Unto Häkkinen

6.5k total citations · 1 hit paper
168 papers, 4.1k citations indexed

About

Unto Häkkinen is a scholar working on General Health Professions, Economics and Econometrics and Education. According to data from OpenAlex, Unto Häkkinen has authored 168 papers receiving a total of 4.1k indexed citations (citations by other indexed papers that have themselves been cited), including 78 papers in General Health Professions, 66 papers in Economics and Econometrics and 23 papers in Education. Recurrent topics in Unto Häkkinen's work include Healthcare Policy and Management (59 papers), Global Health Care Issues (38 papers) and Health Systems, Economic Evaluations, Quality of Life (37 papers). Unto Häkkinen is often cited by papers focused on Healthcare Policy and Management (59 papers), Global Health Care Issues (38 papers) and Health Systems, Economic Evaluations, Quality of Life (37 papers). Unto Häkkinen collaborates with scholars based in Finland, Sweden and Norway. Unto Häkkinen's co-authors include Miika Linna, Mikko Peltola, Anja Noro, Reinhard Busse, Miika Linna, Gunnar Rosenqvist, Zeynep Or, Andrew Street, Jacqueline O’Reilly and Magnus Björkgren and has published in prestigious journals such as New England Journal of Medicine, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Unto Häkkinen

155 papers receiving 3.8k citations

Hit Papers

Diagnosis related groups in Europe: moving towards transp... 2013 2026 2017 2021 2013 100 200 300
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Diagnosis related groups in Europe: moving towards transparency, efficiency, and quality in hospitals?
    2013 371 citations Unto Häkkinen et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Unto Häkkinen Finland 32 1.8k 1.4k 499 462 453 168 4.1k
Gerald F. Kominski United States 32 1.2k 0.7× 885 0.7× 223 0.4× 346 0.7× 438 1.0× 138 3.1k
Dimitris Niakas Greece 36 1.8k 1.0× 1.1k 0.8× 344 0.7× 226 0.5× 419 0.9× 170 4.7k
Charles Normand United Kingdom 47 2.6k 1.5× 1.6k 1.2× 225 0.5× 502 1.1× 665 1.5× 264 8.0k
Ellen Meara United States 32 2.0k 1.1× 1.3k 1.0× 725 1.5× 462 1.0× 468 1.0× 107 4.1k
Gordon G. Liu China 30 1.2k 0.7× 1.2k 0.9× 351 0.7× 240 0.5× 246 0.5× 115 3.7k
Allison B. Rosen United States 35 1.4k 0.8× 1.9k 1.4× 348 0.7× 458 1.0× 519 1.1× 77 5.3k
Cameron Mustard Canada 43 2.9k 1.6× 842 0.6× 1.0k 2.0× 557 1.2× 621 1.4× 178 6.1k
Asaf Bitton United States 36 2.2k 1.2× 1.2k 0.9× 201 0.4× 541 1.2× 787 1.7× 128 5.9k
Min‐Woo Jo South Korea 33 1.0k 0.6× 937 0.7× 287 0.6× 281 0.6× 475 1.0× 168 3.6k
Peter Littlejohns United Kingdom 32 2.7k 1.5× 1.4k 1.0× 176 0.4× 433 0.9× 320 0.7× 105 5.3k

Countries citing papers authored by Unto Häkkinen

Since Specialization
Citations

This map shows the geographic impact of Unto Häkkinen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Unto Häkkinen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Unto Häkkinen more than expected).

Fields of papers citing papers by Unto Häkkinen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Unto Häkkinen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Unto Häkkinen. The network helps show where Unto Häkkinen may publish in the future.

