AEM 4110 (fall 2020)

Here I provide my detailed solutions to all Lab computer exercises and to some additional exercises from "Principles of Econometrics" by Hill, Griffiths, and Lim (5th edition). Click on "Labs" or "Extra practice problems" to navigate to a corresponding folder. Please let me know if you find any typos / errors.

Labs:

Lab 1: Ex. 3.22 (Hypothesis testing)Lab 2: Ex. 4.28 (Models with logs, influential observations)Lab 3: Ex. 5.27 (Marginal effects, CI's with combinations of coefficients)Lab 4: Ex. 6.19 (Joint hypothesis testing)Lab 5: Ex. 7.17 (Dummies, Chow test)Lab 6: Ex. 8.23 (Feasible generalized least squares)Lab 7: Ex. 9.19 (Serial autocorrelation)Lab 8: Ex. 10.21 (Instrumental variables)Lab 9: Ex. 11.21 (IVs in simultaneous equations models)Lab 10: Ex. 12.13 (Stationarity & cointegration)Lab 11: Ex. 15.25 (Fixed vs. random effects models)Lab 12: Ex. 16.21 (Conditional logit models)

Extra practice problems by topic:

Hypothesis testing: 3.19Estimating models with logs: 4.25Estimating first differences models: 4.18Estimating marginal effects: 5.24Checking for model specification errors: 6.30Difference-in-differences models: 7.24Forecasting with time series data: 9.16 & 9.17Checking for serial autocorrelation: 9.21Performing unit root tests: 12.21 & 12.29

Study guides:

Common tests (stationarity, heteroskedasticity, etc. )

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