The phrase "are competed over" is correct and usable in written English.
It can be used to describe situations where multiple parties vie for the same resources, opportunities, or advantages.
Example: "In the world of sports, championships are competed over by teams from various leagues."
Alternatives: "are contested for" or "are fought over".
This will increase the level of LMC in a patch (males will be competing over fewer virgin females that have not yet dispersed) and so females would be expected to produce a sex ratio biased more towards daughters than under basic LMC (Ode, Antolin & Strand, 1998).
He added: "Some in Israel are happy that the candidates are competing over who is the biggest supporter of Israel.
That Mr. Bush and Mr. Gore are competing over slightly different profiles of swing voters is apparent in their television commercials.
A decrease usually means that shipping prices and commodities sales are dropping (the latter because shippers are competing over fewer consignments).
They are competing over the hottest deals, slapping down term sheets and offering a few million in cash in exchange for a chunk of the business.
Today, Republican candidates are competing over who can talk the toughest about illegal immigration — who will erect the most impenetrable border defense; who will turn off "magnets" like college tuition benefits.
Without clearly differentiated roles, men and women are competing over the same things: job status, time with the children, who's going to do the housework – which makes harmonious communication difficult, so people look around for explanations.
Cruz's argument also ignores the clear melting of ice and glaciers on and around the north pole, where Russia, Canada and the US are competing over newly open ocean.
"Microsoft and I.B.M. are competing over who defines the dominant systems model of computing for the next 20 years," said David Cearley, a senior vice president of the Meta Group, a research firm.
In 2015, the Timewise Foundation (pdf) found that 46% of those employed in the UK want to work flexibly but are competing over very few vacancies – only 8.7% of jobs that pay over £20,000 are advertised with flexible working options (and of that, 56.5% were part-time roles, only 3.2% were job shares).
