It turned out that with extremely big waves the simple model did not work so well.
Times, Sunday Times
In the 1960s we had a simple model of plasma.
Times,Sunday Times
Just take a simple model of central bank behaviour - tying short term interest rates to the economy's performance vis-a-vis its potential.
Times, Sunday Times
The simple model assumed by freemarket critics, of higher business costs leading to a reduction in headcount, hasn't been borne out by the facts.
Times,Sunday Times