https://en.wikipedia.org/wiki/Health_insurance_in_the_United_States#The_rise_of_employer-sponsored_coverage https://en.wikipedia.org/wiki/Health_insurance_in_th

https://en.wikipedia.org/wiki/Health_insurance_in_the_United_States#The_rise_of_employer-sponsored_coverage https://en.wikipedia.org/wiki/Health_insurance_in_the_United... I've always heard it attributed to WWII era wage controls. You couldn't compete on salary so you had to come up with other benefits to tie to your job.