Co-authorship network of co-authors of Unto Häkkinen

This figure shows the co-authorship network connecting the top 25 collaborators of Unto Häkkinen. A scholar is included among the top collaborators of Unto Häkkinen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Unto Häkkinen. Unto Häkkinen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Nguyen, Lien & Unto Häkkinen. (2025). Determinants and associated costs of unmet healthcare need and their association with resource allocation. Insights from Finland. Health Policy. 154. 105272–105272. 1 indexed citations
2.
Kittelsen, Sverre A.C., Kjartan Sarheim Anthun, Unto Häkkinen, Marie Kruse, & Clas Rehnberg. (2018). Scale and quality in Nordic hospitals. SHILAP Revista de lepidopterología. 6(2). 29–44. 6 indexed citations
3.
Keskimäki, Ilmo, Anna‐Mari Aalto, Unto Häkkinen, et al.. (2012). Sepelvaltimotauti ja eriarvoisuus : Kyselytutkimus sepelvaltimotautia sairastavien oireilusta, hoidosta ja elämäntavoista. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 1 indexed citations
4.
Pekurinen, Markku, et al.. (2012). Terveydenhuollon ja vanhustenhuollon alueellinen tarve ja menot 1993-2004. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari).
5.
Rautava, Liisi, et al.. (2012). 5-Year Morbidity Among Very Preterm Infants in Relation to Level of Hospital Care. JAMA Pediatrics. 167(1). 40–40. 10 indexed citations
6.
Meretoja, Atte, Markku Kaste, Risto O. Roine, et al.. (2011). Trends in treatment and outcome of stroke patients in Finland from 1999 to 2007. PERFECT Stroke, a nationwide register study. Annals of Medicine. 43(sup1). S22–S30. 42 indexed citations
7.
Meretoja, Atte, Risto O. Roine, Markku Kaste, et al.. (2010). Effectiveness of Primary and Comprehensive Stroke Centers. Stroke. 41(6). 1102–1107. 107 indexed citations
8.
Suvisaari, Jaana, et al.. (2010). Regional Differences in Five-Year Mortality After a First Episode of Schizophrenia in Finland. Psychiatric Services. 61(3). 272–279. 23 indexed citations
9.
Mäkelä, Keijo, Unto Häkkinen, Mikko Peltola, et al.. (2010). The effect of hospital volume on length of stay, re-admissions, and complications of total hip arthroplasty. Acta Orthopaedica. 82(1). 20–26. 27 indexed citations
10.
Rautava, Liisi, Unto Häkkinen, Sture Andersson, et al.. (2009). Health-related quality of life in five-year-old very-low-birth-weight infants. WOS. 1 indexed citations
11.
Rautava, Liisi, Unto Häkkinen, Sture Andersson, et al.. (2009). Health-Related Quality of Life in 5-Year-Old Very Low Birth Weight Infants. The Journal of Pediatrics. 155(3). 338–343.e3. 29 indexed citations
12.
13.
Juntunen, Merja, Reijo Sund, Mikko Peltola, & Unto Häkkinen. (2008). Potilasrakenteen erojen huomioon ottaminen erikoissairaanhoidon vaikuttavuuden rekisteritutkimuksessa. Sosiaalilääketieteellinen Aikakauslehti. 45(4). 1 indexed citations
14.
Nguyen, Lien & Unto Häkkinen. (2006). Choices and utilization in dental care. The European Journal of Health Economics. 7(2). 99–106. 22 indexed citations
15.
Laine, Juha, Harriet Finne‐Soveri, Magnus Björkgren, et al.. (2005). The association between quality of care and technical efficiency in long-term care. International Journal for Quality in Health Care. 17(3). 259–267. 48 indexed citations
16.
Keskimäki, Ilmo & Unto Häkkinen. (2001). Economic recession in Finland in the early 1990s and changes in the use of health services. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 2 indexed citations
17.
Häkkinen, Unto & Eeva Ollila. (2000). The World Health Report 2000. What does it tell us about health systems? : Analyses by Finnish experts. 6 indexed citations
18.
Doorslaer, Eddy van, Adam Wagstaff, Samuel Calonge, et al.. (1997). Income-related inequalities in health: some international comparisons. Journal of Health Economics. 16(1). 93–112. 499 indexed citations
19.
Häkkinen, Unto, Gunnar Rosenqvist, & Seppo Aro. (1996). Economic depression and the use of physician services in Finland. Health Economics. 5(5). 421–434. 22 indexed citations
20.
Häkkinen, Unto. (1987). Terveydenhuollon talous sekä julkisen ja yksityisen sektorin suhde Suomessa ja muissa OECD-maissa. Sosiaalilääketieteellinen Aikakauslehti. 24(2). 93–104. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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