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MARGINAL PROPENSITY TO SAVE: The proportion of each additional dollar of household income that is used for saving. Or alternatively, this is the change in saving due to a change in disposable income. Abbreviated MPS, the marginal propensity to save is the slope of the saving or propensity-to-save line. It also takes center stage for the multiplier effect. In particular, the inverse of the MPS is the simple expenditure multiplier. The sum of the marginal propensity to save and the related concept, the marginal propensity to consume, is equal to one.

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TOTAL PHYSICAL PRODUCT

The total quantity of output produced by a firm for a given quantity of inputs. Total physical product is actually nothing more than total product. The insertion of the word "physical" merely keeps the phrase consistent with average physical product and marginal physical product, two terms useful in marginal-productivity theory and the analysis of factor demand.

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Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either a wall poster commemorating the first day of spring or a lazy Susan for you dining room table. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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The 22.6% decline in stock prices on October 19, 1987 was larger than the infamous 12.8% decline on October 29, 1929.
"Be willing to have it so. Acceptance of what has happened is the first step to overcoming the consequences of any misfortune."

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