"significant spillover effect" is a correct and usable phrase in written English.
You can use it when discussing the unintended consequences or impact that one action has on another. Example: The increase in tariffs on imported goods had a significant spillover effect on the domestic economy, leading to higher prices and reduced consumer spending.
In addition, the exceedingly tight — and pricey — market in Manhattan may be producing a significant "spillover effect" along the western banks of the Hudson, they said.
Using panel data for 1318 high-tech firms in Beijing Zhongguancun Science Park (ZSP) we find that returnee entrepreneurs create a significant spillover effect that promotes innovation in other local high-tech firms.
To Bogle's point, sales of US goods and services to foreign countries have a significant spillover effect in the US equity markets.
In the few instances we do find a statistically significant spillover effect, our estimates suggest the reforms had the effect of increasing LPE.
The move, as expected, has had a significant spillover effect into 2016.
Information about the study might have disseminated from GPs in the intervention group to GPs in the control group, but we have no reason to believe that this has caused any significant spillover effect.
However, combining the two can produce significant spillover effects and improve efficiency.
"The deterioration in economic and financial conditions in the United States can be expected to have significant spillover effects on the global economy".
With respect to the negotiated discounts, there is a potential risk that the aim of a mere cost reduction becomes dominant with significant spillover effects worldwide.
Findings here suggest that the managed care spillover seemed to have restraining influences on colonoscopy utilization at first, but this gradually diminished as the procedure gained medical acceptance over the period, and by the later period, exhibited no significant spillover effects.
The iBLEND project also has significant spillover effects for our university by developing new interdisciplinary collaborations that benefit our students.
