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value, in economics

(Encyclopedia)value, in economics, worth of a commodity in terms of other commodities, or in terms of money (see price). Value depends on both desirability and scarcity. The marginal theory of value, pioneered in t...

David and Lucile Packard Foundation

(Encyclopedia)David and Lucile Packard Foundation, private philanthropic institution that funds nonprofit organizations. It was founded in 1964 by David Packard (1912–96), co-founder of Hewlett-Packard Co., and h...

Bohr, Niels Henrik David

(Encyclopedia)Bohr, Niels Henrik David bōr [key], 1885–1962, Danish physicist, one of the foremost scientists of modern physics. He studied at the Univ. of Copenhagen (Ph.D. 1911) and carried on research on the...

Malthus, Thomas Robert

(Encyclopedia)Malthus, Thomas Robert mălˈthəs [key], 1766–1834, English economist, sociologist, and pioneer in modern population study. A graduate of Cambridge, he was a professor at the East India College, Lo...

Hare, Sir David

(Encyclopedia)Hare, Sir David, 1947–, British playwright. Hare is a prominent member of the British theatrical left. A founder of the Portable Theatre and the Joint Stock, he became resident dramatist at the Roya...

Cameron, David William Duncan

(Encyclopedia)Cameron, David William Duncan kămˈərən [key], 1966–, British political leader, b. London. Educated at Eton and Oxford, he worked for the Conservative party's research department beginning in 198...

Field, David Dudley

(Encyclopedia)Field, David Dudley, 1805–94, American lawyer and law reformer, b. Haddam, Conn.; brother of Cyrus W. Field and Stephen J. Field. He was graduated from Williams (1825), studied law in Albany and New...

Endara Galimany, Guillermo David

(Encyclopedia)Endara Galimany, Guillermo David, 1936–2009, Panamanian political leader. A lawyer and supporter of Arnulfo Arias, he served in the national assembly and was (1968) minister of planning and economic...

Casement, Sir Roger David

(Encyclopedia)Casement, Sir Roger David, 1864–1916, Irish revolutionary. While in British consular service, he exposed (1904) the atrocious exploitation of wild-rubber gatherers in the Congo (thus helping to brin...