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Researchers led by Professor C. at MIT’s Department of Economics examine whether high valuations of AI-related firms reflect a speculative bubble or genuine growth. Using a speculative-growth framework, they show how AI’s capacity to substitute for labor can sustain capital accumulation and create the possibility of both low- and high-growth equilibria. In the high-growth regime, elevated asset values reinforce optimistic expectations, supporting further investment and expans

In 2025, researchers at the MIT developed a new method for delivering therapeutic antibodies more efficiently. Traditionally, antibody treatments for cancer and autoimmune diseases require lengthy intravenous infusions in hospitals, often lasting several hours. The MIT team reformulated antibodies into highly concentrated solid microparticles suspended in solution, enabling delivery with a standard syringe rather than the prolonged IV infusion. This approach significantly red