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ELASTICITY AND DEMAND SLOPE: The slope of a straight-line demand curve, one with a constant slope, has constantly change elasticity. No two points on a straight-line demand curve as the same elasticity. The point of intersection between the demand curve and the vertical, price axis is perfectly elastic (E = ∞). The intersection point between the demand curve and the horizontal, quantity axis is perfectly inelastic (E = 0). The exact middle, or midpoint, of the demand curve is unit elastic (E = 1). The segment between the midpoint and the price-axis intercept is relatively elastic (1 < E < ∞). The segment between the midpoint and the quantitY-axis intercept is relatively inelastic (0 < E < 1).
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PURPLE SMARPHIN
Your compete MICRO*scope for today
You are the type of person who shops when you have to and buys what you need, but usually has more important things to do. Family and friends treat you as a walking encyclopedia, which is okay with you. Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway hoping to buy either a small, foam rubber football or an instructional DVD on learning to the play the oboe. Be on the lookout for the happiest person in the room. You should consider shopping at stores or businesses beginning with the letter W, but do not buy any products with a serial number or product code containing the number 657612. Your preferred shopping venue is the Internet. Your special symbol is the exclamation point (!).
Is this You?
As a Purple Smarphin, you are the brightest and most intelligent person you know. And that goes for shopping, too. You know exactly what you want. You know exactly what it costs. You know exactly when and where to buy. But, of course, shopping is only one of the many activities that attracts your intellectual attention. You shop when you need to and buy if have to, but shopping is not the end all of your life.
This isn't me! What am I?
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AVERAGE PRODUCT AND MARGINAL PRODUCT A mathematical connection between average product and marginal product stating that the change in the average product depends on a comparison between the average product and marginal product. If marginal product is less than average product, then average product declines. If marginal product is greater than average product, then average product rises. If marginal product is equal to average product, then average product does not change.
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Fact 3: Our Unfair LivesAcross the interstate from the Mega-Mart Discount Warehouse Super Center resides the Shady Valley Central Town Sprawling Hills Shopping Mall -- a prime example of our economy's climate-controlled, suburban shopping phenomenon. Our pedestrian's ramble through the economy would be totally inadequate if we did not spend at least one day strolling past the endless rows of stores with their displays of clothes, shoes, electronics, clothes, luggage, clothes, cheese pretzels, and of course clothes. Our pedestrian trip, however, is not concerned with the products exhibited beyond the stylish glass windows. No, our jumping off point is the gadzillions of people who pass us by, bump into us, get in our way, and generally make our shopping experience comparable to a commuter train during the rush hour. Those who comprise the shopping crowd are short, tall, young, old, fat, thin, black, white, happy, and sad. More importantly for our present discussion, however, is that some are rich and some are not-so-rich. A few of the wealthier shoppers actually buy the products framed by the picturesque windows that line the air-conditioned quaint mid-way of Shady Valley Central Town Sprawling Hills Shopping Mall. Others must be content to ogle the prominently displayed products or perhaps buy an occasional cheese pretzel.
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In the late 1800s and early 1900s, almost 2 million children were employed as factory workers.
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"Whenever you fall, pick up something. " -- Oswald Avery, scientist
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LRTC Long Run Total Cost
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