It is not speculation. They actually did fix prices in this casual manner. The UK FSA Final Notice documents many transcripts just like this as evidence of the

It is not speculation. They actually did fix prices in this casual manner. The UK FSA Final Notice documents many transcripts just like this as evidence of the unethical, unprofessional, dysfunctional culture [1]. [1] http://www.fsa.gov.uk/static/pubs/final/rbs.pdf http://www.fsa.gov.uk/static/pubs/final/rbs.pdf