What Three Decades of Advancing Clean Air Taught Us—and Where We Go from Here
In 1990, facing a public health crisis, Mexico City initiated its first multiyear air quality management strategy, significantly reducing lead and sulfur emissions. These results
Making AI work: From promise to practice
AI is here. Over 3 billion people globally use generative AI (genAI) like ChatGPT or Baidu’s Erni Bot monthly. AI helped researchers discover new proteins (and get
Cheaper machines, costlier buildings: The drag on long-run growth
The steady decline in the relative price of equipment has long been seen as a primary engine of long-run growth. This column documents a quieter,
The transatlantic divide in labour’s share of income
Across advanced economies, workers have been receiving a smaller share of national incomes. This column compares the evolution of labour’s share of income in Europe
Global trade linkages and the cross-country distribution of the gains from AI
Productivity gains from AI are expected to be significant, but how international trade shapes the cross-country distribution of these gains remains an open question. This
Industrial policy, tariffs, and the return of global imbalances
Has the rise of industrial policy driven an increase in global current account imbalances? Can tariffs fix them? This column revisits these questions. Looking at
Faced with global shocks, protect investments that drive growth and jobs
The global economy is entering another period of heightened stress. Geopolitical tensions, policy uncertainty, climate risks, and rapid technological change are making policy decisions more
Macroeconomic policies for AI
While some observers argue that artificial intelligence may lead to large productivity gains, there are also concerns that it may lead to technological unemployment and
The impact of emissions trading systems on manufacturing installation productivity: Evidence from Japan
Emissions trading systems have been widely studied globally, but less attention has been paid to their impacts on the productivity of the regulated facilities. This
Ray of hope? The rise of solar energy in China
China’s solar industry is a poster child for the country’s economic rise over the last four decades. The output of Chinese solar grew by 76%
