Problem Set 3 Econ 300 Fall 2013 Due Date: October 24th Please return your answers in legible handwriting. Do don’t forget to write your NAME and University ID. Please show your work, you will be awarded partial credit for coherent attempts, but no credit will be granted for unjustified correct answers. 1. Calculate the following elasticities of ywith respect to x: a. yx at 15x b. 2y bx at 5x c. lnyx at 7x 2. Calculate the appropriate derivatives for the following functions: a. ( , , )yzf x y zx, calculate fx b. ()( , , )xyzf x y z e, calculate 2fxy c. 22( , , )f x y z x y z , calculate 22fx 3. Calculate the following derivativeyx for the following function: 2( , ) ln( )f x y x y x
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