In the former, decisions follow an orderly progression: problem identification, search for solution and selection (Glueck 1980, Springer and Hofer 1978, Stagner 1969). In the latter, decisions originate from organizational "garbage cans" in which
problems are generated from inside and outside the organization and the solutions are the outcome of an apparent random process between actors (Cohen et al. 1972, March and Olsen 1976, Padgett 1980, Starbuck 1983).