Iversen's foremost academic interest is the impact of market conditions and economic instruments in the health sector. He has published papers on waiting times and other non price rationing mechanisms in health care, economic incentives for primary care physicians and other health economic issues.
Projects under work include the interaction between primary health care and specialist health services, economic incentives in long term care, evaluation of free choice of hospital, evaluation of trial with primary health vare teams, evaluation of digital surveillance of patients with chronic diaseases and comparisons of treatment outcomes and costs across countries.
Iversen is an economist with specialization in health economics. He holds cand. oecon. (1978) and Ph.D.(1993) in economics, both from the University of Oslo.
Iversen was appointed Associate Professor at the former Center for Health Administration at the University of Oslo in 1993 and from 2001 Professor of Health Economics same place. He initiated and developed health economics as a teaching theme at the University of Oslo. He was one of the initiators of the Health Economics Research Programme at the University of Oslo (HERO) and from 2006 research director for HERO.
Iversen has had research stays at the University of York, England, niversity of California, Berkeley (School of Public Health) two periods (1999-2000, 2005-2006) and University of Melbourne (2019).
- Associate Editor of Health Economics
- Member of the editorial board of the International Journal of Health Care Finance and Economics
- Co-editor of Nordic Journal of Health Economics
- Member of the International Health Economics Association (iHEA) Arrow Award Committee 2007-2011
- Research director for HERO
Internationally, he has research cooperation with Karolinska Institutet, University of Southern Denmark, University of Duisburg-Essen, University of Hamburg, National Institute of Health and Welfare (Finland), Boston University, UC Berkeley, Harvard University and University of Melbourne.