Graduate Prerequisites: (GRSEC705 & GRSEC707) or consent of instructor. - Advanced treatment of econometric theory: projections, OLS, asymptotic theory, instrumental variables, GLS, heteroskedasticity and autocorrelation robust standard errors, multivariate systems, non-linear models, maximum likelihood, misspecified models, hypothesis testing, introduction to time series, unit root and cointegration, simultaneous equations, GMM.