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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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BEIGE MUNDORTLE
Your compete MICRO*scope for today
You are the type of person who could be mistaken for a piece of furniture or perhaps a rock. Family and friends make appointments and luncheon dates with you, but often fail to show up. Today, you are likely to spend a great deal of time at a going out of business sale seeking to buy either a small, foam rubber football or an instructional DVD on learning to the play the oboe. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity. You should consider shopping at stores or businesses beginning with the letter M, but do not buy any products with a serial number or product code containing the number 988030. Your preferred shopping venue is discount super centers. Your special symbol is the period (.).
Is this You?
As a Beige Mundortle, you are somewhat dull, somewhat boring, somewhat lusterless. You don't particularly care and you don't really care that you don't care. You know that you have a somewhat drab, lackluster life, and that's just fine with you. You shop when you need to, buy what you have to, and get on with your life. It's just another day, another expenditure. You don't really care to spend a lot of time shopping, but you don't really care to spend a lot of time doing much of anything. Life goes on. So what? Who cares?
This isn't me! What am I?
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KINKED-DEMAND CURVE ANALYSIS An analysis using the kinked-demand curve to explain rigid prices often found with oligopoly. The kinked-demand curve contains two distinct segments--one for higher prices that is more elastic and one for lower prices that is less elastic. Key to this analysis is that the corresponding marginal revenue curve contains three segments--one associated with the more elastic segment, one associated with the less elastic segment, and one associated with the kink. A profit-maximizing firm can then equate marginal cost to a wide range of marginal revenue values along the vertical segment of the marginal revenue curve. This suggests that marginal cost must change significantly before an oligopolistic firm is inclined to change price.
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The Business About INVESTMENTI had fun that last time we wandered into Shady Valley's very own Happy-Time Gala-World Fun-Land Amusement Park, didn't you? Let's stroll through it again, just to see what adventures we might find. Okay, I admit to an ulterior motive. The Happy-Time Gala-World Fun-Land Amusement Park recently added a new ride -- the Cap'n Space Fright Whirl. If you thought the Monster Loop Death Plunge roller coaster was exciting, then you're in for a real treat with this one. My interest in the Cap'n Space Fright Whirl, however, is NOT from the standpoint of risking a recently eaten meal. On the contrary, I'm going to don my pointy-headed economist disguise and check out this mass of twisted metal and high-flying cages as a prime example of capital. In the process we might be able to gain some insight into the whys and wherefors of the thing we call investment.
Tell me more...
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In the early 1900s around 300 automobile companies operated in the United States.
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"The truth of the matter is that you always know the right thing to do. The hard part is doing it." -- Norman Schwarzkopf, US Army general
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FIFO First In First Out
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