Synthesized answer
The provided passages do not contain information about what questions remain unanswered in "Studies in Philosophy, Politics, and Economics" by Friedrich August Hayek. The only passage available is a brief citation and categorization of the book [1]. Therefore, it is not possible to answer the question based on the given material.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Studies in Philosophy, Politics and Economics by Friedrich August Hayek Categories: Business & Economics Pages: 376