The phrase "a powerful stimulus to" is correct and usable in written English.
It can be used to describe something that strongly encourages or motivates a particular action or response.
Example: "The new policy served as a powerful stimulus to increase productivity among employees."
Alternatives: "a strong incentive for" or "a significant motivator to".
Chernobyl had a profoundly negative effect on the population's thinking about nuclear power and provided a powerful stimulus to the growth of a Green (environmental) movement.
But whatever the form, the act of writing can be a powerful stimulus to healing.
The social crisis that flowed from the depression acted as a powerful stimulus to authoritarianism.
Reducing mortality and fertility rates is a powerful stimulus to economic development.
His much-translated book The Process of Education (1960) was a powerful stimulus to the curriculum-reform movement of the period.
And since most of its emerging economies import more than they export, they have provided a powerful stimulus to growth in rich economies.
Eric Rauchway finds an astonishingly timely quote about the Obama administration — said by Harry Dexter White in 1935: (a) Let the Government spend the minimum necessary to keep men alive and to prevent social disturbance; or (b) Let the Government spend on such a large scale as to provide a positive powerful stimulus to recovery.
Light provides a uniquely powerful stimulus to help visualize and/or perturb biological systems.
Some economists said the strong dollar and the weak global economy would have a limited effect on the prospects for a recovery in the United States, where the combination of the tax cut and the Fed's interest rate reductions is expected to provide a powerful stimulus in coming months.
Both the published literature and the result of this study lead to the conclusion that normal day-to-day activity does not constitute a powerful stimulus for adaptive processes in bones.
Mechanical deformation of the airways from repeated bronchoconstriction is a powerful stimulus for growth factor release from epithelial and mesenchymal cells to drive remodelling [ 105, 106].
