Previous research on defining and measuring consensus (agreement) among forecasters has been concerned with the evaluation of forecasts of continuous variables. This previous work is not relevant when the forecasts involve binary decisions: up-down or win-lose. In this paper we use Cohen's kappa...

U.S. industrial production data published in 1929-30 show a steep drop in production from June to December 1929 and a substantial recovery by February 1930. Revised data used in recent analyses of the Great Depression show a smaller decline in 1929 and no recovery period. This paper identifies...