Researchers have increasingly realized the need to account for within-group dependence in estimating standard errors of regression parameter estimates. The usual solution is to calculate cluster-robust standard errors that permit heteroskedasticity and within-cluster error correlation, but...

The focus of this book is to develop a plausible basis for reasoning in situations involving incomplete-partial information and developing principles and procedures for learning or recovering information from a sample of economic data. The book starts with the specification and analysis of the...