This study examines the time series properties of inflation in order to emphasize the nature of the shocks to the process. In particular, we offer evidence that US inflation may be characterized by low frequency permanent shocks, as opposed to the high frequency permanent shocks that is commonly...

This study investigates the relation between petroleum futures spread variability, trading volume, and open interest in an attempt to uncover the source(s) of variability in futures spreads. The study finds that contemporaneous (lagged) volume and open interest provide significant explanation...

An extension of the Holly and Gardiol (2000) and Baltagi et al. (2009) papers to the two way context, with heteroskedastic and spatially correlated disturbances is considered. One then derives a joint LM test for homoskedasticity and no spatial correlation. In addition, two conditional LM tests...

ABSTRACTThis paper extends the ‘remarkable property’ of Breusch (Journal of Econometrics 1987; <b>36</b>: 383–389) and Baltagi and Li (Journal of Econometrics 1992; <b>53</b>: 45–51) to the three‐way random components framework. Indeed, like its one‐way and two‐way counterparts, the three‐way random...