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EC220
Lecture Topics
Michaelmas 2009
2009/2010
.
This schedule is provisional because it is not possible to anticipate exactly how much time each topic
will require. Each topic will be presented as a PowerPoint slideshow.
The slideshows may be
reviewed by going to the website for the course, econ.lse.ac.uk/courses/ec220, and clicking on the
name of the slideshow.
A menu asking you whether you wish to open the slideshow, or save it to disk,
will appear.
Choose open.
(You may also save it if you wish.).
This will launch PowerPoint.
Then
click on Slide Show on the menu at the top, and the View Show.
Alternatively, click on the slideshow
icon at the bottom of the screen, on the left.
Narrative boxes have been added to the slideshows on the
website to make them selfcontained.
Tuesday, October 6
Review
Probability distribution example:
X
is the sum of two dice
Expected value of a random variable
Expected value of a function of a random variable
Population variance of a discrete random variable
Expected value rules
Independence of two random variables
Alternative expression for population variance
The fixed and random components of a random variable
Continuous random variables
Thursday, October 8
Review
Covariance, covariance and variance rules, and correlation
Sampling and estimators
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 Spring '10
 öcal
 Econometrics

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