The phrase "a harsh effect" is correct and usable in written English.
It can be used to describe a strong or severe impact that something has on a situation, person, or environment.
Example: "The new policy had a harsh effect on the employees, leading to increased stress and dissatisfaction."
Alternatives: "a severe impact" or "a strong consequence."
Mr. Outten said that going public with her complaint had had a harsh effect on Ms. Schieffelin's relationship with the firm and her co-workers.
"It's had a harsh effect on me and my family.
Unlike the passive HFTs, aggressive HFT mostly rely on market orders and, as a result, have a harsh effect on the markets, increasing volatility and wiping out liquidity.
The Syrian conflict has already had a harsh effect on its immediate neighbors, particularly vulnerable Lebanon and Jordan, which are swamped by desperate refugees and menaced by hardened extremists back from the battleground.
Use rubbing alcohol sparingly, as pure alcohol can have a harsh effect on linen.
Technology shares led the afternoon surge as investors overcame their initial discouragement, caused when new data showed that the Sept. 11 attacks had a harsher effect on the economy than Wall Street had expected.
And with GM and suppliers offering the best wages in town, their loss has had a particularly harsh effect on what economists call induced employment.
That continues a troubling trend that's been building for years, one that has had a particularly harsh effect on black workers.
"I don't think it's any secret that Jeremy and other London MPs in particular are against the cap because they've seen it having a particularly harsh effect in London, where housing costs are very high," said Green.
Ching's aesthetic, though precise and meticulously executed, has a comparatively tactile and harsh effect, as if she put pen to paper in a state of agitation.
Unless, of course, the current budget proposal for PSLF passes, and the forgiveness will be capped at $57,500, which will have extraordinarily harsh effect on an already near-burst student-debt bubble and a struggling higher-education rate in the U.S. Okay, I know what you're thinking right now: $57,500 is a lot of money.
