Dear Sir/ Madam,

I would like to have a certificate of participation in the DRUID 2023 Lisbon.  I would appreciate it if it's possible for me to have a digital copy of the certificate. Here is the detail of my presentation session: Presenter of the paper: 70142, How Friends Become Foes: Complementors and Market Entry in New Technological Generations, 23, 2023-Jun-10, 15:00 - 16:30

Please let me know if any further information is required. Thank you very much in advance.

Best regards,
Chang Liu

Untitled Document La tua firma può scrivere un futuro. Aiuta gli studenti meritevoli a costruire il proprio. Dai il tuo 5x1000 alla Bocconi C.F. 80024610158

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5x1000 is a percentage of Italian personal income tax that taxpayers can allocate to Universities, scientific research and non profit organizations.