Official guidelines for opening America after COVID-19 lockdowns are backward-looking. For example, they require a two-week downward trajectory of documented cases, without mentioning their statistical significance. We propose a forward-looking strategy using out-of-sample forecasts of deaths,...

Complete novelty and uncertainty of the COVID-19 pandemic have created many challenging scientific problems, including biased data arising from a lack of randomized testing over the general population. We describe the bias problem and its solution from Econometrics literature, which seems to...

Calyampudi Radhakrishna Rao (Rao for brevity, henceforth) just celebrated his 90th birthday. He received numerous honors including 1972 fellow of Econometric Society and the 2002 US Medal of Science (the citation of which recognized his contributions to economics). He co-founded with Mahalanobis...