Explain in detail how hedge fund and venture capital industries work, as well as their function and they importance of their role

Explain in detail how hedge fund and venture capital industries work, as well as their function and they importance of their role in the US economy. Also explain Carlota Perez’s theory of Technological Revolutions and Financial Capital, and the usefulness of her work to the above. That is, in what ways is Perez’s work helpful in explaining what has been going on in the hedge fund and venture capital sectors of the financial services industry. In what ways is her work not helpful, or possibly even misleading?