The phrase "a more lasting effect" is correct and usable in written English.
It can be used when discussing the long-term impact or consequences of an action, event, or decision.
Example: "The new policy is expected to have a more lasting effect on employee morale than previous initiatives."
Alternatives: "a more enduring impact" or "a more permanent influence."
Mr. Boediono's statements today suggested a more lasting effect.
But it had a more lasting effect on Taylor.
Nikolais's illusionary works about the natural world created a more lasting effect.
Where Comey's intervention might have had a more lasting effect is in the battle for the Senate.
Others say the recent closings will have a more lasting effect than a mere shift in the market.
Stern's barbs are likely to have a more lasting effect — particularly if the Knicks and Thomas lose their appeal.
A walkout by pilots at a regional carrier based here that is entering its 10th week could end up having a more-lasting effect than this year's possible strikes at several major airlines.
The development of new synthetic materials vinyl, Spandex, Kevlar, Velcro, and Cardin's own Cardine (1968)—had a more-lasting effect, giving designers the material means to make technology an integral part of the design process.
It would be interesting to know if a subsequent injection of SKF a day or two later would reveal a more-lasting effect on locomotion, suggestive of a stable change in synaptic strength.
Delivering 147 boxes of the real stuff seems to have produced a far more lasting effect in this town of about 10,000 residents.
But even as Mr. Gore proposes government intervention in movie-and-music marketing, he offers nothing but dead silence about AOL Time Warner and other entertainment industry regulatory issues -- all of which will have a far more lasting effect on the child culture he purports to hold so close to his heart as a potential Parent in Chief.
