The Deming Cup Channel

A new study by Professor Lori Yue and her co-authors reveals how app developers acquiring smaller third-party apps in the iOS App Store create powerful synergies that discourage new competitors from entering the market.

Public company numbers have fallen by half since the 1990s, but research by Professors Kairong Xiao and Michael Ewens finds regulatory costs account for only a small share of the decline, challenging a popular narrative about going and staying public.

Columbia Business School research shows that softening your opening offer with hedged language makes you more persuasive—and less likely to get ghosted.

A field experiment by Professor Kinshuk Jerath and his co-researchers shows that an optimal level of ‘retail media’ benefits both marketplaces and consumers.

A study of Italy’s broadband rollout finds that adolescents exposed to high-speed internet experienced a rise in hospitalizations for depression, anxiety, and other mental health disorders, offering rare evidence of the internet’s psychological costs.

Columbia Business School researchers discover that the amount of variety in a consumer’s past purchases predicts their openness to algorithm-based recommendations.

Research from Columbia Business School reveals how team diversity improves workplace ethics and reduces collusion by designing better incentives.