Step 1: Understanding the Concept:
Entrepreneurship theory identifies core behavioral competencies and psychological attributes of successful entrepreneurs.
Step 2: Detailed Explanation:
1. Risk-taking propensity (Statement A): The ability to undertake calculated risks and manage uncertainty is a defining characteristic of entrepreneurship.
2. Effective communication (Statement C): Clear interpersonal communication is vital for pitching ideas, negotiating with suppliers, leading teams, and marketing to clients.
Having a strong financial background (wealth) or encyclopedic knowledge across unrelated sectors are not necessary prerequisites for entrepreneurial success.
Step 3: Final Answer:
Therefore, A and C only are fundamental characteristics of an entrepreneur.