Carlson School of Management Associate Professor Paul Vaaler discusses his research entitled, "How Do Plural-Sourcing Firms Make and Buy? The Impact of Supplier Portfolio Design," published in Strategic Management and Entrepreneurship. For more information on the Carlson School, visit http://www.carlsonschool.umn.edu. Follow us on social media! Facebook: https://www.facebook.com/CarlsonSchoolUMN/ Twitter: https://twitter.com/CarlsonNews LinkedIn: https://www.linkedin.com/company/carlsonschoolumn Instagram: https://www.instagram.com/carlsonschoolumn/