The phrase "a slump in performance" is correct and usable in written English.
It can be used to describe a decline or decrease in someone's or something's effectiveness or productivity.
Example: "The team experienced a slump in performance during the second half of the season, leading to disappointing results."
Alternatives: "a decline in performance" or "a drop in performance."
For more local news from The Times, including the devastation Tropical Storm Irene created for Catskill towns and its cost to our city; the aggressive defense of Joshua Komisarjevsky, who goes on trial in September in the killing of a family in 2007; and a slump in performance for city agencies under Mayor Michael R. Bloomberg's stewardship, see the N.Y./Region section.
Neither bearish bet on bonds paid off and the Total Return fund suffered a slump in performance; its return is below the average for similar bond funds over the past five years.In the short term, PIMCO may be damaged as clients follow Mr Gross to Janus.
Ferrari had their worst season in 21 years in 2014, the nadir of a slump in performance that convinced Fernando Alonso to leave the team two years before the end of his contract because he had lost faith that they could give him a car in which he could win a third world title.
Tesco is in turmoil after replacing its chief executive and finance director after a big slump in performance in the UK and overseas.
"Winning more Olympic and Paralympic medals in Rio than we did in London, bucking the trend of a host nation slump in performance at the following Games, presents a sizable challenge but one the high performance system is capable of meeting," Timson added.
Britain's Olympic sports are being encouraged to begin their planning for the 2016 Olympics in Rio de Janeiro now in an attempt to stave off the slump in performance that has consistently hit host nations in the aftermath of holding a successful Games.
At Lord's the England and Wales Cricket Board was unveiling Andrew Strauss as its new director of cricket, a position created to address a slump in the national team's performances in the past 18 months that included a 5-0 Ashes thumping by Australia and a World Cup campaign this year in which the seemingly impossible task of failing to make the knockout stages was achieved with aplomb.
There was a slump in the Beatles' popularity about a year ago.
A slump in his shoulders from the massive burden.
