How agreements between suppliers and retailers can weaken competition

Agreements between manufacturers and retailers can affect competition across brands and stores. This column documents retail price patterns in the US consumer battery industry and
Proposing heating efficiency standards for Europe

More than half of the European Union’s natural gas imports are burned to keep buildings warm, with the heating and cooling of buildings using fossil
Why downturns can make innovation greener

Green innovation is central for the transition to a low-carbon economy, but there are concerns that economic downturns may slow technological progress by reducing firms’
The adjustment of the Danish labour market to AI has begun

Policymakers are asking whether generative AI is reshaping labour demand, and the literature has found mixed results so far. This column links Denmark’s official IT-use
Training novices to think in the age of large language models

Whether teaching a cognitive skill remains valuable in this era of AI is a crucial question in education and for firms. This column reports on
Beyond flows: How natural gas supply risk fuels inflation

Europe’s output losses proved limited following the 2022 cutoff of Russian gas flows, yet inflation rose sharply. This column uses weather variation and gas-market events
How minimum wages reshape firms and their productivity from within

How far can minimum wages rise without damaging jobs and output? This column uses evidence from France to show that firms respond not only by
How exchange rate policy reshapes global supply chains and productivity growth

Global current account imbalances are widening again. This column argues that currency undervaluation, supported by reserve accumulation under capital controls, can permanently reshape industrial structure
New evidence of strong but slow portfolio responses to equity premium changes

Standard portfolio theory predicts strong investor responses to changes in the equity premium, but empirical evidence has found much lower sensitivity. This column studies the
The inflation rate fell but many workers’ pay cheques did not keep up

Inflation in the US has receded from its 2022 peak. This column uses payroll records from 2016 to 2025 to show that many workers have

