That Dublin is competing not with the rest of the country but with European cities like Paris, Amsterdam, Copenhagen or Berlin is a familiar trope among policymakers. Recently, the city has risen to the challenge. Last year it ranked third behind London and Paris in the Tech Cities of the Future rankings, compiled by the Financial Times’ FDI Intelligence, which lists the European cities with the most promising prospects for start-ups, technology and innovation investment.  Despite a drumbeat of stories about the failings of housing, public transport, traffic and planning, the city’s pull factor for investors, immigrants and visitors remains…