Song Ma When Corporate Acquisitions Affect Healthcare Florian Ederer, Song Ma April 02, 2020 Companies often purchase competitors, not to acquire their ideas and products, but to shut them down. A recent report raised questions about whether such an acquisition may be partially responsible for a shortage of ventilators in the United States. Companies Invest in Startups to Repair Weaknesses Song Ma July 16, 2019 A study by Yale SOM’s Song Ma shows that companies tend to invest in startups when they are struggling, in order to gain access to innovation and shore up an area of weakness. Activist Shareholders May Help Firms in the Long Term Song Ma March 28, 2019 Do activist shareholders choose quick profits over long-term health? Yale SOM’s Song Ma and his collaborators find evidence that their interventions boost innovation. Do Companies Buy Competitors in Order to Shut Them Down? Florian Ederer, Song Ma June 04, 2018 A study co-authored by Yale SOM researchers Florian Ederer and Song Ma suggests that “killer acquisitions” by pharmaceutical companies are potentially limiting the number of new treatments available.