New Delhi, May 22 -- JPMorgan Chase CEO Jamie Dimon has issued a sharp warning to New York City Mayor Zohran Mamdani, questioning whether the mayor's progressive economic policies will strengthen or weaken the city's competitiveness.

Dimon, speaking on Bloomberg TV, said ideology alone would not define success and stressed that results would ultimately determine his judgment of the administration.

"I don't care what he says. What does he do? I will judge that . because you can talk about morality and ideology all you want, but if things don't get better, you didn't do a good job," Dimon said.

Dimon cautioned that past experience with city leadership suggests policy missteps can worsen urban challenges if not corrected.

"I have seen ma...