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WP/ 8 /2014
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Data Source Availability
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𝐶𝐼𝑥𝑦 =1
𝑇∑[𝐶𝑡
𝑥𝐶𝑡𝑦
+ (1 − 𝐶𝑡𝑥)(1 − 𝐶𝑡
𝑦)]
𝑇
𝑡=1
𝐶𝑡𝑥 𝐶𝑡
𝑥
𝐶𝑡𝑥 = {0, 𝑖𝑓 𝑥 𝑖𝑠 𝑖𝑛 𝑡ℎ𝑒 𝑐𝑜𝑛𝑡𝑟𝑎𝑐𝑡𝑖𝑜𝑛𝑎𝑟𝑦 𝑝ℎ𝑎𝑠𝑒 𝑎𝑡 𝑡𝑖𝑚𝑒 𝑡; 1, 𝑖𝑓 𝑥 𝑖𝑠 𝑖𝑛 𝑡ℎ𝑒 𝑒𝑥𝑝𝑎𝑛𝑠𝑖𝑜𝑛𝑎𝑟𝑦 𝑝ℎ𝑎𝑠𝑒 𝑎𝑡 𝑡𝑖𝑚𝑒 𝑡}
𝐶𝑡𝑦
= {0, 𝑖𝑓 𝑦 𝑖𝑠 𝑖𝑛 𝑡ℎ𝑒 𝑐𝑜𝑛𝑡𝑟𝑎𝑐𝑡𝑖𝑜𝑛𝑎𝑟𝑦 𝑝ℎ𝑎𝑠𝑒 𝑎𝑡 𝑡𝑖𝑚𝑒 𝑡; 1, 𝑖𝑓 𝑦 𝑖𝑠 𝑖𝑛 𝑡ℎ𝑒 𝑒𝑥𝑝𝑎𝑛𝑠𝑖𝑜𝑛𝑎𝑟𝑦 𝑝ℎ𝑎𝑠𝑒 𝑎𝑡 𝑡𝑖𝑚𝑒 𝑡}
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35[−3,12,17,12, −3]
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IHSG
Credit/GDP IHSG IHPR IHSG IHPR IHPR
Frequency
based filter89% 84% 25% 80% 38% 36%
Credit-
Credit/GDP-
IHSG
Turning
point
analysis
59% 22% 17% 26% 55% 61%Credit-
Credit/GDP
Narrow Credit Narrow Credit/GDP Common
Cycle
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Cycle
Average Duration (Quarter)
Business Cycle (PDB)
Financial Cycle (Narrow Credit)
Financial Cycle (Broad Credit)
Broad
Credit/GDP
Credit/GDP IHSG IHSG
Frequency
based filter77% 51% 52%
Credit-
Credit/GDP
Turning
point
analysis
72% 2% 31%Credit-
Credit/GDP
Broad Credit Common
Cycle
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Peak to peak 19 38 40
Trough to trough 17 39 35
Cycle 18 39 37
Financial Cycle / Business Cycle 2.10 2.04
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Aikman, D., A Haldane and B Nelson, “Curbing the Credit Cycle”, as presented at the Columbia
University Center on Capitalism and Society Annual Conference, New York, November
(Revised March 2011), 2010
Basel Committee on Banking Supervision, “Guidance for national authorities operating the
countercyclical capital buffer, Bank for International Settlement”, BIS, 2010.
Borio, C., “The Financial Cycle and Macroeconomics: What Have We Learnt?”, BIS Working Papers,
395, 2012
Bry, G., C. Boschan, “Cyclical Analysis of Time Series: Selected Procedure and Computer Program”,
National Bureau of Economic Research, Technical Paper 20, 1971.
Christiano, L.J., Fitzgerald, T.J., “The Band Pass Filter”, International Economic Review, volume 44,
issue 2, pages 435 – 465, 2003.
Claessens, S., Kose, M.A., Terrones, M., “How Do Business and Financial Cycles Interact?”, IMF
Working Paper, WP/11/88, 2011
Comin, D., Gertler, M., “Medium Term Business Cycle”, American Economic Review, Volume 96 No.
3, 2006
Drehmann, M., C. Borio and K. Tsatsaronis, “Characterizing The Financial Cycle: Don’t Lose Sight of
The Medium Term!”, BIS Working Paper, 380, 2012
English, W., Tsatsaronis, K., Zoli, E., “Assessing the Predictive Power of Measures of Financial
Conditions for Macroeconomic Variables”, BIS Paper No. 22, 2005
Everts, M., 2006, “Duration of Business Cycles”, Munich Personal RePEc Archive (MPRA), No.1219,
2006
Harding, D., Pagan, A., “Dissecting the Cycle: A Methodological Investigation”, Journal of
Econometrics, volume 49, pages 365 – 381, 2002.
Harding, D., Pagan, A., “Synchronization of Cycles”, Journal of Econometrics, 132, pages 59-79, 2006.
Hatzius, J., Hooper, P., Mishkin, F.S., Schoenholts, K.L., Watson, M.W., “Financial Condition Indexes:
A Fresh Look after the Financial Crisis”, National Bureau of Economic Research, 2010
Male, R. Louise, “Developing Country Business Cycle: Characterizing the Cycle and Investigating the
Output Persistence Problem”, 2009
Ng, T., “The Predictive Content of Financial Cycle Measures for Output Fluctuations”, BIS Quarterly
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Utari, G.A.D., Arimurti, T., “Financial Cycles In The Era of Free Capital Flows”, Bank Indonesia
Research Report, 2014
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APPENDIX
A. Interpolation of Private Sector Foreign Debt
The recording of private sector foreign debt in quarterly format first started to be
done in 1992-Q2, while previously the data was yearly. Because of that, data interpolation
needs to be done from 1992-Q1 up to 1999-Q1. As a proxy, the growth pattern of PMTB
investment (Gross Fixed Capital Formation) is chosen, either real or nominal growth with
the following results:
Panel 1. Interpolation results at
level
Panel 2. Interpolation results in
growth (yoy)
Chart A.1. Interpolation using Nominal Investment (DSTA Data)
Panel 1. Interpolation results at
level
Panel 2. Interpolation results in
growth (yoy)
Chart A.2. Interpolation using Nominal Investment (SOFIE Data)
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Panel 1. Interpolation results at
level
Panel 2. Interpolation results in
growth (yoy)
Chart A.3. Interpolation using Real Investment (SOFIE Data)
The interpolation which is selected is the first one, using nominal SOFIE data, because its
results are closest to yearly private sector foreign debt data.
B. Bry-Boschan Coding
Matlab code which was developed by Rand and Tarp (2002) already accommodates
the use of monthly, quarterly, and yearly data. In the original code, the Bry-Boschan
algorithm can only be used for the short term cycle with the wavelength (the distance from
the peak to the peak or trough to trough) and phase (the distance from the trough to peak
or peak to trough) which has already been specified for monthly, quarterly, and yearly data.
Specifically for the purposes of this study, modifications were only done to quarterly data,
so that the code can be used for a variety of different phases and cycles.
In general, the main algorithm that is used is still the same as the original code,
except in the weighting which is used in the Spencer curve. Following Everts (2006), the
weighting in the Spencer curve that is used is 1/35 [-3,12,17,12,-3]. Everts (2006) stated
that Harding and Pagan used 15-point smoothing of the Spencer curve, which is actually
more suitable for monthly data. The complete program code is as follows: