By Lananh Nguyen and Saeed Azhar NEW YORK (Reuters) – When Jamie Dimon was asked by an analyst on Friday if his bank would wait to hire employees for lower pay as the economy slows, the chief executive of JPMorgan Chase & Co had a blunt answer: “No.” The largest U.S. lender’s workforce swelled 9% to 288,474 in the third quarter from a year earlier as it added staff in its consumer, investment banking and asset and wealth management businesses. Compensation expenses rose 16% to $10.5 billion. Dimon isn’t alone. Citigroup Inc increased its headcount to 238,000, up 8% from a year earlier, while i…