We investigate the impact of CEO’s happiness on firm innovation in China. As happiness is difficult to measure, we use CEO’s age based on the Happiness Curve theory. We find that when CEOs are in their less happy midlife stage, they more actively promote higher reward and risk innovation...

Technological diversification and specialization have important roles in explaining volatility, innovation, income inequality, exports, and related concerns; however, the relationships between transportation improvement and technological diversification and specialization remains unexplored....