Portfolio managers use index futures for a variety of reasons. Regardless of their motivation, they will keep a close eye on the relation between the index futures returns and their stock‐portfolio returns. Whenever this relation is perceived to have changed, the manager will decide whether it...

Several authors have postulated econometric models for exchange rates restricted to lie within known target zones. However, it is not uncommon to observe exchange rate data with known limits that are not fully 'credible'; that is, where some of the observations fall outside the stated range. An...

Missing observations in dependent variables is a common feature of many financial applications. Standard ad hoc missing value imputation methods invariably fail to deliver efficient and unbiased parameter estimates. A number of recently developed classical and Bayesian iterative methods are...