## Wednesday, January 21, 2015

### Does an Inexpensive Wedding lead to a Longer Marriage?

In Principles of Microeconomics, one of the topics I talk about on the first day in class is the difference between correlation and causation. Correlation is a measure of how close two variables move together and causation is a way to saying that a change in one variable results in a change in another variable. Here is an interesting application of this correlation vs. causation distinction: wedding costs and length of marriage.

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