Worldwide governments perform considerable financial efforts to support financial sector and the re-launch of lending. The mechanisms vary from the guarantee and purchase of troubled assets till injecting liquidity, by buying securities issued in order to increase financial institutions' equity....

In this paper we proposed an analysis of the financial crisis impact on the procedures for management of loan portfolios in several banking systems. Despite ample liquidity injection programs implemented by major central banks and government actions, credit risk remains a key challenge of the...