-border credit supply especially to weaker firms. However, greater foreign bank presence in the borrower country appears to reduce … strength of bank regulation and supervision, exchange rate flexibility, and restrictions on capital flows. The findings qualify … the characterization of international banks as sources of credit instability, and suggest that foreign bank entry can …

one bank could easily turn to a panic involving runs on all banks, destroying some and disrupting the financial system …

"This paper examines the implications of bank activity and short-term funding strategies for bank risk and returns … banks, however, attract most of their short-term funding in the form of non-deposits at a cost of enhanced bank fragility … risky, which is consistent with the demise of the U.S. investment banking sector. "--World Bank web site …