crisis was that financial and credit

Thus one consequence of the crisis was that financial and credit
 institutions have been forced to finance their current exposure to
 portfolio for much longer periods than they anticipated in the event of
 extraordinary circumstances of aggravation of liquidity.  Under these conditions, essentially
 increased as credit and market risks, which significantly increased
 volatility and liquidity crisis deepened.

 However, despite this situation, most banks did
 relevant conclusions and implemented internal procedures to assess
 problems.  They continued to assess the higher tranches of bonds
 secured debt is almost at par, without taking into account the obvious
 deterioration of the profitability of the underlying assets and lower market liquidity, and
 focusing on the external ratings of rating agencies.  Services
 Treasury most banks were unprepared to manage
 risk, which was due to incomplete access to information flows
 in terms of all kinds of business and lack of understanding of the changing
 nature of liquidity risk in emergency situations.

 It should also be noted that in times of crisis in 2007-2008 has not met
 the use of traditional risk management tools, such as:
 indicators of value-at-risk (VaR) and stress testing.