A work stoppage would weaken Boeing as it struggles to recover from a years-long stretch of scandals and setbacks, hamstringing the nation's largest exporter, experts told ABC News. But, they added, workers are frustrated with what they perceive as inadequate compensation and a sense they must sacrifice to make up for the company's mismanagement. The ratification vote concludes at 9 p.m. ET, and the union will release the results in a press conference soon afterward. If union members reject the contract, they will take a second vote on a strike that could begin as soon as Friday morning. "This is a very, very high-stakes game of chicken," Henry Harteveldt, a travel industry analyst at Atmosphere Research Group, told ABC News. Here's what to know about what's behind the strike and its implications for the U.S. economy: Why are Boeing workers threatening to strike? Neither Boeing nor the IAM want a strike. The workers might carry one out anyway.