The Portuguese Health Economics Association will hold the 12th National Health Economics Conference in Lisbon from 13 to 15 October, 2011. The aim of this conference is to prove a forum for rigorous debate to make known the work of Portuguese and foreign researchers of the most important current themes in health economics. The abstracts should be organized with the usual sections:Objectives, Methods, Results and Conclusions. Maximum number of characters is 4.000.   Abstract Submission - http://12cnes.abstractcentral.com   Inclusion in the final program is conditional on registration until September 1st, 2011.   The 12th Portuguese Health Economics Conference  is open to all themes in the field of health economics, including:    ·          Life-style and risk factors in health ·          Social inequality and the determinants of health ·          Equity in financing and delivery of health care ·          Financing and sustainability of health systems ·          Payment systems ·          Markets and regulation ·          Economics of the hospital sector ·          Demand for health care and user charges ·          Health insurance and the public-private mix ·          Cost of illness and budgetary impact ·          Economic evaluation of health technologies ·          Outcomes measurement and quality of life ·          Pharmacoeconomics ·          Regulation of pharmaceutical markets ·          Applied health econometrics