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Japan’s Innovation Challenge: Escaping the Middle-Technology Trap

Japan remains one of the world’s most technologically sophisticated economies, yet its labor productivity has been stagnant for more than two decades. This paper investigates the apparent contradiction between Japan’s high R&D intensity and its weak productivity performance by examining the allocation, composition, and effectiveness of innovation across industries.

The Coherence of US Cities

Diversified economies are critical for cities to sustain their growth and development, but they are also costly because diversification often requires expanding a city’s capability base. We analyze how cities […]

Global Networks, Monetary Policy and Trade

We develop a novel framework to study the interaction between monetary policy and trade. Our New Keynesian open economy model incorporates international production networks, sectoral heterogeneity in price rigidities, and […]