mid09 - Midterm Exam, Econ 210, Fall 2009 Answer Question 1...

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Midterm Exam, Econ 210, Fall 2009 Answer Question 1 and any 3 of the other questions. Question 1. Mary Granola consumes only two goods and her utility function is U ( x 1 ,x 2 ) = (min { 2 x 1 + x 2 ,x 1 + 2 x 2 } ) 2 . a) Draw some indifference curves for Mary. b) Is Mary’s utility function concave? Is it quasi-concave? c) Is Mary’s utility function homogeneous? Is it homothetic? d) Find Mary’s Marshallian demands for the two goods. (Be sure to account for corner solutions and note that at certain prices her demand is not single-valued.) e) Find Mary’s indirect utility function. (Be sure to show this function for price- income situations that lead to corner solutions as well as interior solutions.) f) Verify that Roy’s identity holds for Mary. g) Find Mary’s expenditure function. (Hint: You can ease the task of finding the expenditure function by making use of the fact that v ( p,e ( p,u )) = u h) Find Mary’s Hicksian demand functions. Question 2.
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This note was uploaded on 02/01/2011 for the course ECONOMY 6 taught by Professor Fallahi during the Spring '10 term at Cambridge.

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mid09 - Midterm Exam, Econ 210, Fall 2009 Answer Question 1...

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