Party politics in the European Parliament (EP) consists of competition between transnational party groups, each consisting of multiple national member parties from the 27 member states of the European Union (EU). Identifying the policy space that these parties inhabit and their ideological...

Which combinations of values and perceptions constitute the arguments in the debate on European integration? Using survey data from Norway's 1994 EU referendum, this article explores Norwegian voters' support for these arguments. Thus, the article highlights the perceptions and arguments of the...

Theories of issue evolution and issue manipulation suggest that ‘political losers’ in the party system can advance their position by introducing a new issue dimension. According to these theories, a strategy of issue entrepreneurship, that is the attempt to restructure political...

Most studies of party competition consider the presentation of ambiguous positions a costly strategy. This literature, however, does not study party strategies in multiple issue dimensions. Yet multidimensionality may play an important role in parties’ strategic calculus. Although it may...

The paper models the consequences of committee report allocation for political representation in the European Parliament (EP). The range of legislators involved in each policy area affects the values, interests and constituencies that the Parliament represents. Thus, representation is defined as...

Over the past 50 years, the European Union (EU) has dramatically increased its policy-making power. However, there remains considerable variation over time as well as across policy areas in the relative power of the EU and the member states. The variation is likely to influence EU-wide...

Spatial characterizations of agents’ preferences lie at the heart of many theories of political competition. These give rise to explicitly dimensional interpretations. Parties define and differentiate themselves in terms of substantive policy issues, and the configuration of such issues...