which method best approximates the coefficient of the instrument used in a closed form model which of the following methods is quicker and easier to use? what is the iv method why would you use instrumental variables in modeling instrument model estimation what is mle variable used for what instrument variable is used to calculate the coefficients which method is faster, as it applies to a closed form equation? what is mmle variable which method is faster? can the instruments of an equation be used to estimate a model? which method to use to estimate variable coefficients is the instrument variable same as the instrumental variable? which method is faster how is the instrument variable used in mle which method of modeling uses instrumental variables? which method is faster which method best estimate an explanatory variable what is the instrument used to estimate the coefficients which method of modeling is faster