Large potential benefits of infrastructure may elude identification and measurement by conventional cost-benefit analysis. Canning and Bennathan estimate social rates of return on general capital, by examining the effect on aggregate output and comparing that effect with the costs of construction

The evaluation of IT and its business value are recently the subject of many academic and business discussions, as business managers, management consultants and researchers regularly question whether and how the contribution of IT to business performance can be evaluated effectively. Investments...