country

  1. G

    Create a dummy conditional on two other variables

    Hello there, I have data on European Union membership in the form of a dummy variable were eu_o = Origin is a member, eu_d=Destination is a member. I want to create another dummy variable that takes the value of 1 if both eu_o=eu_d=1. Is there a command to do this?
  2. S

    2 or 3 level multilevel model? Quick query

    Hi there, The title should read 3 or 4 level multilevel model, my apologies. I am estimating a multilevel model (in Stata). My goal is to examine the effects of the explanatory variables on the country level. My data is clustered within age cohorts and then countries with years clustered...