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With New York’s upstate casinos struggling, some state officials are considering the once unthinkable: putting casinos in New York City itself.

Representatives from major gaming companies have been meeting this week with lawmakers in Albany, including the Assembly speaker, Carl E. Heastie, to push a proposal to open as many as three full-fledged casinos in the New York City area.

They say that such a move could provide the state hundreds of millions of dollars each year in new revenue and create thousands of new jobs, an argument that has been given extra heft by the collapse of the Amazon deal in Queens, and the ongoing effort to find a financial cure for the city’s decrepit subways.

Under one proposal, Aqueduct Raceway on the Queens border with Long Island and Yonkers Raceway would be converted from so-called racinos into full gaming operations. In another, the state would open bidding for up to three casino licenses, clearing the way for a new gambling hub to be built elsewhere in New York City, likely outside of Manhattan.