This week's emergency credit market intervention by the US Federal Reserve was supposed to ease the liquidity crisis for struggling financial groups such as Carlyle Capital Corporation.

But David Rubenstein, co-founder of the Carlyle Group, said it only accelerated the demise of his group's mortgage-backed securities fund, which is being liquidated by its banks for defaulting on more than $16bn of debts only eight months after listing on Euronext Amsterdam.