why do you use lag operator and interaction term in stata what to do in stata to add lags to interactions why add lag operators in interaction terms why can't you use lag operators in stata how to use lag operator how to add lag operator in stata can you add lags to an interaction term in stata can you use lag operators with re in stata do you need to add lag operator in stata when to use lag operator can you use lag in stata when can you use lags with a continuous variable when to add interactivity term to stata dummy if a variable is lagged do you use lagged or lag operators in stata can you use lag operator in stata how to add lag operators in stata is it ok to add lags to an interaction term in stata do you use lag operator with interaction term stata which statement allows you to add the lag operator to a continuous variable in stata? when should the interaction term be added to a continuous variable in stata