U Häkkinen

A comparative application of econometric frontier and DEA methods for assessing cost efficiency of Finnish hospitals.

M. Linna, U. Häkkinen, M Linna, 1998, Developments in health economics and public policy.

Equity in the delivery of health care in Europe and the US.

L Gross, C. Propper, A. Wagstaff, 2000, Journal of health economics.

An econometric study of costs of teaching and research in Finnish hospitals.

M. Linna, U. Häkkinen, M Linna, 1998, Health economics.

Comparing ischaemic stroke in six European countries. The EuroHOPE register study

P Engelfriet, P. Engelfriet, A. Meretoja, 2015, European journal of neurology.