Study guides, Class notes & Summaries

Econometrics Midterm & Final Exam Questions and answers Econometrics -Answer-The science of testing economic theories. Also it works as a set of tools used for forecasting future values of economic variables as well as being the process of fitting mathematical economic models to real world data. Econometrics uses historical data to make numerical, or quantitative, policy recommendations in government and business. Y-bar -Answer-The sampling average. It is an unbiased estimator for miuY, ...

Econometrics Test #1 Questions and Answers 100% Pass the residual value: -Answer-The difference between the estimated Y and the actual Y Ordinary least squares (OLS): -Answer-a regression estimate technique that calculates the coefficients so as to minimize the sum of the squared residuals Total sum of squares (TSS) = -Answer-Explained sum of squares (ESS) + Residual sum of squares (RSS) R^2 (coefficient of determination) -Answer-the most commonly used measure of fit equation for R^2 -An...

Week 1 (Chapter 1) Introduction to Econometrics Exam Questions and Answers 100% Pass Verified & Updated What is econometrics based upon? -Answer-the development of statistical methods for: 1) Estimating economic relationships 2) Testing economic theories 3) Evaluating and implementing government and business policy What is a common application of econometrics? -Answer-forecasting of important macroeconomic variables as: 1) interest rates 2) inflation rates 3) Gross domestic product (G...

Econometrics Test #1 Questions and Answers 100% Pass the residual value: -Answer-The difference between the estimated Y and the actual Y Ordinary least squares (OLS): -Answer-a regression estimate technique that calculates the coefficients so as to minimize the sum of the squared residuals Total sum of squares (TSS) = -Answer-Explained sum of squares (ESS) + Residual sum of squares (RSS) R^2 (coefficient of determination) -Answer-the most commonly used measure of fit equation for R^2 -An...

Econometrics Final Exam Questions and Answers 100% Pass Verified & Updated perfect multicollinearity -Answer--violates classical assumption VI (no ind var is a perfect linear function of one or more other ind vars) --if 2 exp vars are related then OLS computer program will find it difficult to distinguish effects of one var from the effects of another -variation in one exp var can be completely explained by movements in another exp var X₁ᵢ=

Week 1 (Chapter 1) Introduction to Econometrics Exam Questions and Answers 100% Pass Verified & Updated What is econometrics based upon? -Answer-the development of statistical methods for: 1) Estimating economic relationships 2) Testing economic theories 3) Evaluating and implementing government and business policy What is a common application of econometrics? -Answer-forecasting of important macroeconomic variables as: 1) interest rates 2) inflation rates 3) Gross domestic product (G...

Econometrics Midterm & Final Exam Questions and answers Econometrics -Answer-The science of testing economic theories. Also it works as a set of tools used for forecasting future values of economic variables as well as being the process of fitting mathematical economic models to real world data. Econometrics uses historical data to make numerical, or quantitative, policy recommendations in government and business. Y-bar -Answer-The sampling average. It is an unbiased estimator for miuY, ...

If two RVs are independent joint probability of them equals product of the probability of each RV - ANSWERS-If two RVs are independent joint probability of them equals product of the probability of each RV

Dependent Variable Correct Answer a variable (often denoted by y ) whose value depends on that of another. This is on the left hand side in the econometric method Econometric Model Correct Answer An econometric model specifies the statistical relationship that is believed to hold between the various economic quantities pertaining to a particular economic phenomenon under study Constant Correct Answer y = b1 + b2x + ei : b1 is the constant Econometric Method Correct Answer 1.Formulate a ...

Consider the following regression function to answer the questions below. (GRAPH WITH CURVE PICTURE) (a) Which of the following specifies a nonlinear regression that model this shape? (b) Which of the following economic relationships may exhibit a shape like this? (Check all that apply) Correct Answer a) Yi=β0+β1Xi+β2X2i+ui. b) -The relationship between wage earnings and years of experience. -The relationship between income and fertility. This is the correct answer. -The relatio...