Domestic contestation of the European Union. Special Issue of Journal of European Public Policy, 2020 (Guest Editor with Toni Rodon)
Electoral Democracy in the European Union. Special Issue of Electoral Studies, 2011, 30(1) (Guest Editor with Mark Franklin)
Voters and Coalition Governments. Special Issue of Electoral Studies, 2010, 29(3) (Guest Editor with Jeffrey Karp)
“Representation and the European Union,” in Robert Rohrschneider and Jacques Thomassen eds., The Oxford Handbook of Political Representation in Liberal Democracies (Oxford University Press, 2020)
“The crisis of legitimacy of European institutions,” in Manuel Castells et. al. eds., Europe’s Crises (New Jersey: John Wiley and Sons, 2018), pp. 243-268.
“EU Issue Voting in National and European Parliamentary Elections,” in Wouter van der Brug and Claes H. de Vreese, eds., (Un)intended Consequences of EU Parliamentary Elections (Oxford University Press, 2016), pp. 101-124.
“Enduring Divisions and New Dimensions: Class Voting in Denmark,” in Geoff Evans and Nan Dirk de Graaf, eds., Political Choice Matters: Explaining the strength of class and religious cleavages in cross-national perspective (Oxford University Press, 2013).
“Public Opinion and Integration,” in Erik Jones, Anand Menon and Stephen Weatherill, eds., The Oxford Handbook of the European Union, (Oxford University Press, 2012), pp. 716-733.
“Campaign Financing in Danish Referendums,” in Karin Gilland Lutz and Simon Hug, eds., Financing Referendum Campaigns, (Palgrave Macmillan, 2009), pp. 62-80.
“Campaign Information and Voting Behaviour in EU referendums,” in Claes H. de Vreese, ed., The Dynamics of Referendum Campaigns, (Palgrave Macmillan, 2007), pp. 84-114.