Time and motion study

time and motion study
systematic study of the time and human motions used to perform an operation. The purpose is to eliminate unnecessary motions and to identify the best sequence of motions for maximum efficiency.

Ghemawat - experience curve (1980s)
James Gilbert - profit pools (1990s)
Frank Gilbreth - time and motion study ((1900s)
Eliyahu M. Goldratt - theory of constraints, critical chain project management (1980s) ...

See also: Business ethics, Constraint, Political economy, Cost accounting, Information technology