Without human management Autonomous Corporations will fund their infrastructure with profits from the services they provide.
Each will issue its own currency which will derive value from its exclusive ability to purchase the DAC's services. The DAC will pay the crowd with its own floating currency to provide servers and networking for its compute and bandwidth needs.
The possibilities are mind boggling. I suspect one day our own minds will be DACs, paying for their computational substrate with back-breaking work in the 'salt mines'.
Check out:
https://aeon.co/essays/are-we-ready-for-companies-that-run-themselves
http://www.economist.com/blogs/babbage/2014/01/computer-corporations
https://blog.ethereum.org/2014/05/06/daos-dacs-das-and-more-an-incomplete-terminology-guide/
http://www.wired.com/2016/06/biggest-crowdfunding-project-ever-dao-mess/
