We present a new dataset on decision-making in the European Union (DEUII) that revises and expands a previous dataset. Researchers are using this new dataset to address a range of research questions regarding the inputs, processes and outputs of the EU's legislative system. The dataset contains information on 331 controversial issues raised by 125 legislative proposals that were introduced between 1996 and 2008. For each of these controversial issues, the dataset identifies the policy alternative favoured most by each of the main political actors: the European Commission; the European Parliament; and each of the member states' representatives in the Council of Ministers. This information was assembled during 349 semi-structured interviews with key informants. This article describes the dataset and identifies its relevance to several research agendas in EU studies
The article analyses how enlargements affect the speed of European Union (EU) decision-making. In line with rationalist theories of group choice, we argue that enlargements increase the costs of organizing decisions, i.e. transaction costs. Increasing transaction costs, in turn, slow down EU law-making. We test this theory by estimating Cox regression models that incorporate time-varying covariates on all directives, regulations and decisions submitted by the European Commission between 1976 and 2006. In contrast to previous analyses, we show that an increase in group size indeed slows down EU law-making.
Anticipation is a central feature of political behaviour. It has an impact on actors' choices and can change the timing of decisions. This article analyses anticipation in legislative politics. After delineating different objects as well as consequences of anticipation theoretically, a set of hypotheses about anticipatory behaviour in EU decision‐making is derived. In particular, it is asked whether the EU Council anticipates the arrival of new Member States and how this affects legislative output. The theory is tested by estimating count models using a dataset that contains information on all binding EU legislation from 1976 to 2007. Covering five enlargement rounds, evidence is presented for anticipatory behaviour in EU legislative politics.
This article reviews emergent literature on the effects of Eastern enlargement on EU decision-making. After recalling pre-enlargement hypotheses we inspect empirical findings on that issue. Whereas some authors stress a 'business as usual' reading of post-enlargement decision-making, others point out changes. In order to better understand the processes of post-enlargement governance we draw on three sociological group theories -oligarchization, formalization and adaptationand assess their applicability to the case of the EU. While we present only preliminary evidence for each of these theories, our secondary literature analysis underlines that the complexity of enlargement demands a widening of the theoretical scope. In such a perspective enlargement research can contribute to more general debates about decision-making in the EU.
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