This study explores the diversification of high-quality technologies within Chinese cities from 2000 to 2015. Our results reveal that both high-quality and low-quality technological portfolios contribute to high-quality technological diversification. High-quality portfolios dominate this process...

The resurgence of subsidies and industrial policies has raised concerns about their potential inefficiency and alignment with multilateral principles. Critics warn that such policies may divert resources to less efficient firms and provoke retaliatory measures from other countries, leading to a...