EBaycom Dominates the Online Auction Business Because Sellers Want to Go

question 230

Multiple Choice

eBay.com dominates the online auction business because sellers want to go where the buyers are and buyers want to go where the sellers are. Bigger is thus better. Hence, eBay.com illustrates the concept of:

• A) public goods.
• B) nonrival goods.
• C) economies of scope.
• D) a network externality.

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Definitions:

Psoas Minor

The psoas minor is a slender muscle that runs along the psoas major, involved in flexing the lumbar region of the vertebral column.

Vertebral Column

The stack of vertebrae extending from the skull to the lower back, surrounding and protecting the spinal cord.

Abdominal Muscles

A group of muscles in the abdomen that includes the rectus abdominis, transversus abdominis, and the internal and external obliques, providing support to the core.

Intercostals

Muscles located between the ribs that assist with the breathing process by facilitating the expansion and contraction of the chest cavity.