'win-win benefits' is correct and can be used in written English.
It is usually used to refer to a situation where both parties benefit from the outcome of a situation. For example, "We worked out a compromise that offered win-win benefits for both of us."
Brad DeLong has a nice post on the issues involved as they look from 35,000 feet:The win-win benefits of trading money for money--where are they?
Such organizational actions demonstrate the commitment of the firm to co-op with their customers to create win-win benefits for all involved parties.
Management of protected areas as well as management of extensive livestock production can find specific solutions for enhancing compatibility and win-win benefits for both livestock and wildlife.
This technology is likely years from commercial scale, but the promise of it's win-win benefits is enough to drive investment to make it happen as quickly as possible.
"We want to see California climate policy have win-win benefits, good for public health, good for local air quality," said Amy Vanderwarker, co-director of the California Environmental Justice Alliance, a coalition of local groups.
It is becoming apparent that many national legislators increasingly recognize the win-win benefits that climate change measures deliver in terms of energy efficiency and security, as well as the reduction of atmospheric pollution in their own countries.
While pursuing these goals, finalists will be tasked with creating value propositions that are 'win, win, win,' benefiting all stakeholders involved.
Chinese and Angolan officials trumpeted this partnership as a model for Chinese investment in the continent, a win-win relationship benefiting both countries.
Third, Korobkin and Guthrie suggest that when trying to reach a negotiated agreement, you should frame the negotiation in terms of potential gains for the other party, or even a win-win situation benefiting both parties.
Lesson: Giving new partners a reason to feel grateful to you is a win-win: They benefit in the short term from your generosity and you reap the rewards of their loyalty.
The win-win solution that benefits Main Street is beyond the left edge of the possible.
