Cars and washing machines yes, financial services, no. Finanzplatz Frankfurt can't yet offer home-made products and services - lawyers, accountants, printers - to replace those coming out of London and the US. Time isn't on its side. Once the Deutschmark disappears it will have little edge over Paris, Amsterdam or London. In a country where bank staff aren't allowed to work on public holidays, one thing Frankfurt needs less of is regulation. Laura Covill reports.