL

    www.aol.com/finance/corporate-bonds-big-risks...

    Cheaper than buying individual bonds: The bond market is usually less liquid than the stock market, with wider bid-ask spreads costing investors more money. With a bond ETF, you can use the fund ...

  8. List of unsolved problems in physics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result. The others are experimental, meaning that there is a difficulty in creating an experiment to test a proposed theory or investigate a phenomenon in greater detail.

  9. How to invest in bonds - AOL

    www.aol.com/finance/invest-bonds-182100045.html

    Buying individual bonds through a brokerage account: You can buy bonds through most brokers like you would stocks. Fees vary greatly, though, and navigating all the options can be confusing, with ...