Why NASA Hired a Chief Economist

In this episode of Odd Lots, hosts Tracy Alloway and Joe Weisenthal speak with Alex McDonald, NASA's first chief economist, about the evolving role of economics in space exploration. McDonald recounts how his academic passion for space economics—sparked by the 2005 flight of Spaceship One and the Bush-era Vision for Space Exploration—led to his role at NASA, where he advised on the agency’s strategic partnerships with private companies like SpaceX and Blue Origin. The conversation explores the historical shift from private industrialist funding of early astronomy to government-led space programs like NASA, and how budget constraints and technological ambition have driven NASA to increasingly rely on commercial spaceflight. McDonald discusses the economic rationale behind NASA’s missions, the potential for spinoff technologies (like semiconductors and microgravity manufacturing), and the emerging commercial space economy, including private space stations and orbital data centers. He also addresses the legal framework of space, particularly the Outer Space Treaty, which prohibits national ownership of celestial bodies while allowing ownership of assets placed there. The episode delves into the future of space exploration, from the Artemis program’s goal of returning humans to the moon by 2028 to the long-term vision of Mars colonization. McDonald evaluates the balance between public and private roles in space, arguing that high-risk, long-term projects should remain under public oversight, while commercial services like logistics and infrastructure could be privatized. He also touches on speculative but intriguing ideas like space elevators and alien invasion scenarios, framing them as thought experiments in risk and innovation. Ultimately, the discussion underscores that while direct financial returns from space may be distant, the economic value lies in technological advancement, national prestige, and the long-term survival of humanity.