Seasonal Adjustment of the Industrial Production Index for Romania – An Innovative Approach Using JDemetra+ 2.1

Iulia Elena TOMA, PhD. Candidate (
Bucharest University of Economic Studies
Andreea MIRICA, PhD. Assistant Lecturer (
Bucharest University of Economic Studies
Mihai PĂUNICĂ, PhD. Professor (
Bucharest University of Economic Studies


Accurate and precise data are essential for decision makers. Moreover, when statistical data revisions are taken into account, data stability is very important. This paper proposes an innovative procedure that can be used to seasonally adjust the Industrial Production Index of Romania in order to obtain a good overall quality and low revisions. In this context, different seasonal adjustment methods, the Julian Easter, the series length and different seasonal and Henderson filters were taken into account.

Keywords: seasonal adjustment, revisions, JDemetra+, Industrial Production Index
JEL Classification: L16

[Full Text]

Romanian Statistical Review 4/2018