Indexes often incorporate various biases due to their methods of construction. The Constant Elasticity of Substitution (CES) index can potentially eliminate substitution bias without needing current period expenditure data. The CES index requires an elasticity parameter. We derive a system of...

This paper provides methodologies for evaluating consumer benefits of infrastructure services using potentially observable information. We define benefit measures for consumers and, using general principles from the index number literature, derive alternative first and second order...