Purpose: Despite numerous studies, our understanding of the determinants of disability insurance (DI) claim rates in the USA is clouded. When the unemployment (UE) rate soars during an economic downturn such as the spread of COVID-19, assuming a linear positive...

Working as a team for the Center for Business and Economic Research at the University of Southern Maine, Bruce, James, Lindsey, Brooks and Joseph created a forecasting system for a large retail chain. Their base model uses the ARIMA methodology of Box and Jenkins, but the team has extended ARIMA...