Global zombie companies: measurements, determinants, and outcomes

Academics and practitioners are increasingly concerned about global zombieism, a term used to describe insolvent firms that survive with the support of financial institutions, investors, or governments, particularly during unusual market conditions. Using dual-filters of interest coverage ratio and an empirically validated default prediction model, we propose a new measure to gauge the extent of zombieism in the world’s 20 largest economies. The average zombie share of listed firms has increased significantly since 1990, to about 7