Estimation of fractional integration under temporal aggregation

Uwe Hassler

Journal of Econometrics, 2011, vol. 162, issue 2, 240-247

Abstract: A result characterizing the effect of temporal aggregation in the frequency domain is known for arbitrary stationary processes and generalized for difference-stationary processes here. Temporal aggregation includes cumulation of flow variables as well as systematic (or skip) sampling of stock variables. Next, the aggregation result is applied to fractionally integrated processes. In particular, it is investigated whether typical frequency domain assumptions made for semiparametric estimation and inference are closed with respect to aggregation. With these findings it is spelled out, which estimators remain valid upon aggregation under which conditions on bandwidth selection.

Keywords: Long; memory; Difference; stationarity; Cumulating; time; series; Skip; sampling; Closedness; of; assumptions (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (25)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:econom:v:162:y:2011:i:2:p:240-247

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