This is an introductory course to the science of building and using econometric models. It concentrates on single-equation regression models, simultaneous-equation models and time-series models. The estimation techniques used are OLS, ILS and 2SLS methods: particular emphasis is given to their geometric interpretation.R.S.Pindyck-D.L.Rubinfeld: Econometric models and economic forecast McGraw-Hill (III ed.)J.Johnston : Econometric Methods. McGraw - Hill (III ed.)