But income inequality has two different components: permanent differences and temporary fluctuations.
There are really two different components of income inequality: permanent differences and temporary fluctuations.
Whatever the temporary fluctuations in publishers' profits, the long-term outlook is discouraging.
But temporary fluctuations may have little lasting effect on economic activity.
Start with the G.D.P. figures, which can be misleading because of temporary fluctuations in the inventories maintained by businesses.
And suggesting that other D words — dip, downturn, even depression — didn't sufficiently reflect reality, perhaps because they connote temporary fluctuations instead of an inexorable arc.
The price spike of 2007-08 was the result of structural imbalances in the world food chain, not just temporary fluctuations like bad weather or government mistakes.
Many stars experience temporary fluctuations in brightness, increasing and decreasing in luminosity over time, but KIC8462852's changes are severe by comparison.
Surgery and endoscopy services, complete with equipment and staff if required, are carried out in the facilities, allowing hospitals across the UK to address temporary fluctuations in demand or capacity.
And Milton Friedman appeared to explain this paradox by arguing that people are more less rational: they base consumption on "permanent income", a reasonable estimate of long-run income, and save temporary fluctuations in income.
