"have a stronger effect" is correct and usable in written English.
You can use it to indicate that something will have a more powerful impact or influence. For example, "By eating healthy and exercising regularly, you will have a stronger effect on your overall physical health."
In a survey, law professors predicted that the precedent would have a stronger effect than the defendant characteristics.
We would expect the tax reform to have a stronger effect on firms receiving larger cash windfalls.
Tree-level parameters were shown to have a stronger effect on the occurrence probability than landscape-level predictors.
She suggested that they could show their displeasure by staying silent, which would have a stronger effect.
Furthermore, technological diversification is found to have a stronger effect on exploratory than on exploitative innovative capability.
Economic opportunities in the United States and Mexico, the study found, have a stronger effect on migration than does the number of agents at the border.
An efficient early warning system, social contagions trigger fear and furor, and they can have a stronger effect when someone is in leadership.
And inequality seems to have a stronger effect on growth than several other factors, including foreign investment, trade openness, exchange rate competitiveness and the strength of political institutions.
We hypothesize that acute exercise may have a stronger effect on serotonin (5-HT) release in depressed patients, which is reflected in increased plasma prolactin concentration.
Both the grid voltage and the corona current have a stronger effect of the SPD in the case of the samples of smaller areas.
"We think that signs focused on vulnerable patients seem to have a stronger effect, and we would encourage hospitals to adopt that kind of approach".
