This paper sets out to estimate univariate time series models on a selected set of offensive baseball measures from 1901 to 2005. The measures include homeruns, bases on balls, runs batted in, doubles, and stolen bases. The paper next estimates the trends in these statistics simultaneously using...

This paper considers a variance decomposition of offensive baseball performance. Estimating the variance components of offensive baseball performance allows one to determine how much of the variability in performance can be accounted for by differences among teams and how much of the variability...