Depending on Different Coalition Scenarios Voting Power Distribution in the European Union After Turkey’s Membership

It is taken into consideration of the influence on voting power distribution of candidate countries’ european union membership enlargement is one of the most important issue the for european union. in this study, the impact of turkey’s membership on voting power distribution is evaluated for coalition formation determined with hierarchical clustering methods, according to the acts adopted by the council of the european union and voting system brought by the treaty of lisbon. in the analysis, the effect of turkey’s membership on voting power distribution is evaluated for four coalition formation determined with hierarchical clustering methods and banzhaf power index, one of the most frequently used voting power measurement, is used for voting power analysis. based on the results of the analysis, voting power distribution is affected by turkey’s european union membership for four coalition formation. when the council does not act on a proposal from the commission or the high representative of the union for foreign affairs and security policy, voting power distribution is not affected by turkey’s membership for four coalition formation.