Lacking a federal policy to control COVID-19, state governors ordered lockdowns and mask mandates, at different times, generating a massive natural experiment. The authors exploit this natural experiment to address four issues: 1) Were lockdowns effective in reducing infections? 2) At what costs...

The idea of a flattening world has captured the public imagination, yet the income gap between rich and poor countries has widened. The net effect of these two trends on the speed of new product diffusion across the world has remained an open question. This study provides an answer by analyzing...

While a time-based segmentation approach to customer segmentation for new products allows firms to identify consumers in the innovators and the early adopters segments, we add a profitability-based perspective to generate new insights. Using six years of data on the adoption of technology...