Vaccination Promotions Won't get us to Herd Immunity
Recent efforts to boost COVID vaccinations via lotteries will likely create a few days of increased activity, followed by the resumption of the downward trend. See that attached chart of vaccination counts in Ohio. There's a management/policy/marketing lesson in this. (Note: The recent uptick in nation-wide vaccination counts is being driven by the 12-17 age segment). Promotions generate short-term activity. I have been asked many times to estimate the long-range financial im