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ADAM SMITH: A Scottish professor (born 1723, died 1790) who is considered the father of modern economics for his revolutionary book, entitled An Inquiry into the Nature and Causes of the Wealth of Nations published in 1776.
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Lesson 12: Elasticity and Demand | Unit 5: Other Measures
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Page: 24 of 25
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Topic:
Cross Elasticity Of Demand
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- How responsive is my demand to this change in my other prices? To answer these questions, we need the cross elasticity of demand.
- Cross elasticity of demand is the relative response of the demand for one good to changes in the price of another good.
- Or stated in percentage terms: the cross elasticity of demand is the percentage change in demand for one good resulting from a percentage change in the price of another good.
- The cross elasticity of demand is a handy numerical measure commonly used by economists to identify complement and substitute goods:
- For a substitute good, cross elasticity is positive, meaning that an increase in the price of one good leads to an increase in demand for the other good.
- For an complement good, cross elasticity is negative, meaning that an increase in the price of one good leads to a decrease in demand for the other good.
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SHORT-RUN PRODUCTION ALTERNATIVES A firm faces three production options in the short run based on a comparison between price, average total cost, and average variable cost. If price is greater than average total cost, a firm earns an economic profit by producing the quantity that equates marginal revenue with marginal cost. If price is less than average total cost but greater than average variable cost, a firm incurs an economic loss, but produces the quantity that equates marginal revenue with marginal cost. If price is less than average variable cost, a firm shuts down production in the short run, incurring an economic loss equal to total fixed cost.
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PINK FADFLY
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Today, you are likely to spend a great deal of time at a garage sale trying to buy either one of those memory foam pillows or a remote controlled train set. Be on the lookout for small children selling products door-to-door.
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Helping spur the U.S. industrial revolution, Thomas Edison patented nearly 1300 inventions, 300 of which came out of his Menlo Park "invention factory" during a four-year period.
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"Sometimes when you innovate, you make mistakes. It is best to admit them quickly and get on with improving your other innovations. " -- Steve Jobs, Apple Computer founder
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AOQL
Average Outgoing Quality Limit
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