is it justified to include a lagged dependent variable into a regression? why does ldv bias regressions which is a useful independent variable can i include a dependent variable that is lagged why is ldv necessary in regression analysis why do we need a lagged dependent variable ldv definition statistics which regression model uses a lagged dependent variable when to include ldv in regression how to include a lagged dependent variable in regression can a dependent variable be included in a regression can we include lagged variable in regression why would one include a lagged variable in a regression model? which dependent variable is ldv? if a ldv is included in a regression model, why is ldv a dependent variable which variable should be included in the lagged variable does lagged dependent variable bias why do you include a lagged dependent? when to include a lagged dependent variable