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FACTOR DEMAND AND MARGINAL REVENUE PRODUCT: For a firm that hires the services of a factor in a perfectly competitive factor market, the factor demand curve is that portion of the marginal revenue product curve that lies below the average revenue product curve. The relation between marginal revenue product and factor demand for a perfectly competitive firm is comparable to the relation between marginal cost and short-run supply. A perfectly competitive firm maximizes profit by hiring the quantity of a factor that equates factor price and marginal revenue product. As such, the firm moves along it's marginal revenue product curve in response to alternative factor prices.
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MARGINAL PROPENSITY TO CONSUME The proportion of each additional dollar of household income that is used for consumption expenditures. The marginal propensity to consume (abbreviated MPC) is another term for the slope of the consumption line and is calculated as the change in consumption divided by the change in income. The MPC plays a central role in Keynesian economics. It quantifies the consumption-income relation and the fundamental psychological law. It is also a foundation for the slope of the aggregate expenditures line and is critical to the multiplier process. A related consumption measure is the average propensity to consume.
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"You don't have to see the top of the staircase to take the first step.¾ " -- Martin Luther King, civil rights leader
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Gambling On A State LOTTERYYou might recall during our discussion of gambling in the entry appropriately titled gambling, that I purchased $5 worth of Super Luck-O Multi-State Lottery tickets at the Master's Sprocket convenience store. Well, the day of the big drawing came and went. I was about as close to winning as the planet Pluto is to buying a Hot Mamma Fudge Bananarama Ice Cream Sundae on a cold winter morning. At least the five dollars I paid for lottery tickets goes to a good cause. The state uses a share of the proceeds for education, and that keeps my taxes lower. If you'll excuse me for a moment, I've got another ten bucks in my pocket screaming for the chance to by some more Super Luck-O Multi-State Lottery tickets. While I'm doing that, why don't you see if this is a wise consumption move on my part.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time flipping through the yellow pages hoping to buy either a key chain with a built-in flashlight and panic button or a green and yellow striped sweater vest. Be on the lookout for letters from the Internal Revenue Service.
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This isn't me! What am I?
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The average length of a "business lunch" is about 36 minutes.
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NLS
National Longitudinal Survey
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