The spatial segregation of college-educated and non-college-educated workers between
commuting zones in the United States has steadily grown since 1980. We summarize prior …

Leveraging the Tennessee STAR class size experiment, we show that Black students
randomly assigned to at least one Black teacher in grades K–3 are 9 percentage points (13 …

The share of artificial intelligence (AI) jobs in total job postings has increased from 0.20% to
nearly 1% between 2010 and 2019, but there is significant heterogeneity across cities in the …

Using administrative German data, we show that large cities allow for a more efficient
matching between workers and firms and this has important consequences for geographical …

We use novel data on disciplinary referrals, including those that do not lead to suspensions,
to better understand the origins of racial disparities in exclusionary discipline. We find …

It is widely accepted that R&D investment improves technological progress. The R&D capital
that boosts a firm's production efficiency has various sources. This paper uses “effective” …

In 2020, the COVID-19 pandemic caused by far the largest shock to European economies
since World War II. Yet, astonishingly, the EU unemployment rate had already declined to its …

Abstract Using the Enterprise Survey for Innovation and Entrepreneurship in China (ESIEC)
2018 database, we estimate the effect of the higher education of entrepreneur on firm …

We examine the characteristics of the individuals who become entrepreneurs when local
opportunities arise. We identify local demand shocks by linking fluctuations in global …

The concentration of organisations in a city or region allows companies to receive benefits
without additional costs and increase their productivity. It has been empirically proven that …