# 08 Nonlinear regression Flashcards

1

Q

types of nonlinear regression using logarithms

A

linear-log model

log-linear model

log-log model

2

Q

linear-log model

A

A nonlinear regression function in which the dependent variable is Y and the independent variable is ln(X)

3

Q

log-linear model

A

A nonlinear regression function in which the dependent variable is ln(Y) and the independent variable is X

4

Q

log-log model

A

A nonlinear regression function in which the dependent variable is ln(Y) and the independent variable is ln(X)

5

Q

how to choose best nonlinear regression model

A

- scatter plot
- t-tests, F-tests
- economic theory, experts

6

Q

interaction term

A

A regressor that is formed as the product of two other regressors, such as X1i x X2i