Can investors with irrational beliefs be neglected as long as they are rational on average ? Does unbiased disagreement lead to trades that cancel out with no consequences on prices, as implicitly assumed by the traditional models ? We show in this paper that there is an important impact of...

The paper sets out to analyse the effects of the financial crisis on the international standard-setter in 2008 and the attempts made to shoot the messenger - to blame IAS 39 for creating the crisis for reporting unrealised losses, rather than the cause being bankers making bad investment...