And because of that increase in investment, its demand for things like iron and copper shot up and that created additional investment in countries like Peru, Australia and Brazil.

BBC: The year in business: 2012

In recent years, the geoscience sector in Africa has benefited from important international investment to meet a significant global increase in demand for mineral and energy resources.

UNESCO: EARTH SCIENCES FOR SOCIETY

But rising prices will also curb demand and encourage new exploration and investment by oil producers to increase supply.

ECONOMIST: A hungry dragon

Firms may be less likely to increase investment when they have idle capacity and when they are less confident about the future demand for their products and services.

FORBES: The Magic Elixir for Job Growth

As the actor's fame (and box-office earnings) increase he'll be able to demand more for each film which will hurt his return on investment number unless the films are gigantic blockbusters.

FORBES: Magazine Article