Gillian Dempsey presents an alternative perspective on Intellectual Property (IP) policy in her article Revisiting Intellectual Property Policy: Information Economics for the Information Age. Briefly describe the conventional economics perspective on IP policy, including its theoretical underpinnings. Outline and explain Dempsey's alternative point of view. Compare and contrast these two perspectives, explaining why governments might prefer one policy position to the other in the Knowledge-Based Economy (KBE) era.