Growing trend: Employers doling out bonuses instead of raises

"A growing preference among employers for one-time bonuses instead of raises that keep building over time has been quietly transforming the employment landscape for two decades," the N.Y. Times' Patricia Cohen writes:

Why it matters: "This little-noticed shift in how employers compensate workers could also help explain one of the economy’s most persistent puzzles: why a hot labor market has failed to ignite bigger increases in wages."