efficacy

So absent a truly courageous governor, they can’t demonstrate the efficacy of their ideas.

"It may have efficacy in politics, but it confuses the hell out of markets."

But questions about the efficacy and usefulness of its consumer products have followed it almost from the start.

In San Francisco, Mayor Daniel Lurie has pledged to restructure the city’s homelessness services and take a critical look at the efficacy of city-funded nonprofits, including ones that offer supplies to drug users.

The primary target of Kennedy’s cuts is the Food and Drug Administration, which works to ensure the safety and efficacy of foods, drugs, medical devices, tobacco and other regulated products.