Colocation was employed, for example, to allow the
postdivestiture long-distance AT&T to share access to certain key assets with the Bell Operating Companies that were being split off.
(249) It is plausible to infer that the Big Three tobacco companies,
postdivestiture oil producers, or major film companies might have an understanding based upon their previous work together.
viewpoints
postdivestiture may of course independently shed light on the
One issue at play was the question of whether
postdivestiture local telephone carriers should be allowed to continue producing Yellow Page directories.
This raises the question, is it still meaningful to compare pre- and
postdivestiture AT&T?
Postdivestiture, AT&T chose not to publish its WATS and leased line series, so the weighting method could no longer be used to derive a total minutes of use estimate after 1984.
Taylor,
Postdivestiture Long-distance Competition in the United States, 83 AM.
Both Ward [1995] and Kahai, Kaserman, and Mayo [1996], based on an estimate of the price elasticity of AT&T's demand curve, strongly support the conclusion that the
postdivestiture long-distance markets are largely competitive.
Taylor, "
Postdivestiture Long-Distance Competition in the United States," American Economic Review, 82(2), May 1993, 185-190.
More importantly, the long-term trend in relative input prices does not appear to continue in the
postdivestiture era.
To understand the European telecom manager's past problems, imagine the United States without the Bell system and without
postdivestiture AT&T, MCI or Sprint.
The emphasis in the
postdivestiture era will be on hi-tech innovation, not on such functions as service, customer relations and economy.