Econometric Theory

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Econometric Theory is a set of techniques used by economists to analyze and test economic theory and forecast the behavior of economic variables. Econometrics uses a variety of techniques, including regression analysis to compare and test two or more variables.

There are two main sections of this Wikibook. Chapters 2-4 give you a mathematical and statistical base needed to perform basic and advanced econometrics. Chapters 5 and 6 will give you the basics of bivariate and multivariate regression analysis and will present the problems with each. Chapters 7-14 will present ways to solve problems with the basic theory and will go into more advanced theory.

Infobox/Econometric Theory

[edit] Contents

  1. Introduction to Econometric Theory
    1. Methodology of Econometrics
    2. Types of Econometrics
    3. Statistical Packages
    4. Prerequisites
  2. Important Terms and Concepts of Regression Analysis
    1. What is Regression?
    2. Regression versus Causation and Correlation
    3. Terminology and Notation
    4. Data
  3. Statistical Concepts
    1. Summation and Product Operators
    2. Sample Points, Sample Space and Events
    3. Probability Density Function (PDF)
    4. Concepts of Probability Distributions
    5. Theoretical Probability Distribution
    6. Asymptotic Convergence
    7. Statistical Inference
      1. Estimation
      2. Hypothesis Testing
  4. Matrix Algebra
    1. Definitions
    2. Types of Matrices
    3. Matrix Operations
    4. Determinants
    5. Inverse of a square Matrix
    6. Matrix Differentiation
  5. Classical Normal Linear Regression Model (CNLRM)
    1. Assumptions of Classical Linear Regression Model
    2. Properties of OLS Estimators
      1. Proofs of properties of β1
    3. Maximum Likelihood (ML)
    4. Ordinary Least Squares (OLS)
      1. Normal Equations Proof
  6. Multiple Regression Analysis
    1. Ordinary Least Squares (OLS)
      1. Coefficients
      2. Variance
    2. General Least Squares (GLS)
      1. Coefficients
      2. Variance
    3. Inference
      1. t-Test
      2. F-Test
      3. The Coefficient of Determination: R
      4. The Likelihood Ratio (LR), Lagrange Multiplier (LM) and Wald (W) Tests
  7. Dummy Variables
    1. Problems with Heteroskedasticity and Autocorrelation
  8. Multicollinearity
    1. The Nature of Multicollinearity
    2. Theoretical Consequences in case of Multicollinearity
    3. Practical Consequences in case of Multicollinearity
    4. Tests for Multicollinearity
    5. Solutions to Multicollinearity
  9. Heteroskedasticity
    1. The Nature of Heteroskedasticity
    2. Theoretical Consequences in case of Heteroskedasticity
    3. Practical Consequences in case of Heteroskedasticity
    4. Tests for Heteroskedasticity
    5. Solutions to Heteroskedasticity
  10. Serial Correlation - Autocorrelation
  11. Simultaneous-Equation Models
  12. Time-Series Analysis
    1. First-Order Autocorrelation
    2. An Autoregressive (AR) Process
    3. A Moving-Average (MA) Process
    4. ARIMA Models
    5. Box-Jenkins Methodology of identifying, estimating and checking ARIMA Models
    6. Vector Autoregression
    7. ARCH
    8. GARCH
  13. Model Specification and Diagnostic Testing
    1. Specification Errors
    2. Tests of Specification Errors
    3. Incorrect Specification of Error Term
    4. Nested and Non-nested Models
    5. Model Selection Criteria
  14. Problems with Residuals: Robust Regression
    1. Outliers
    2. Leverage
    3. Heteroskedasticity-Consistent Estimators
  15. Microeconometrics: Qualitative Dependent Variable Models
    1. Introduction
    2. Linear Probability Model (LPM)
    3. Binary Choice Models
      1. Logit
      2. Probit
      3. Tobit
    4. Poisson Regression
  16. Study Aides and Equations
    1. Basic Statistics
    2. Hypothesis Testing
    3. SLR
    4. MLR

[edit] References

Ramanathan, Ramu. "Introductory Econometrics with Applications." South-western Thomson Learning, 2002.

[edit] Resources

  • Gretl Gnu Regression, Econometrics and Time Series Library, open source and free software for econometric calculus.