(born Aug. 5, 1874, Rushville, Ill., U.S.—died Oct. 29, 1948, New York, N.Y.) U.S. economist. Educated at the University of Chicago under Thorstein Veblen and John Dewey, he later taught at several universities, including Columbia (1913–19, 1922–44). He helped found the National Bureau of Economic Research in 1920 and was its director of research until 1945. His work greatly influenced the development of quantitative studies of economic behaviour in the U.S. and abroad, and he was the foremost expert of his day on business cycles.
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A lair is a underground or other enclosed place that animals use to hide themselves, while at sleep, hibernation or when they take part in reproduction. Some lair-using animals build their lairs, others use hollows which occur naturally, like caves.
In Scots, lair is also used for a burial-plot in a graveyard.
In mythology, heroes have often hunted dragons and similar mythic beasts to their lairs. Consequently, fantasy role-playing games often feature monster lairs as a common place for participants to find a treasure trove.
A hideout for a criminal or super villain is also referred to as a lair.