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...

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,...