Technological innovation is not a blessing for all firms, or for investors holding the market. In the late 20th century US, individual firms' stock returns correlate positively with their own productivity growth, yet the market return correlates negatively with aggregate productivity growth,...

Technological innovation is not always a blessing for all the firms in an economy, or for investors who hold the market portfolio. In the late 20th century US, the market return correlates negatively with aggregate productivity growth, yet individual firms' stock returns correlate positively...

In this paper, we establish a link between firm heterogeneity and long-run economic growth both theoretically and empirically. We show that firms' technological heterogeneity creates the diversification effect for R&D financiers, facilitating R&D investment, and thus leading to long-run economic...

Technological innovation is not a blessing for all firms, or for investors holding the market. In the late 20th century US, individual firms' stock returns correlate positively with their own productivity growth, yet the market return correlates negatively with aggregate productivity growth,...

Private-public partnership (PPP) methods are considered to be an effective way to narrow the gap between demand and supply of social infrastructure. If successfully pursued, PPP can deliver benefits to users, governments, and the private sector, or the so-called triple wins. Enhancing efficiency...