Economist Guillaume Vandenbroucke found there is a wage gap between married men and the rest of the workforce, with married men averaging nearly $90,000 by their mid-40s while both married and single women and single men earn about $50,000 at that point. Vandenbroucke said men with higher wages could be more likely to marry and that getting married doesn't automatically increase a man's wages.

A lack of school bus drivers has created transportation issues for districts across the country, moving some to offer signing bonuses and devise other tactics to fill the gaps. Last year, district leaders in Hawaii provided free monthly public transit passes to students on Maui to help cope with driver shortages on that island.

Starting Tuesday, about 5.3 million workers will see a bump in pay when minimum wage increases go into effect, according to a report by the Economic Policy Institute. Wages are projected to increase by $5.4 billion in 2019, with average workers seeing between $90 and $1,300 annually, depending on their state.

While 800,000 federal government workers have been affected by the shutdown, which began just before Christmas, one of the hardest-hit agencies is the National Institute of Standards and Technology, which was to furlough the majority of its staff. Fewer than 500 essential employees were to remain working at the agency, which is in charge of writing guidelines for White House cybersecurity.

Servant leadership seeks to inspire people to do their best through a coaching style that "connects learning with practice and reinforces change, while keeping an eye on results," Dan Rockwell writes. A prerequisite of coaching is having an employee who wants to improve, he notes.