Is a Martian Economy Really a Thing?

Paul Jarley: It’s Space Week at UCF and I’m like a kid in a candy store. So many questions. For one, everyone’s talking about going to Mars, but why? What problem are we solving? What does Mars offer that other planets or the moons don’t? And if the answer is survival or curiosity, does that really require an economy, people trading air, power and data in some kind of cosmic barter system? Or is…