The papers in the sixteenth volume of the National Bureau of Economic Research's Innovation Policy and the Economy offer insights into the changing landscape of innovation by highlighting recent developments in the financing of innovation and entrepreneurship and in the economics of innovation and intellectual property. The first chapter, by Ramana Nanda and Matthew Rhodes-Kropf, explores the process of experimentation in the context of financing of technology start-ups by venture capitalists. The second, by Yael Hochberg, also analyzes the role of entrepreneurial experimentation by...