But the medallion pool is rarely expanded, creating a scarcity that helps keep values high.
EVEN as the Enron scandal was unfolding last October, there was already a movie in the nation's theaters about an evil energy company that increased its profits by creating a false scarcity for its products.
Despite its scarcity, iridium is sometimes used in research and industry as a catalyst -- catalysts are agents that increase the efficiency and speed of a chemical reaction without becoming consumed.
Increasing water scarcity is here understood as the scarcity that is caused by increasing demand for water by a growing population and increasing per capita use, excluding stress caused by decreasing supply, which makes up part of the environment and climate change trend mentioned below.
In recent years, proponents of environmental justice have extended that principle into the sphere of the environment, driven by a recognition that increasing scarcity of and conflict over natural resources requires new approaches for securing a peaceful future [see "Global Resources: Abuse, Scarcity, and Insecurity," EHP 112 A168 A175 (2004)].
The result: a condition of artificial scarcity that costs consumers billions of dollars a year.
But that increased demand for ad slots creates scarcity, which in turn leads to rate hikes".
They liked the fact that there was a scarcity of the rosé it increased its allure, and at the same time burnished the house's image as the provider of rare and special products.
Other challenges include the security implications of climate change, water scarcity, and energy needs that increase as environmental resources decrease.
Babiker (2008) summarized that increasing scarcity of land in the presence of high rates of population growth, along with a historical legacy of discrimination and highly unequal land access, implies that many past and contemporary conflicts in Sudan have their roots in disputes over land.
