Supply Chain Management Globalization September 4, 2020In some sectors, suppliers may be concentrated in a single geography because of that country’s specialization and economies of scale. Some industries, such as mobile phones and communication equipment, have become more concentrated (particularly in China) in recent years, while others, including medical devices and aerospace, have become less so. We strive to provide individuals with disabilities equal access to our website. If you would like information about this content we will be happy to work with you. Please email us at: McKinsey_Website_Accessibility@mckinsey.com To read the report, see “Risk, resilience, and rebalancing in global value chains,” August 6, 2020.