ps3_4_5-2 key

ps3_4_5-2 key - 1 y x 4 ln x Then 4 x 3 ln x 1 y 4 x3 x y 4...

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ECON300 second midterm Page 1 of 6 1. 4 ln y xx . Then A. 3 4l n y c B. 3 1 4 y x x C. 33 n y x c ± D. 35 n y x c ± E. None of the above 2. 2 ln( 4 8) yx x ± ± . Then A. 2 4 y x c ± B. (2 4) x ye ± C. 24 x y x ± D. 2 48 x y x x ± ±± E. None of the above 3. 4 y x . Then A. 3/2 2 y x c ² B. 2 y x C. 2 y x D. 2 y x E. None of the above 4. Demand is given by 10 2 qp ² . What is the price elasticity of demand at p = 2? A. 2/3 B. 1/2 C. 3/2 D. 2 E. None of the above

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ECON300 second midterm Page 2 of 6 5. 1/3 2/3 3 QK L . Then A. 2/3 2/3 MPK K L ± B. 1/3 1/3 2 MPL K L ± C. Q is homogeneous of degree 1 D. All of the above E. None of the above 6. 1/3 3 L . Then A. dK K dL L ± B. dK L dL K ± C. 2 dK L dL K ± D. 2 dK K dL L ± E. None of the above 7. 1/4 1/2 4. L Then A. Q is homogenous of degree 1/4 B. Q has decreasing returns to scale C. Q has constant returns to scale D. Q has increasing returns to scale E. None of the above 8. 22 73 2 ;4 9 ;5 . y xx w w x zw z ²² ± What is dy / dz ? A. (14 3 )4 (3 4 )5 x xw w ² B. (4 3 )5 x wx w ² C. 4 )4 x w ² D. x w ² E. None of the above 9. If all the partial derivatives of the function 12 (, ) fxx
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This note was uploaded on 12/04/2011 for the course ECON 300 taught by Professor Cramton during the Fall '08 term at Maryland.

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ps3_4_5-2 key - 1 y x 4 ln x Then 4 x 3 ln x 1 y 4 x3 x y 4...

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