Mapping European law

R. Daniel Kelemen, Tommaso Pavone

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


This article constitutes the first systematic effort to promote a spatial and a subnational turn in the study of EU legal integration by demonstrating how geospatial methods and the selection of a subnational unit of analysis can improve our understanding of the use of the preliminary reference procedure. We conduct a theory-testing case study leveraging an original dataset of all references submitted by Italian courts from 1964 through 2013 and utilize geographic information systems (GIS) technology to analyze subnational patterns in reference activity. We use these data to evaluate whether several existing hypotheses explain recent subnational variation in reference rates. We uncover several illuminating findings. First, although population levels and domestic litigiousness best explain variation in reference rates, there is evidence that the domestic litigation effect is subnationally heterogeneous. Second, although use of the reference procedure has diffused since the 1960s, subnational reference rates are spatially clustered by issue area.

Original languageEnglish (US)
Pages (from-to)1118-1138
Number of pages21
JournalJournal of European Public Policy
Issue number8
StatePublished - Sep 13 2016
Externally publishedYes


  • Diffusion
  • European integration
  • European law
  • GIS
  • litigation
  • preliminary reference procedure

ASJC Scopus subject areas

  • Sociology and Political Science
  • Public Administration


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