The phrase "are staging more" is grammatically correct and can be used in written English.
It can be used in contexts where you are discussing the act of organizing or preparing something in greater quantities or frequency.
Example: "The event organizers are staging more performances this year to accommodate the increased demand from the audience."
Alternatives: "are organizing more" or "are arranging more".
Cable networks are staging more debates than ever, obliging candidates to build their fall schedules around preparing for and traveling to the slickly produced televised clashes, and putting a premium on skills different from those of retail campaigning.
Family spectacles such as the musical The Lion King helped London theatre box-office revenues top £500m for the first time last year, and theatres across the country are staging more productions aimed at the young.
But as Washington's political set return from their summer vacations they will find that their city's most renowned venue is staging more than a revived classic.
Griffin is staging more Australian theatre too, he notes, including more Melbourne writers, while the Malthouse's ambition is clear in its mix of new Australian plays, dance and musical performance.
Starting this week, Enroll America is staging more than 50 local events in 18 states, including door-to-door home visits and appearances at gathering places like churches and farmers' markets, the organization announced in a conference call with reporters Tuesday.
In my country, there is no writer more popular, or whose plays have been staged more often in the last 10 years.
Some people want to renovate the old 300-seat playhouse, where the last production was staged more than half a century ago.
Without going to the extremes of 1948, the games could surely have been staged more cheaply (or, as this newspaper argued in 2005, not at all).
Somite-stage embryos were staged more accurately by counting the number of somite pairs.
Unfortunately, by this time Ken Campbell was staging a more lavish version of his original production.
He says the missile forces are also staging more frequent exercises.
