Imagine the complex financial instruments based on these bonds that would appear overnight.

These were complex instruments and various other methods were also used.

Its resemblance to other complex financial instruments, though, can sometimes be unnerving.

A more complex instrument was actually needed, of course.

"It's a surprisingly complex instrument," he said in an interview.

Moreover, few of the companies' boards were familiar with complex financial instruments or risk management.

Where the Americans have succeeded is in using the most complex financial instruments.

Jim took the leather case from his father, opened it and lifted out the beautiful, complex instrument.

If Europe is to overcome these problems, it must have effective and complex instruments at its disposal.

As we all know, complex financial instruments and leverage bring their own risk.