To determine the overall hottest and coldest labor markets, The Wall Street Journal looked at the 53 metro areas with more than 1 million people. The Journal’s ranking is based on five attributes: average unemployment rate in 2018; labor-force participation rate in 2018; the change in the average monthly employment and labor-force levels in 2018 from a year earlier; and the change in average weekly wage in the first half of 2018 from the first half 2017, reflecting the latest available wage data. The area with the highest average ranking among the five categories was determined to be the hottest labor market. Moody’s...