Honda and Nissan are expected to unveil the outline of their merger in mid-February.

Now that the Nissan-Honda merger has officially collapsed, details about why talks unraveled so quickly are emerging.

Nissan will be the victim of cost-cutting “carnage” if it combines forces with Japanese peer Honda, former Nissan CEO Carlos Ghosn told CNBC on Tuesday. “I think, without any doubt, Honda is going to ...