Discover Wassily Leontief's groundbreaking input-output analysis and the surprising Leontief Paradox that challenged economic trade theories. Learn about his impact on economics.

For the past ten years, Harvard's Economic Research Project has been perfecting a unique analytical tool developed by Wassily W. Leontief, Henry Lee Professor of Economics. Input-output or ...

All systems can be understood using an input-process-output (IPO) model, and the system we call “innovation” is no exception. This model is likely familiar to you from information technology and ...