The phrase "a cooperative effort between" is correct and usable in written English.
It can be used to describe a collaborative endeavor involving two or more parties working together towards a common goal.
Example: "The project was a cooperative effort between the local government and community organizations to improve public transportation."
Alternatives: "a joint effort between" or "a collaborative initiative between".
The task force is a cooperative effort between the F.B.I. and the New York Police Department.
It's a cooperative effort between corporate siblings, as the premium cable channel Showtime is owned by the CBS Corporation, just as CBS News is.
Last fall in Greenport, on Long Island, a cooperative effort between federal agents and the local police so enraged Nassau County officials that they threatened to stop working with immigration agents.
Maintaining order has been a cooperative effort between the British military, the local militia and the former police force, some of whose members have been encouraged to return to work.
In 1987 he established the Science & Health Education Partnership (SEP), a cooperative effort between the University of California at San Francisco and the San Francisco Unified School District aimed at improving science instruction in elementary schools.
It became operational in 2003, as a result of a cooperative effort between several public organizations.
"We keep learning the hard way," says Dan Philips, whose company, The Grateful Palate, imports many of Australia's hottest wines to the U.S. "We started out selling our R.B.J. Theologicum"–a highly praised cooperative effort between three famous winemakers–"with 'Grenache' on the label, and it piled up in our warehouse.
We have seen a real cooperative effort between different stakeholders coming in response to BMW's decision in March".
"The recovery of these items was the direct result of a superb, cooperative effort between U.S. law enforcement, the U.S. military and the Iraqi people," said Michael J. Garcia, acting assistant secretary of the Bureau of Immigration and Customs Enforcement, an investigative arm of the Department of Homeland Security.
"I have never seen a more cooperative effort between the executive and legislative branches of municipal government," longtime 14th Ward Ald.
But because of an unusual cooperative effort between two rival private companies, the elderly refugees have not exactly suffered.
