NBA spokesman Mike Bass said information prepared by Forbes and Financial World in regards to its financial losses was inaccurate.

Bass said Forbes "does not have the financial data for our teams and the magazine's estimates do not reflect reality."

"Precisely to avoid this issue, the NBA and its teams shared their complete league and team audited financials as well as our state and federal tax returns with the players union," Bass said. "Those financials demonstrate the substantial and indisputable losses the league has incurred over the past several years."

Bass said the league never had a positive net or operating income in the last CBA, and that 11 teams had net losses of more than $20 million in the 2009-10 season.

He said the losses from that season, the one studied in the article, were $340 million and that 23 of the 30 teams lost money that season. Forbes estimated there were 17.

"We do not know how they do their calculations," Bass said.