Abstract In 2018, Paul Romer and William Nordhaus shared the Sveriges Riksbank Prize in
Economic Sciences in Memory of Alfred Nobel. Romer was recognized “for integrating …

We are part of Nature, not separate from it. We rely on Nature to provide us with food, water
and shelter; regulate our climate and disease; maintain nutrient cycles and oxygen …

This paper reviews the evidence about the effects of urbanization and cities on productivity
and economic growth in developing countries using a consistent theoretical framework. As …

This article studies the effect of corporate and personal taxes on innovation in the United
States over the twentieth century. We build a panel of the universe of inventors who patented …

Why are people in the richest countries of the world so much richer today than 100 years
ago? And why are some countries so much richer than others? Questions such as these …

We investigate the determinants of regional development using a newly constructed
database of 1,569 subnational regions from 110 countries covering 74% of the world's …

We develop and apply a consistent and comprehensive theoretical framework for assessing
whether economic growth is compatible with sustaining wellbeing over time. Our approach …

Resource misallocation can lower aggregate total factor productivity (TFP). We use
microdata on manufacturing establishments to quantify the potential extent of misallocation …

I develop a highly tractable general equilibrium model in which heterogeneous producers
face collateral constraints, and study the effect of financial frictions on capital misallocation …

The impact of R&D on growth through spillovers has been a major topic of economic
research over the last thirty years. A central problem in the literature is that firm performance …