The phrase "persistent inflation" is correct and usable in written English.
You can use it when you want to refer to an extended period of time during which there is an increase in prices. For example: "The persistent inflation of the last few years has taken a toll on the economy."
Like Egypt, it had persistent inflation (indeed, its record was worse).
Bad harvests, persistent inflation, and unemployment caused hardship and a loss of public morale.
Still, the region as a whole faces considerable challenges, including persistent inflation.
Persistent inflation has been another factor inhibiting the growth of money markets in developing countries, notably in Latin America.
As a result, rates are now having to rise more than they otherwise might to curb persistent inflation.
Controls of prices and foreign exchange could not prevent persistent inflation and engendered shortages of staple goods.
She told the Sunday Telegraph: "If you look at the history, we have seen persistent grade inflation for these key qualifications for at least a decade.
"If you look at the history, we have seen persistent grade inflation for these key qualifications for at least a decade," she said.
Minimum wages last rose in 2010, when they were increased by 80percentt, after a four-year period with no change, despite persistent high inflation.
The head of the exams watchdog has signalled wide-ranging reforms to A-levels to tackle claims that examiners have been giving students "the benefit of the doubt", leading to persistent grade inflation.
Elliott Platt, an economist at Donaldson Lufkin & Jenrette Securities Corporation, recommends that "investors with a long-run horizon" continue to invest in bonds, because persistent low inflation rates will eventually cause bond yields to fall from current levels.
