Volume 23, Number 4 —December 1999

Issues and Opinions

Six Myths of Information and Markets: Information Technology Networks, Electronic Commerce, and the Battle for Consumer Surplus
Varun Grover and Pradipkumar Ramanlal
(pp. 465-495)

Research Articles

Explanations From Intelligent Systems: Theoretical Foundations and Implications for Practice
Shirley Gregor and Izak Benbasat
(pp. 497-530)

The Impact of Goals on Software Project Management: An Experimental Investigation
Tarek K. Abdel-Hamid, Kishore Sengupta and Clint Swett
(pp. 531-555)

How Much Bandwidth is Enough? A Longitudinal Examination of Media Characteristics and Group Outcomes
Kelly Burke and Laku Chidambaram
(pp. 557-580)

Learning Dysfunctions in Information Systems Development: Overcoming the Social Defenses With Transitional Objects
David G. Wastell
(pp. 581-600)

Assessing the Health of an Information Systems Applications Portfolio: An Example From Process Manufacturing
Peter Weill and Michael Vitale
(pp. 601-624)