Why do cities differ so much in productivity? We document that most of the measured dispersion in productivity across … US cities is spurious and reflects granularity bias: idiosyncratic heterogeneity in plant-level productivity and size …

We study the impact of techies—engineers and other technically trained workers—on firm-level productivity. We first …-neutral productivity in both manufacturing and non-manufacturing industries. We find that techies raise firm-level productivity, and this … of techies on productivity operates mostly through ICT and other techies, not R&D workers. Engineers have a greater …

price shocks. Following a migrant inflow, labor costs decline and employment expands. Labor productivity decreases sharply … migration mostly benefits low- productivity firms within locations. As migrants select into high-productivity destinations …, migration however strongly contributes to the equalization of factor productivity across locations …

interactions between MP and trade. According to the model with MP, supply-side productivity shocks contributed to the collapse of … to shocks that affected aggregate productivity and were specific to multinationals in a few key headquarters countries …

impact is the standard method in bibliometrics. Since citation rates for journal papers differ substantially across … are the most important indicators in bibliometrics: (1) the mean normalized citation score (MNCS) compares the citation …