Decomposing measures of variability (or inequality) is a topic of interest. There are two types of decompositions: 1) of a linear combination of random variables into contributions of the individual variables (sources) and contributions of associations between them, and 2) of a population into...

The problem of testing for the equality of the proportions of two independent binominal populations is covered in the literature by a very extensive research. The most popular procedures are Fisher exact test and the chi-square test with (or without) Yates's continuity correction. However,...

In this study, we seek to investigate whether private expert valuations commissioned for specific transactions outside the exchange contain incremental information content over public analyst valuations published routinely by investment houses. First, we find that public valuations are based to...

A health maintenance organization (HMO) provides physicians with electronic notifications regarding HMO-recommended drug substitutes. Objective: Investigating factors affecting physicians' compliance and evaluating associated cost savings. Design: A cross-sectional observational study of all...