PS4

  1. setup

    Primary seatbelt laws & traffic fatalities (Anderson 2008). What is the effect of a primary seatbelt law on traffic fatalities per capita?

  2. 1

    Causal diagram

  3. 2

    Pooled OLS

  4. 3

    Fixed effects (FE1)

  5. 4

    Two-way fixed effects (FE2)

  6. summary

    Overall takeaway