'Simple ols' presentation slideshows

4. Using panel data

4. Using panel data. 4.1 The basic idea 4.2 Linear regression 4.3 Logit and probit models 4.4 Other models. 4.1 The basic idea. Panel data = data that are pooled for the same companies across time.

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Review Section on Instrumental Variables

Review Section on Instrumental Variables. Economics 1018 Abby Williamson and Hongyi Li October 11, 2006. Agenda. Administrative Issues Instrumental Variables (IV) Review Why would you need an IV? (Abby) How do IV work? (Hongyi) An IV Example (Hongyi)

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