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The conventional difference equation for a mortgage loan is relatively straightforward to derive - balance due in each successive period is the previous balance plus per period interest less the per period fixed payment. Given an annual interest rate r and a borrower with an annual payment capability M N (divided into N equal payments made at ...
In the simplest version, there is complete information. The Nash equilibrium is such that each bidder plays a mixed strategy and expected pay-offs are zero. [2] The seller's expected revenue is equal to the value of the prize. However, some economic experiments and studies have shown that over-bidding is common. That is, the seller's revenue ...
Note the dividend rate q 1 of the first asset remains the same even with change of pricing. Applying the Black-Scholes formula with these values as the appropriate inputs, e.g. initial asset value S 1 (0)/S 2 (0), interest rate q 2, volatility σ, etc., gives us the price of the option under numeraire pricing.
Each is non-negative and their sum is 1. This is the risk-neutral measure! Now it remains to show that it works as advertised, i.e. taking expected values with respect to this probability measure will give the right price at time 0. Suppose you have a security C whose price at time 0 is C(0). In the future, in a state i, its payoff will be C i.
For example, for bond options [3] the underlying is a bond, but the source of uncertainty is the annualized interest rate (i.e. the short rate). Here, for each randomly generated yield curve we observe a different resultant bond price on the option's exercise date; this bond price is then the input for the determination of the option's payoff.
The expected payoff for playing strategy 1 / 2 Y + 1 / 2 Z must be greater than the expected payoff for playing pure strategy X, assigning 1 / 2 and 1 / 2 as tester values. The argument for mixed strategy dominance can be made if there is at least one mixed strategy that allows for dominance.
The other method, Debt Avalanche, paying of highest interest rate first, will save the person in interest payment, if they stay motivated. The small debt, with lower interest rate will stay around longer. The debt snowball method has larger high-interest debts around longer, thus may take more time to pay off. [6]
The expected payoff for this equilibrium is 7(1/3) + 2(1/3) + 6(1/3) = 5 which is higher than the expected payoff of the mixed strategy Nash equilibrium. The following correlated equilibrium has an even higher payoff to both players: Recommend ( C , C ) with probability 1/2, and ( D , C ) and ( C , D ) with probability 1/4 each.