As Bitcoin streaks toward $6,000, I continue to think about what will drive it higher. In the near term, it struck me that Bitcoin is behaving as a Giffen good. Giffen goods are defined as "those ...

Keith Giffen, beloved and influential superhero comic creator, dies at 70. The longtime writer and artist cultivated a cranky persona and co-created such iconic characters as Rocket Raccoon, Lobo ...

A Giffen good defies normal market behavior -- when the price of the good rises, demand for it actually increases. The existence of the phenomenon was first identified by a Victorian-era British ...

Keith Giffen, known both as a comic book writer and artist whose characters have appeared in live-action franchises from Marvel and DC Comics, has died. He was 70 years old and had worked in ...

Keith Giffen, the comics writer-artist behind DC's Lobo and Blue Beetle as well as Marvel's Rocket Raccoon, has died. He was 70.

Keith Ian Giffen was born on Nov. 30, 1952, in Queens, the elder of two children of James and Rosa (Duncan) Giffen, who both served in the military during World War II. His father was later a ...