Expenditures for HIV-infection are driven mainly by drug costs. We identified several clinical variables influencing the costs of HIV-treatment. This information could assist policymakers when allocating limited health care resources to HIV care. </AbstractSection> Copyright Springer-Verlag 2013

Empirical demand analysis is usually conducted on the basis of either ‘regularity’ or ‘flexibility’. This paper takes a middle ground between ‘regularity’ and ‘flexibility’, offering a compromise in the form of a new specification termed ‘REDS’.