"restore prosperity" is a correct and usable phrase in written English.
It means to bring back or improve the state of financial or economic well-being. Example: The government's economic plan aims to restore prosperity in the country after years of recession.
Technology, trade and even religion may help restore prosperity to the middle class.
She also shows that to restore prosperity today, America needs a new model: more factories and fewer financial houses.
Lebanese admiration for Hizbullah's military exploits is tempered by a desire to restore prosperity now that Israel has withdrawn.
Mitt Romney has been barnstorming the country, telling voters that he has a five-point plan to restore prosperity.
The overarching challenge of the coming years is to restore prosperity and power for the 99 percent.
They mostly overestimated the power of routine monetary policy (ie, central-bank purchases of government bills) to restore prosperity.
Successive disturbances had reduced the population, but the Anglo-French truce of 1444 allowed Charles to begin restoring prosperity.
The challenge of the United States and its allies today is restoring prosperity, security and order in Iraq and Afghanistan.
In advance of Tuesday night's Republican presidential debate on the economy, Michele Bachmann laid out an 11-point blueprint for creating jobs and restoring prosperity.
After Marseille was sacked by Alfonso V of Aragon in 1423, René I of Provence, whose winter residence was there, restored prosperity to the city.
We would ask him to explain American efficiency and the subway shuttle; and the men restoring prosperity by selling property at a loss.
