Gab Marcotti cites lucrative contracts and a sense of confusion at the club as reasons Arsenal are unlikely to sign new players in January.
Arsenal have confirmed that head of recruitment Sven Mislintat will leave next month.
Last week, a source told ESPN FC that the 46-year-old would leave the Emirates Stadium after a series of disagreements over the Gunners' organisational structure and transfer strategy.
In a statement, Arsenal thanked Mislintat for "a truly outstanding job in helping us recruit players who are making a big impact now and will do so even more in the future."
The head of recruitment said: "It's been an amazing experience…