Solidarity has always been an important element of European integration law and with the Treaty of Lisbon this principle has received even more prominence. But what does this concept mean and how should it be implemented? Within several areas of European integration law, for example regional...

This contribution is a commentary on Article 111 European Community Treaty (TEC). This provision concerns several aspects of the European Community's external monetary policy, namely the exchange rate systems and policies in relation to non-Community currencies, the agreements concerning...

This paper is an examination of the legal basis of Economic and Monetary Union. The law stated therein was up to date on 12 February 1997. Since almost all of the EC Treaty provisions have been left entirely unamended since that date, the paper retains much of its relevance, although readers...

The use of propensity score methods for program evaluation with non-experimental data typically requires the propensity score be estimated, often with a model whose specification is unknown. While theoretical results suggest that estimators utilizing more flexible propensity score specifications...