Shake Shack Tests Four-Day Work Week Amid Tight U.S. Job Market
The Shake Shack Inc. logo is seen on an employee’s shirt at the company’s restaurant in Lexington, Kentucky, U.S. (Photographer: Luke Sharrett/Bloomberg)

Shake Shack Tests Four-Day Work Week Amid Tight U.S. Job Market

(Bloomberg) -- Americans have been known to innovate when it comes to hamburgers. Maybe it’s no surprise, then, that Shake Shack Inc. is getting creative in its effort to attract and retain scarce ...
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