Although the First Hominins Appeared Late in the Miocene,most Hominin

question 1

Multiple Choice

Although the first hominins appeared late in the Miocene,most hominin fossils have been dated to

• A) 20 to 15 m.y.a.
• B) the Holocene.
• C) the Pliocene and Pleistocene epochs.
• D) the early Miocene.
• E) 400,000 to 300,000 years ago.

---

Definitions:

Collusion

The practice of firms to negotiate price and/or market share decisions that limit competition in a market.

Concentration Ratios

Concentration ratios are measures that indicate the extent of market control by the largest firms within an industry, reflecting the degree of market competition.

High Concentration

A situation in a market where a small number of firms hold a large market share, often leading to reduced competition.

Herfindahl-Hirschman Index

A measure used to evaluate the level of competition within an industry, calculated by squaring the market share of each firm within the industry and then summing the resulting numbers.