Pandemic shocks disrupt human capital accumulation through schooling and work experience. This study quantifies the long-term economic impact of these disruptions in the case of COVID-19, focusing on countries at different levels of development and using returns to education and experience by...

This paper uncovers evidence of s potentially important channel linking financial development to growth: the financing of innovations introduced by entrepreneurs. Using internationally comparable data on European countries, entry and exit in research-intensive industries are found to be...

We explore the key mechanisms whereby uncertainty impacts the business cycle by exploring the interaction of uncertainty with growth in industries with different technologies of production. We find that uncertainty shocks are particularly detrimental to growth in industries with rapid capital...

We explore the long run impact of policy on the level of economic activity through changes in the vintage distribution of capital, in a model where different vintages coexist in production. Because firms can choose the vintage of capital in which they invest, investment subsidies do not in...

We develop a general equilibrium multi-industry model in which firms use external funds to conduct productivity-enhancing R&D. Industries differ in terms of research costs, which lead them to different optimal research expenditures. In the model, more R&D-intensive industries require more...

Economies tend to diversify and then re-specialize as they develop. In an economy with many industries that experience different rates of productivity growth, these "stages of diversification" may obtain if initial conditions are skewed away from the industries that dominate economic structure...

Two issues related to mapping a multi-sector model into a reduced-form value-added model are often neglected: the composition of intermediate goods, and the distinction between the productivity indices for value added and for gross output. We illustrate their significance for growth accounting...

What factors underlie industry differences in research intensity and productivity growth? We develop a multi-sector endogenous growth model allowing for industry-specific parameters in the production functions for output and knowledge, and in consumer preferences. We find that long run industry...