Sample Selection Bias

question 5

Multiple Choice

Sample selection bias

• A)occurs when a selection process influences the availability of data and that process is related to the dependent variable.
• B)is only important for finite sample results.
• C)results in the OLS estimator being biased, although it is still consistent.
• D)is more important for nonlinear least squares estimation than for OLS.

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Definitions:

Courtesans

Courtesans were historically educated and sophisticated women who served as companions and sometimes sexual partners to wealthy or powerful men.

Hetaerae

In ancient Greece, educated and sophisticated companions or courtesans who engaged in long-term relationships with powerful men for their mutual benefit.

Ancient Greece

A period and place in history noted for its significant contributions to art, philosophy, politics, and the early development of democracy.

Erotic Wall Murals

Artworks painted on walls that depict sexually explicit scenes or themes.