The international diffusion of technology plays a key role in stimulating global growth and explaining co-movements of international equity returns. Existing empirical evidence suggests that countries are heterogeneous in their attitude toward innovation: Some countries rely more on technology...

The international diffusion of technology plays a key role in stimulating global growth and explaining co-movements of international equity returns. Existing empirical evidence suggests that countries are heterogeneous in their attitude toward innovation: Some countries rely more on technology...

Firms' sensitivities to business cycles differ by size and age. The differences are large: "young and small firms" are more cyclical than large firms, whereas "old and small" firms are closer to acyclical. A heterogeneous-firm model with heterogeneous returns to scale can replicate these...