Loans and cash

Characteristics of swap contracts
Although technically a swap can have a single payment, most swaps involve multiple payments. Thus, we refer to a swap as a series of payments. In fact, we have already covered a swap with one payment, which is just a forward contract. Hence, a swap is basically a series of forward contracts. We can see that a swap is like an agreement to buy something over a period of time. We might be paying a variable price or a price that has already been fixed; we might be paying an uncertain price, or we might already know the price we shall pay.
When a swap is initiated, neither party pays any amount to the other: Therefore, a swap has zero value at the start of the contract. Although it is not absolutely necessary for this condition to be true, swaps are typically done in this fashion. Neither party pays anything up front. There is, however, a technical exception to this point in regard to currency swaps. Each party pays the notional principal to the other, but the amounts exchanged are equivalent, though denominated in two different currencies.
Each date on which the parties make payments is called a settlement date, sometimes called a payment date, and the time between settlement dates is called the settlement period. On a given settlement date when payments are due, one party makes a payment to the other, which in turn makes a payment to the first party. With the exception of currency swaps and a few variations associated with other types of swaps, both sets of payments are made in the same currency. Consequently, the parties typically agree to exchange only the net amount owed from one party to the other, a practice called netting. In currency swaps and a few other special cases, the payments are not made in the same currency; hence, the parties usually make separate payments without netting. Note the implication that swaps are generally settled in cash. It is quite rare for swaps to call for actual physical delivery of an underlying asset.
A swap always has a termination date, the date of the final payment. We can think of this date as its expiration date, as we do with other derivatives. The original time to maturity is sometimes called the tenor of a swap.
The swap market is almost exclusively an over-the-counter market, so swaps contracts are customized to the parties’ specific needs. Several of the leading futures exchanges have created futures contracts on swaps. These contracts allow participants to hedge and speculate on the rates that will prevail in the swap market at future dates. Of course, these contracts are not swaps themselves but, as derivatives of swaps, they can in some ways serve as substitutes for swaps. These futures contracts have been moderately successful, but their volume is insignificant compared with the over-the-counter market for swaps.
As we have discussed in previous series of posts, over-the-counter instruments are subject to default risk. Default is possible whenever a payment is due. When a series of payments is made, there is default risk potential throughout the life of the contract, depending on the financial condition of the two parties. But default can be somewhat complicated in swaps. Suppose, for example, that on a settlement date, Party A owes Party B a payment of $50,000 and Party B owes Party A a payment of $12,000. Agreeing to net, Party A owes Party B $38,000 for that particular payment. Party A may be illiquid, or perhaps even bankrupt, and unable to make the payment. But it may be the case that the market value of the swap, which reflects the present value of the remaining payments, could be positive from the perspective of Party A and negative from the perspective of Party B. In that case, Party B owes Party A more for the remaining payments.
The handling of default in swaps can be complicated, depending on the contract specifications and the applicable laws under which the contract was written. In most cases, the above situation would be resolved by having A be in default but possessing an asset, the swap, that can be used to help settle its other liabilities.

Without the application of labor, output will be zero. As additional units of labor are applied, total product (output) rises. As the first three units of labor are applied, total product increases by successively larger amounts (8, then 12, then 14). Beginning with the fourth unit, however, diminishing returns are confronted. When the fourth unit is added, marginal product- the change in the total product- declines to 12 (down from 14, when the third unit was applied). As additional units of labor are applied, marginal product continues to decline. It is increasingly difficult to squeeze a larger total product from the fixed resources (for example, plant size and equipment). Eventually, marginal product becomes negative (beginning with the tenth unit). Note that the average product increases as long as the marginal product is greater than the average product. Whenever the marginal unit’s contribution is greater than the average, it must cause the average to rise. (A good analogy would be your grade point average. If the grade you get in this course is higher than your overall grade point average, your grade point average has to go up.) Here, this is true through the first four units. The marginal product of the fifth unit of labor, though, is 10, less than the average product for the first four units of labor (11.5). Therefore, beginning with the fifth unit, the average product declines as additional labor is applied. When marginal productivity is below the average, it brings down the average product.