Quiz, Chapter 1 and 2 Econometrics, código 06216. Elaborado por el profesor Julio César Alonso Cifuentes de la Facultad de Ciencias Administrativas y Económicas - Universidad Icesi. Contiene preguntas y respuestas

Alonso Cifuentes, Julio César

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Universidad Icesi   Departamento de Economía  Econometría  jcalonso@icesi.edu.co  Sem02-2008   Quiz # 2 Chapter 1 and 2 Econometrics 06216    Name_____________________________   • Choose the most correct answer • You have 5 minutes to solve out this quiz   1. If the expected value of the estimator is not equal to the real value of a parameter, we can say that:  a. Not necessarily, the estimator is biased. b. Necessarily, the estimator is biased. c. It is sufficient condition to say that the estimator is biased. d. B and C.  2. Regressor refers to: a. A variable that accounts for variation in an independent variable. b. A dependent variable. c. A non explanatory variable. d. None of the above.  3. If the disturbances are non heteroskedastic, it  can be said that: a. The errors have the same mean b. The errors have the same variance c. The errors have different variance d. The errors have different mean.  4. In a simple log-log regression model the slope coefficient measures a. the elasticity of Y with respect to X b. the value of Y for any given value of X c. the change in Y predicted by the model for a unit change in X d. the ratio Y/X  5. Ifθ and χ  are both unbiased estimators and Var(θ )<Var( χ ), we can affirm: a. θ gets closer to the true parameter value as the size of the sample increases  b. Var(θ ) gets smaller as the size of the sample increases c. θ  has the lowest variance than any other unbiased estimator  d. None of the above  

Quiz 2: Chapter 1 and 2 Econometrics 06216

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Quiz 2: Chapter 1 and 2 Econometrics 06216

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