This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: variable, so it should be treated as any specific number in the proof. From step 2 to step 3 in the proof, first distribute the expectation to each term } )] ( {[ ] ) ( 2 [ ) ( )] ( [ ) ( 2 ( 2 2 2 2 x E E x x E E x E x E x x E x E= +. As E(x) is a constant, ) ( ) ( 2 ] ) ( 2 [ x E x E x x E E = , ( a constant can be taken out of the expectation) and 2 2 )] ( [ } )] ( {[ x E x E E = (expectation of a constant is equal to the constant itself, E(x)) Answer Key to Problem Set 6 Fall 2005 Econ 3818300 3 Answer Key to Problem Set 6 Fall 2005 Econ 3818300 4 Answer Key to Problem Set 6 Fall 2005 Econ 3818300 5...
View
Full
Document
This note was uploaded on 03/18/2012 for the course ECON 3818 taught by Professor Jeffreys.zax during the Fall '05 term at University of Colorado Denver.
 Fall '05
 JeffreyS.Zax
 Economics

Click to edit the document details