Special incentives have kept sales above their trend for four years, he said, but the enthusiasm of consumers was bound to wane.
"This is what happens when an economy grows solidly below trend for six months," said Jared Bernstein, senior economist at the labor-oriented Economic Policy Institute in Washington.
The National Trust has also caught on to the trend for bygone desserts by introducing the lemon-flavoured Winifred pudding at its properties nationwide.
But for now, the decline in total listening to local commercial stations, which has now been the trend for eight Rajar quarters, continues - with a drop in the past year from 32.6%to31.7%7% of total listening.
The trend for bespoke, hand-made products and the move away from mass-produced design to personalised clothes, homewares and interiors has created a wealth of new opportunities for freelance designers and small studios.
The forecasting of trend, however, is correct, as the model successfully forecasts the trend for four times out of total six times.
Always preferring to plough its own furrow and a famous no-show at the Mobile World Congress, Apple has started a trend for bespoke launches.
Applying the dimensionless firepower axis to the emission data from this, and the preceding work, trends for both carbon monoxide and particulate matter form a single trend for three stove configurations.
* X-test for two categories and X-test for trend for three ordered categories.
