Under New Hampshire law, Janette Desmond can pay the employees who scoop ice cream and cut fudge at her Portsmouth sweet shop as little as $7.25 an hour.But with the state unemployment rate under 2 percent, the dynamics of supply and demand trump the minimum wage: At Ms. Desmond’s store, teenagers working their first summer jobs earn at least $14 an hour.“I could take a billboard out on I-95 saying we’re hiring, $7.25 an hour,” Ms. Desmond said. “You know who would apply? Nobody. You couldn’t hire anybody at $7.25 an hour.”The red-hot labor market of the past two years has led to rapid pay increases, particularly in retail, hospitality and other low-wage industries. It has also re …
