All of the Following Are Reasons for Using the Differences

question 18

Multiple Choice

All of the following are reasons for using the differences estimator with additional regressors, with the exception of

• A)efficiency.
• B)providing a check for randomization.
• C)providing an adjustment for "conditional" randomization.
• D)making the difference estimator easier to calculate than in the case of the differences estimator without the additional regressors.

---

Definitions:

Supreme Court

The highest federal court in the United States, which has the ultimate appellate jurisdiction over all federal and state court cases involving issues of federal law.

Scientific Management

An approach to management focused on optimizing efficiency, improving labor productivity, and reducing waste through careful observation and measurement of tasks.

Frederick W. Taylor

An American mechanical engineer who sought to improve industrial efficiency and is known as the father of scientific management.

Economic Concentration

A situation where a small number of firms or businesses control a large portion of market share within an industry.