More millennial men are choosing to live with their parents compared to previous generations, according to an analysis by J.P. Morgan. Using Census microdata, the bank’s researchers found that the millennial generation — which is “far from monolithic” and is broken down into early, middle and late stages — has been “reaching lifecycle milestones later in life than prior generations,” and in particular, has been moving into their own households at a “slower pace than their predecessors.” The difference in behavior compared to Baby Boomers and Gen Xers is most pronounced with middle millennial men (born between 1986 and 1990)...