In Econometrics, We Typically Do Not Rely on Exact or Finite

question 42

Multiple Choice

In econometrics, we typically do not rely on exact or finite sample distributions because

• A)we have approximately an infinite number of observations (think of re-sampling).
• B)variables typically are normally distributed.
• C)the covariances of Y_i, Y_j are typically not zero.
• D)asymptotic distributions can be counted on to provide good approximations to the exact sampling distribution (given the number of observations available in most cases).

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Definitions:

E-tailing

Electronic retailing or online shopping, which is the sale of goods and services through the internet.

E-procurement

Electronic procurement refers to the process of purchasing goods or services for a business using online platforms or technology.

Factoring

A financial transaction where a business sells its accounts receivable to a third party at a discount to immediately generate cash.

Authenticating

The process of verifying the identity of a user or device, often as a part of securing access to systems and information.