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 PERFECT COMPETITION, LONG-RUN EQUILIBRIUM CONDITIONS: The long-run equilibrium of a perfectly competitive industry generates six specific equilibrium conditions, including: (1) economic efficiency (P = MC), (2) profit maximization (MR = MC), (3) perfect competition (MR = AR = P), (4) breakeven output (P = AR = ATC), (5) minimum production cost (MC = ATC), and (6) minimum efficient scale (MC = ATC = LRAC = LRMC).
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 Lesson 10: Gross Domestic Product | Unit 3: Two Views of GDP Page: 14 of 25

 Topic: Demand and Supply <=PAGE BACK | PAGE NEXT=>

GDP can be measured in two different ways.
• Demand-side: In a market transaction, the buyer pays a price for a good or a service based on the value of the good. This indicates that the value of GDP can be measured from expenditures.
• Supply-side: For seller's, the revenue received from selling a good is used to pay resources--the cost of production. This indicates that the value of GDP can be measured by the resource cost of production.
• These two sides--expenditures and resources--give us two ways of measuring GDP.
• Each can be used to check the other.

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INFERIOR GOOD

A good for which a change in income causes an opposite change in demand. That is, an increase in income causes a decrease in demand and a decrease in income causes an increase in demand. The income elasticity of demand for an inferior good is negative. An inferior good is one of two alternatives falling within the buyers' income demand determinant. The other is a normal good.

 YELLOW CHIPPEROON[What's This?] Today, you are likely to spend a great deal of time searching for a specialty store hoping to buy either a rotisserie oven that can also toast bread or a flower arrangement in a coffee cup for your father. Be on the lookout for the last item on a shelf.Your Complete Scope
 Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
 "Man is born to live, not to prepare for life. "-- Boris Pasternak, writer