HixS (1999) Dimensions and alignments in European Union politics: Cognitive constraints and partisan responses. European Journal of Political Research35(1): 69–106.
12.
HixSLordC (1997) Political Parties in the European Union. London: Macmillan.
13.
HixSNouryA (2009) After enlargement: Voting patterns in the Sixth European Parliament. Legislative Studies Quarterly34(2): 159–174.
14.
HixSNouryARolandG (2007) Democratic Politics in the European Parliament. Cambridge: Cambridge University Press.
15.
HoogheLMarksG (2001) Multi-level Governance and European Integration. Oxford: Rowman & Littlefield Pub Inc.
16.
HoogheL (2007) What drives Euroskepticism?European Union Politics8(1): 5–12.
17.
HoogheLBakkerRBrigevichADe VriesCEdwardsEMarksGRovnyJSteenbergenMVachudovaM (2010) Reliability and Validity of the 2002 and 2006 Chapel Hill Expert Surveys on Party Positioning. European Journal of Political Research49(5): 687–703.
18.
KlingemannH-DVolkensABaraJ (2006) Mapping Policy Preferences II: Estimates for Parties, Electors and Governments in Central and Eastern Europe, European Union and OECD 1990–2003. Oxford: Oxford University Press.
19.
KönigTLuigBProkschSO(2010) Measuring policy positions of veto players in parliamentary democracies. In: KönigTTsebelisGDebusM (eds). Reform Processes and Policy Change. Springer Studies in Public Choice. New York: Springer, 69–95.
20.
KreppelATsebelisG (1999) Coalition formation in the European Parliament. Comparative Political Studies32(8): 933–966.
21.
McElroyGBenoitK (2007) Party groups and policy positions in the European Parliament. Party Politics13(1): 5–28.
22.
PooleKLewisJLoJ (2011) Scaling roll call votes with WNOMINATE in R. Journal of Statistical Software42(14): 1–21.
23.
ProkschSOSlapinJ (2010) Position taking in European Parliament speeches. British Journal of Political Science40(3): 587–611.
24.
RayL (1999) Measuring party orientations towards European Integration: Results from an expert survey. European Journal of Political Research36(2): 283–306.
25.
RohrschneiderRWhitefieldS (2007) Representation in new democracies: Party stances on European integration in post-communist Eastern Europe. Journal of Politics69(4): 1133–1146.
26.
RovnyJ (2012) Who emphasizes and who blurs? Party strategies in multidimensional competition. European Union Politics13(2): 269–292.
27.
SchmittHWüstA (2007) The Euromanifestos Data, 1979-2004. Köln: Zentralarchiv für Empirische Sozialforschung.
28.
SlapinJProkschSO (2008) A scaling model for estimating time-series party positions from texts. American Journal of Political Science52(3): 705–722.
29.
SteenbergenMMarksG (2007) Evaluating expert surveys. European Journal of Political Research46(3): 347–366.
30.
StimsonJThiébautCTiberjV (2012) The evolution of policy attitudes in France. European Union Politics13(2): 293–316.
31.
TsebelisGGarrettG (2001) The institutional foundations of intergovernmentalism and supranationalism in the European Union. International Organization55(2): 357–390.
32.
TufteE (1969) Improving data analysis in political science. World Politics21(4): 641–654.
33.
WhitefieldSVachudovaMSteenbergenM (2007) Do expert surveys produce consistent estimates of party stances on European integration? Comparing expert surveys in the difficult case of Central and Eastern Europe. Electoral Studies26(1): 50–61.
34.
WüstAVolkensA (2003) Euromanifesto coding instructions. Mannheim: MZES Working Paper 64.