The holiday shopping season is the best time of the year for big retail chains across the United States. But not so much for the people who stock the shelves and ring up the Christmas sales.

As holiday gift-seeking shoppers return, retail businesses are hiring. But that does not necessarily mean employees are finding good jobs. In fact, if you find work in the slow-growing U.S. economy, it’s increasingly likely to be a low-wage job at one of our country’s retail giants.

Unfortunately for average retail workers, having a job may not be the life-sustaining endeavor it once was. The enormous profits and growth of globalized corporations are coming at great cost to many of their employees.

How abusive are conditions for employees at chains such as McDonald’s, Walmart, Barnes & Noble and Bed Bath & Beyond? Let us count the ways.

First, there’s the pay. The federal minimum wage has stagnated at $7.25 an hour, and as a recent report from Demos notes, “the typical retail sales person earns just $21,000 per year.” Many people work two to three jobs to make ends meet. Even with multiple jobs, many are forced to rely on food stamps and other forms of public assistance, shifting the burden of ultralow wages to American taxpayers. And it is not just teenagers looking for some pocket change. The national median age for U.S. retail workers is 38 while fewer than 25 percent of them were 16 to 24 years old, according to a study by the Aspen Institute. In 2012 more than a third of retail employees in New York City’s teeming retail sector had college degrees.

Then there is the lack of benefits. In October, Walmart announced plans to cut health insurance for about 30,000 of its part-time employees. Although the workers will have the option to sign up for the Affordable Care Act’s publicly subsidized health plans, the retail giant is shifting the cost of its part-timers’ health care to U.S. taxpayers. It is deeply disturbing that a profitable multinational corporation is shirking its responsibilities and making everybody else pick up the tab for treating its workers fairly.

In addition, retail managers routinely subject employees to irregular scheduling. Although many would prefer a full eight hours a day, 40 hours a week, managers can send workers home within a few hours of starting, particularly if business is slow. What’s more, big employers such as Walmart often schedule employees for just a few hours shy of what they need for full-time classification or to receive compulsory benefits.

The problem isn’t simply that employees don’t get the work hours they need. Gone, too, are the regular schedules that allow employees to predict their days off to set up doctor appointments or get their cars’ oil changed. Just-in-time and on-call scheduling practices — which allow employers to tailor work schedules to times when customers are more likely to walk in the door — are making life especially difficult for low-wage earners who juggle multiple jobs. And employees are expected to endure subpar working conditions with a smile.

These conditions have led retail workers to conclude that they need a new form of protection: a bill of rights. In San Francisco, labor activists are demanding just that, and the idea is gaining traction. In a historic victory for low-wage employees, on Nov. 25, the city’s Board of Supervisors unanimously passed the nation’s first Retail Workers Bill of Rights. While San Francisco already had a law requiring the minimum wage to be pegged to inflation, the Retail Workers Bill of Rights will provide much-needed stability and flexibility for 40,000 workers at many of the city’s retail establishments.