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Write notes on omitted variable bias.   define what the issue is explain whether, or under what...

  1. Write notes on omitted variable bias.  
    1. define what the issue is
    2. explain whether, or under what circumstances, it causes a problem for inference in OLS regression
    1. explain how it can be detected (if it can)   
    2. state what action, if any, you should take to deal with the issue.

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