Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/61288
Authors: 
Breitung, Jörg
Swanson, Norman Rasmus
Year of Publication: 
1998
Series/Report no.: 
Discussion Papers, Interdisciplinary Research Project 373: Quantification and Simulation of Economic Processes 1998,27
Abstract: 
In this paper we characterize what has sometimes been referred to in the literature as instantaneous causality, by examining the consequences of temporal aggregation in (possibly) Granger causal systems of variables. Our approach is to compare the concept of contemporaneous correlation due to Swanson and Granger (1997) with that of Granger causality. Using asymptotic theory based on large aggregation intervals we derive conditions for a correspondence between both concepts. These results allow us to differentiate between spurious contemporaneous correlation arising because of aggregation, and true Granger causality. Monte Carlo experiments indicate that the asymptotic results provide a reliable guidance for finite samples and finite aggregation intervals.
Subjects: 
Granger causality
instantaneous causality
contemporaneous correlation
temporal aggregation
stock and ow variables
JEL: 
C32
C43
C51
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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