Cost sharing represents a well-established tool for the control of health care demand in many Oecd countries. However, it is used with caution and in combination with other instruments in order to avoid potential negative impacts on access to essential health care services. Waiting lists and...

In this paper we show how both the choice of specific constraints on input and output weights (in accordance with health care policy-makers' preferences) and the consideration of exogenous variables outside the control of hospital management (and linked to past policy-makers' decisions) can...