As I mentioned a little while back, a sizeable number of individuals/small business owners may not have a prior credit history. So, how the completeness of data can be ensured in such cases?
BIS central bankers’ speeches  3  What is striking is that the Landesbanken more strongly affected by the crisis are characterised by a smaller exposure in lending to non-banks. Loans were often granted to enterprises that were not operating in the Landesbank’s own “catchment area”, not least because they did not wish to compete against the region’s savings banks.