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econ 208
| Question | Answer |
|---|---|
| Price Elasticity of Demand Formula | percent change Qx / percent change Px |
| XED Formula | percent change Qx / percent change Py |
| YED Formula | percent change Q / percent change Income |
| If PED=0, price is ____ which means ____. | perfectly inelastic, people will pay despite price changes |
| If 0<PED<1, price is _____ which means ____. | relatively inelastic, they goods are necessities and don't frequently fluctuate |
| If PED=1, price is ____ which means ____. | unit elastic, Qd changes perfectly in proportion to price change |
| If PED>1, price is ____ which means ____. | relatively elastic, customers are sensitive to price (goods with substitutes, luxury goods) |
| If PED = infinity, price is ____ which means ____. | perfectly elastic, consumers will only purchase at one certain price point (ex: wheat) |
| If XED>0 (pos), the goods are ____. | Substitutes |
| If XED<0 (neg), the goods are ____. | Complements |
| If XED=0, the goods are ____. | Independent |
| How does elasticity impact total revenue if there is a price increase? | Elastic: TR decreases Inelastic: TR increases Unit elastic: TR is unchanged |
| Positive YED indicates that the good is ____. This means that there is a ____ relationship between Qd and income. | Normal, positive |
| Positive YED indicates that the good is ____. This means that there is a ____ relationship between Qd and income. | Inferior, negative |
| Budget Formula | Income = (Qy(Py)) + (Qx(Px)) |
| Optimal Consumption Formula | MUx/Px = MUy/Py |
| Marginal Rate of Substitution | MRS = MUx/MUy |
| Marginal Product | MP = Change in TP/Change in Labor |
| TVC | TC - TFC |
| TFC | TC - TVC |
| AVC | TVC/Q |
| AFC | TFC/Q |
| ATC | TC/Q |
| Marginal Cost | Change in TC / Change in Q |
| Shutdown relationship | Profit < AVC Minimum |
| Based on elasticity, who bears the burden more? | Whichever side is more inelastic bears greater tax incidence |
| Consumer Surplus and Producer Surplus | a= (1/2) bh |