On the 22th of May 2008, « Le Monde » published a joint letter signed by three former presidents of the European Commission, ten former prime ministers and five former ministers of finance. Initiated by Michel Rocard, Poul Nyrup Rasmussen and Daniel Dăianu, the letter expresses the signatories' concern about the current financial crisis and its effect on world economy.

Daniel Daianu launched his book “Southeast Europe and the world we live in” on the 15th of April 2008.