when to keep a variable in multiple regression which variable is insignificant when you add an explanatory variable? why do you find it insufficient to interpret the interaction term? p. if fdi is insignificant what variable becomes insignificant when to add fdi to the variable what is the interaction of the explanatory variable in a policy analysis? when do you remove control variables from an analysis? when should a control variable be kept what is the interaction term of the experiment? if political stability is insignificant, what is the relationship between an explanatory variable and a control variable? when do i need to keep the variable which is a significant interaction variable in a multiple regression analysis what is meant by interaction terms why does fdi become negative on the economic side what's the interaction between fdi and inflation in regression what is the relationship between economic openness and fiscal vigour why is economic stability insignificant when it is removed when can you remove a variable from an analysis why does fdi become negative when a variable is added? when to exclude a control variable when should you add fdi to a set of variables