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14.384

Time Series Analysis

5-0-7 units · Graduate

Studies theory and application of time series methods in econometrics, including spectral analysis, estimation with stationary and non-stationary processes, VARs, factor models, unit roots, cointegration, and Bayesian methods. Enrollment limited.

Fall 2013

Topics

  • Introduction to stationary time series _ARMA, limit theory for stationary time series, causal relationships, HAC_
  • Frequency domain analysis _Spectra; filters; transforms; nonparametric estimation_
  • Model selection and information _Consistent estimation of number of lags, discussion of non-uniformity and post-selection inferences_
  • VAR _Definition, estimation: OLS, ML, Granger causality, impulse response functions and variance decompositions_
  • Structural VARs _Identification, short term restrictions, long-term restrictions_
  • VAR and DSGE models _World decomposition, fundamentality of shocks, do long-run restrictions identify anything_
  • Factor model and FAVAR _Motivation, principal components, choosing number of static and dynamic factors, structural FAVAR, IV regression with factors_
  • Asymptotic theory of empirical processes
  • Univariate unit roots and near unit root problem _Unit root problem, unit root testing, confidence sets for persistence, tests for stationarity_
  • Structural breaks and non-linearity _Testing for breaks with known and unknown dates, multiple breaks, estimating number of breaks_
  • Multivariate unit roots and co-integration _Estimating cointegration relations, canonical form_
  • Persistent regressors (prediction regression) _Limit theory, Stambaugh correction, nuisance parameter problem, conservative procedures, conditional procedures_
  • GMM and Simulated GMM _GMM estimation and asymptotic theory, testing in GMM setting, simulated method of moments and time series specifics: estimation of covariance structure, initial condition problem, indirect inference_
  • Weak IV _What is weak IV?, alternative asymptotic theory, how to detect weak IV, procedures robust to weak IV, unsolved problems._
  • Kalman filter and its applications _State-Space models, time varying coefficients_
  • ML estimation of DSGE _Stochastic singularities problem, misspecification and quasi-ML, identification_
  • Identification and weak identification of DSGE
  • Bayesian concepts
  • Markov Chain Monte Carlo (MCMC) _Metropolis-Hastings, Gibbs sampler, data augmentation_
  • Estimation of DSGE models using Bayesian methods

Readings

Prerequisites & course information

Prereq: 14.382 or permission of instructor G (Fall) 5-0-7 units

Sources