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Economics- Edexcel 3.3.1

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Term
Definition
revenue   income generated from the sale of goods and services in a market  
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AR   average revenue  
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average revenue   price per unit  
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average revenue formula   total revenue / output  
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MR   marginal revenue  
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marginal revenue formula   change in revenue from selling one extra unit of output  
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TR   total revenue  
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total revenue formula   price per unit * quantity or AR * Q  
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where does maximum total revenue occur?   where marginal revenue is zero  
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what does it mean when total revenue is at maximum?   no more added revenue can be achieved from producing and then selling an extra unit of output  
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what is the coefficient of price elasticity of demand when marginal revenue is zero?   1  
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what happens when marginal revenue becomes negative?   if prices were cut further then total revenue would fall  
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where do price takers operate?   in perfectly competitive markets  
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what happens to revenues at high prices?   a fall in price will have an elastic price response causing total revenue to rise  
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