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Micro Economics

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Submitted By moonbeamshimmers
Words 336
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ECON 150
Assignment #1
October 11th 2010

1. A) i. If the price of cells phones decreases there will be an increase in the demand. ii. If the price of a cell phone is expected to fall next month, the short term demand will decrease until the lower price emerges and then demand will increase at that time. iii. If the price of a call from a cellphone decreases, the demand for cell phones will increase. iv. If the price of a call increases from a landline the demand for cell phones will increase. v. The introduction of a camera phone will increase demand of cell phones.

B) (See Attached Appendix 1) C) Event “i” illustrates the law of demand because everything is equal apart from the price.

2. A) The offering of online movie viewing will make the demand for in-store movie rentals more elastic.
B) The cross elasticity of demand for online movie rentals would be positive because it is a substitute for in-store movie rentals C) The cross elasticity of demand would be negative with respect to high speed internet and online movie rentals because the service is complementary.

3. A) Based on the news clip wedding events are a normal good because as the income decreases, demand increases.
B) Based on the news clip, weddings are more of a luxury because the demand is related to price and income. C) Given my answer to B, the income elasticity of demand would be greater than 1 because income is elastic in this situation. 4. A) Rick = $15
Sam = $17.50
Tom = $20
B) Rick has the largest producer surplus because he is willing to produce a ride for $12.50 while Sam and Tom are not.
C) The Marginal Social Cost (MSC) of producing 45 rides a day is $20.
D) Market supply is the horizontal sum of the individual curves and is formed by adding the quantities supplied by all the producers at each

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