What role does the format (paperback, hardcover) play in distinguishing a graphic novel from a comic book collection?

While both can be published in paperback or hardcover, graphic novels are *often* released in more durable, higher-quality hardcover editions, emphasizing their status as a complete literary work. Comic collections, while sometimes getting hardcover releases, are more frequently found in trade paperback form. The presentation often reflects the perceived value and longevity of the work.