Search results
Results from the WOW.Com Content Network
The Mesozoic is the middle of the three eras since complex life evolved: the Paleozoic, the Mesozoic, and the Cenozoic. The era began in the wake of the Permian–Triassic extinction event , the largest mass extinction in Earth's history, and ended with the Cretaceous–Paleogene extinction event , another mass extinction whose victims included ...
The economic history of the world encompasses the development of human economic activity throughout time. It has been estimated that throughout prehistory, the world average GDP per capita was about $158 per annum (inflation adjusted for 2013), and did not rise much until the Industrial Revolution .
The middle class by one definition consists of an upper middle class, made up of professionals distinguished by exceptionally high educational attainment as well as high economic security; and a lower middle class, consisting of semi-professionals. While the groups overlap, differences between those at the center of both groups are considerable.
The middle class refers to a class of people in the middle of a social hierarchy, often defined by occupation, income, education, or social status. The term has historically been associated with modernity, [ 1 ] capitalism and political debate. [ 2 ]
“Members of the upper middle class often engage in the sharing economy in unique ways,” Beard explained. They might share resources with friends and neighbors like co-owning expensive tools or ...
The Middle Triassic spans the time between 246.7 Ma and 237 Ma (million years ago). It is preceded by the Early Triassic Epoch and followed by the Late Triassic Epoch. The Middle Triassic is divided into the Anisian and Ladinian ages or stages. [citation needed] Formerly the middle series in the Triassic was also known as Muschelkalk.
A prelude to the Age of Discovery was a series of European expeditions crossing Eurasia by land in the late Middle Ages. [43] The Mongols had threatened Europe, but Mongol states also unified much of Eurasia and, from 1206 on, the Pax Mongolica allowed safe trade routes and communication lines from the Middle East to China.
Middle-out economics favors governmental policies that help to ensure the buying power of the middle class. [5] Middle-out economics is held in opposition to Reaganomics, sometimes referred to as trickle-down economics. The term middle-out economics was coined by Eric Liu, a former speechwriter for Bill Clinton, and Nick Hanauer, a venture ...