1.Gorton argues that regulating capital ratios cannot prevent a systemic run on banks. true or false ? why ?

2.Over time banks have become more efficient at using bank capital and thus use less of it relative to the assets they fund. The capital ratios in 2009 of US banks were lower than they were in the 1980s and 1990s. true or false ? why

3.We learn from Gortons book that Ben Bernanke had no idea that the collapse of Lehman Brothers would disrupt the financial markets. true or false ? why ?