Unit Root Tests

question 32

Multiple Choice

Unit root tests

• A)use the standard normal distribution since they are based on the t-statistic.
• B)cannot use the standard normal distribution for statistical inference. As a result the ADF statistic has its own special table of critical values.
• C)can use the standard normal distribution only when testing that the level variable is stationary, but not the difference variable.
• D)can use the standard normal distribution but only if HAC standard errors were computed.

Understand the principles of marginal productivity theory of income distribution.

Recognize the impact of technological progress on the demand for labor.

Understand the importance of authenticity and continual learning in social media.

Recognize and differentiate between various technologies used in social media such as AR, VR, and MR.

---

Definitions:

Supply Chain

A network of organizations, people, activities, information, and resources involved in producing and delivering a product or service from suppliers to customers.

Physical Distribution System

The process and logistics involved in moving goods from the point of production to the point of consumption.

Direct Selling

A retail channel for the distribution of goods and services directly to consumers, typically in a non-retail setting.

Direct-Response Retailing

A retail strategy that promotes immediate customer action through direct communication, such as online advertisements or infomercials.