This map shows the geographic impact of Mats Bergman'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 Mats Bergman with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Mats Bergman more than expected).
This network shows the impact of papers produced by Mats Bergman. 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 Mats Bergman. The network helps show where Mats Bergman may publish in the future.
Co-authorship network of co-authors of Mats Bergman
This figure shows the co-authorship network connecting the top 25 collaborators of Mats Bergman.
A scholar is included among the top collaborators of Mats Bergman 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 Mats Bergman. Mats Bergman is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Bergman, Mats, Sofia Lundberg, & Giancarlo Spagnolo. (2012). Public Procurement and Non-contractible Quality : Evidence from Elderly Care. RePEc: Research Papers in Economics.6 indexed citations
8.
Bergman, Mats & Sofia Lundberg. (2011). Tender Evaluation and Award Methodologies in Public Procurement. RePEc: Research Papers in Economics.1 indexed citations
9.
Bergman, Mats, et al.. (2011). Offentlig upphandling : på rätt sätt och till rätt pris. University of Southern Denmark Research Portal (University of Southern Denmark).
10.
Bergman, Mats, et al.. (2010). Comparing Merger Policies in the European Union and the United States. SSRN Electronic Journal.2 indexed citations
11.
Bergman, Mats, et al.. (2008). Card and cash payments from a social perspective. Econometric Reviews. 42–59.5 indexed citations
12.
Nilsson, Jan-Eric, et al.. (2005). Den svåra beställarrollen : om konkurrensutsättning och upphandling i offentlig sektor.6 indexed citations
13.
Bergman, Mats. (2003). Payment system efficiency and pro-competitive regulation. Econometric Reviews. 25–52.4 indexed citations
Bergman, Mats. (2000). The Bronner Case-A Turning Point for the Essential Facilities Doctrine?. 21(2). 59–63.2 indexed citations
18.
Bergman, Mats & Mats Nilsson. (1999). Imports of pulpwood and price discrimination : A test of buying power in the swedish pulpwood market. Journal of Forest Economics. 5(3). 365–385.4 indexed citations
19.
Bergman, Mats, et al.. (1995). Measuring oligopsony power. Review of Industrial Organization. 10(3). 307–321.33 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.