Synthesized answer
The provided passages do not contain the answer to your question. The question asks for an explanation of key concepts in my own words, but the passage only provides the title and page number of the book "The Theory of Business Enterprise" by Thorstein Veblen. There is no content from the book included that would allow me to identify or explain any key concepts.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: The Theory of Business Enterprise by Thorstein Veblen Pages: 228