1. Consider the nonlinear regression problem, Y = aebxU, with parameters a and b and with multiplicative error term U. If we take the logarithm of both sides, this becomes ____.

ln(y) = log(a) + bx + u,

log(y) = ln(a) + bx + u,

ln(y) = ln(a) + lnbx + u,

—>> ln(y) = ln(a) + bx + u,

2. What does a Durbin-Watson stat value of 2.024903 indicates?

—>> Absence of autocorrelation

Absence of heterogeneity

Presence of autocorrelation

Presence of heterogeneity

3. Kurtosis shows the ____ of the graph.

weight

—>> height

breadth

length

4. The mean is normally surposed to be____

—>> zero

one

two

three

5. It allows Economists to sift through mountains of data to extract simple relationships

Mathematical Economic

—>> Econometrics

Statistics

Macroeconomics

6. Is NOT a source of deviation in parameter model estimation

Omission of variable(s)

Random behaviour of human beings

Imperfect specification of the mathematical form of the model

—>> Perfect specification of the mathematical form of the model

7. Given a linear regression model, GDP= β0 + β1 Inflation+ U: All of the following stands for U EXCEPT

—>> An intercept

the error term

the random disturbance term

the stochastic term

8. It becomes ____ when the dependent variable has only two response category such as “Yes†or “Noâ€.

—>> binary (dichotomous)

Ordered category

Multinomial category

Polychotomous category

9. In econometric research there are four main stages; which of the following is NOT among them?

Model Formulation

Model Estimation

—>> Model simulation aggregation

Evaluation of Model Estimates

10. Is an examples of nonlinear function.

exponential functions

logarithmic functions

—>> algebraic functions

Lorenz curves

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