Pooled OLS Models Are Biased When

question 2

Multiple Choice

Pooled OLS models are biased when:

• A) When the fixed effects are correlated with the independent variable.
• B) When the fixed effects are correlated with the dependent variable.
• C) When the fixed effects model is used when in reality there are no fixed effects in the data.
• D) When we don't know the direction of the fixed effects.

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Definitions:

MEO

Medium Earth Orbit, a type of orbit for satellites that is located approximately 2,000-35,786 kilometers above the Earth's surface.

GEO

An abbreviation for Geostationary Orbit, a circular orbit 35,786 kilometers above the Earth's equator and following the direction of the Earth's rotation.

LEO

Low Earth Orbit, a satellite system orbiting relatively close to Earth, often used for telecommunications, military, and observation purposes.

Footprint

In a technological context, the term often refers to the amount of space occupied by a device, or the environmental impact of producing and disposing of it.