German companies are finding it increasingly difficult to obtain funding, according the Munich-based think-tank, the IFO Institute. The group’s Credit Constraint Indicator, which measures firms’ access to bank loans, was reported to be at its highest level in seven years on Monday. More specifically, 32.9% of around 2,000 surveyed businesses reported restrictive behaviour on the part of banks in September. That’s up from 27.1% in June. Looking at results across sectors, the index rose sharply among service providers (from 27.0% to 35.7%) and among industry (from 26.2% to 34.3%). Professor Klau…