The authors, Joshua Mitts, professor at Columbia Law School, and Robert Jackson, professor at New York University, said they found "troubling trading patterns" that warrant investigation.
Airlines expect record traveler numbers and revenues in 2024 but will continue to be constrained by the high cost of capital and limited capacity, IATA said.
The Bank of England warned on Wednesday warned that although household finances are faring better than expected, higher borrowing costs have yet to feed through to the economy.
President Joe Biden has stressed that the United States believes the conflict between Israel and Hamas must end with a vision of a "two-state solution."
Revenue rose 11% to 8.5 billion euros ($9.17 billion), while investors zeroed in on a forecast for EBIT to increase by at least 25% year-on-year in 2024.
The terms of the new deal were not immediately clear and the announcement did not specify whether the members renewed their contracts on an individual basis.