In 2007, Hausmann, Hwang and Rodrik (HHR) demonstrated that export specialization patterns have important implications for economic growth. The authors developed an indicator of income level linked to the country’s exports they called EXPY and showed that higher values of the indicator lead to...

Existing empirical studies have focused on determinants of investment. We focus instead on episodes of accelerated capital stock growth that last eight years or longer. We find that episodes are relatively common, even in low growth regions, but more so in middle income and Asian countries....