Policy-makers in the eurozone need to concentrate on re-establishing the "principle of liability" if they are to fix the currency union's ills, Deutsche Bundesbank president Jens Weidmann said today (January 22).

Weidmann said a key part of the eurozone's troubles in recent years was brought about because the principle – laid down by economist Hans Werner Sinn – that creditor liability is the "core tenet underpinning the market economy", had been violated when banks and countries had to be