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Law of Demand
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When a good's price is low, consumers will buy more of it. if price is high, consumers will not buy more of it
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Determents of Demand
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1. Increase Income2. Tastes/Seasons/Advertising3. # of Consumers4. Related Goods (compliments & substitutes)5. Expectations
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Elasticity of Demand
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The way customers respond to changes in price. dictates how drastically buyers will cut back or increase demand for good when price rises or falls
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Inelastic
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Demand for a good that you will keep buying despite a price increase or relatively unresponsive to price changes
(e.g. toilet paper) |
Elastic
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Buy much less for a good after small price increase. consumer very responsive to price changes
(e.g. Boston Globe) |
Elasticity Factors
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Luxury vs. necessity% of income - more cheap, less attentionsubstitutestime (demand for goods vs. services are elastic over time)
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Law of Supply
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Varies with price. if price increases, quantity increases
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Factors of Supply
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1. input costs (factor costs) (factors to produce product)2. technology (can lower production costs) 3, profitability of alternative profits4. # of other suppliers (if more suppliers enter market to produce certain good, market supply of good will rise) 5. expectations (see soybeans)
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Fixed Cost
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A cost that does not change, no matter how much of good is produced. most involve production facility (cost of building)
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Variable Cost
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Rise or fall depending on quantity produced. costs of raw materials & some labour.
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Marginal Cost
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Additional cost of producing one more unit
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Marginal Revenue
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Best level of output is to find where marginal revenue is equal to marginal cost
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Increase Marginal Returns
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Three tasks involve in making a beanbag
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Diminishing Marginal Returns
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4-7th worker hired, benefits of specialization end. produce less & less output from each additional unit of labor added to mix
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Perfect Competition
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Perfectly competitive market w/ large # of firms producing essentially the same product. each firm produces so little of product compared to total supply that one firm cannot hope to influence prices
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