A Study on Whether Shocks Have a Permanent Effect on Inflation: The Case of Denmark, Sweden, and Norway

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Unit Root, Inflation, Shocks


The aim of this study is to reveal whether the inflation series (calculated separately for Denmark, Sweden, and Norway) is permanently affected by shocks. Depending on data availability, the analysis period covers the period 1968–2022 for Denmark, the period 1956–2022 for Sweden, and the period 1951–2022 for Norway. Annual inflation data were taken into account in the study. The reason for choosing annual inflation data is to avoid seasonal effects. For the Norwegian inflation data, the result of the unit root test proposed by Dickey and Fuller (1979) was taken into account. For Swedish inflation data, the result of the stationarity test suggested by Carrion-i-Silvestre and Sansó (2007) was taken into account. The unit root test recommended by Kapetanios et al. (2003), the unit root test proposed by Kruse (2011), and the unit root test suggested by Güriş and Güriş (2022) were applied to the inflation data of Denmark. As a result of the empirical analysis, it can be said that the inflation series calculated separately for Denmark and Norway is not permanently affected by the shocks (it does not contain a unit root). If structural breaks are taken into account, it can also be stated that the Swedish inflation series does not contain a unit root. Based on the findings, it is recommended that no interventions be made to reduce the impact of minor shocks on inflation in Denmark, Sweden, and Norway.


Arize, A. C. and Malindretos, J. (2012). Nonstationarity and Nonlinearity in Inflation Rate: Some Further Evidence. International Review of Economics & Finance, 24, 224–234. https://doi.org/10.1016/j.iref.2012.02.002.

Bolat, S., Tiwari, A. K., and Kyophilavong, P. (2017). Testing the Inflation Rates in MENA Countries: Evidence from Quantile Regression Approach and Seasonal Unit Root Test. Research in International Business and Finance, 42, 1089–1095. https://doi.org/10.1016/j.ribaf.2017.07.043.

Boyd, J. H., Levine, R., and Smith, B. D. (2001). The Impact of Inflation on Financial Sector Performance. Journal of Monetary Economics, 47(2), 221–248. https://doi.org/10.1016/S0304-3932(01)00049-6.

Burdekin, R. C. K., Goodwin, T., Salamun, S., and Willett, T. D. (1994). The Effects of Inflation on Economic Growth in Industrial and Developing Countries: Is There a Difference?. Applied Economics Letters, 1(10), 175–177. https://doi.org/10.1080/135048594357952.

Caporale, T. and Paxton, J. (2011). From Debt Crisis to Tequila Crisis: Inflation Stationarity Through Mexico's Turbulent Decades. Applied Economics Letters, 18(16), 1609–1612. https://doi.org/10.1080/13504851.2011.554365.

Carlsen, F. (2000). Unemployment, Inflation and Government Popularity—Are There Partisan Effects?. Electoral Studies, 19(2–3), 141–150. https://doi.org/10.1016/S0261-3794(99)00044-X.

Carrion-i-Silvestre, J. L. and Sansó, A. (2005). The KPSS Test with Two Structural Breaks. https://www.researchgate.net/profile/AndreuSanso/publication/24064952_The_KPSS_test_with_two_structural_breaks/links/09e4150cae2d27831a000000/The-KPSS-test-with-two-structural-breaks.pdf (Erişim Tarihi: 28.07.2023).

Carrion-i-Silvestre, J. L. and Sansó, A. (2007). The KPSS Test with Two Structural Breaks. Spanish Economic Review, 9(2), 105–127. https://doi.org/10.1007/s10108-006-9017-8.

Chang, T., Ranjbar, O., and Tang, D. P. (2013). Revisiting the Mean Reversion of Inflation Rates for 22 OECD Countries. Economic Modelling, 30, 245–252. https://doi.org/10.1016/j.econmod.2012.09.018.

Cuestas, J. C. and Harrison, B. (2010). Inflation Persistence and Nonlinearities in Central and Eastern European Countries. Economics Letters, 106(2), 81–83. https://doi.org/10.1016/j.econlet.2009.10.006.

Culver, S. E. and Papell, D. H. (1997a). Is There a Unit Root in the Inflation Rate? Evidence from Sequential Break and Panel Data Models. Journal of Applied Econometrics, 12(4), 435–444. https://doi.org/10.1002/(SICI)1099-1255(199707)12:4<435::AID-JAE430>3.0.CO;2-1.

Culver, S. and Papell, D. H. (1997b). Is There a Unit Root In the Inflation Rate? Evidence from Sequential Break and Panel Data Models. I. Versiyon. Journal of Applied Econometrics (Veri Seti). Erişim Adresi: https://doi.org/10.15456/jae.2022313.1256740089 (Erişim Tarihi: 29.07.2023).

Dickey, D. A. and Fuller, W. A. (1979). Distribution of the Estimators for Autoregressive Time Series with a Unit Root. Journal of the American Statistical Association, 74(366a), 427–431. https://doi.org/10.1080/01621459.1979.10482531.

Dornbusch, R. (1976). Expectations and Exchange Rate Dynamics. Journal of Political Economy, 84(6), 1161–1176. https://doi.org/10.1086/260506.

Eichhorst, W., Thode, E., and Winter, F. (2004). Benchmarking Deutschland 2004: Arbeitsmarkt und Beschäftigung Bericht der Bertelsmann Stiftung. Springer-Verlag, Berlin, Heidelberg.

Elliott, G., Rothenberg, T. J., and Stock, J. H. (1996). Efficient Tests for an Autoregressive Unit Root. Econometrica, 64(4), 813–836. https://doi.org/10.2307/2171846.

Güriş, S. and Güriş, B. (2022). GLS Detrending in Nonlinear Unit Root Test. Communications in Statistics-Simulation and Computation, 51(3), 1096–1102. https://doi.org/10.1080/03610918.2019.1662442.

Harvey, D. I., Leybourne, S. J., and Xiao, B. (2008). A Powerful Test for Linearity when the Order of Integration is Unknown. Studies in Nonlinear Dynamics & Econometrics, 12(3). https://doi.org/10.2202/1558-3708.1582.

Heyert, A. and Weill, L. (2023). Never Forget, Never Forgive: The Impact of Inflation on Trust in Banks. Applied Economics. https://doi.org/10.1080/00036846.2023.2210829.

International Monetary Fund (2023). International Financial Statistics (Veri Tabanı). Erişim Adresi: https://data.imf.org/?sk=4c514d48-b6ba-49ed-8ab9-52b0c1a0179b&sid=1390030341854 (Erişim Tarihi: 27.07.2023).

Kapetanios, G., Shin, Y., and Snell, A. (2003). Testing for a Unit Root in the Nonlinear STAR Framework. Journal of Econometrics, 112(2), 359–379. https://doi.org/10.1016/S0304-4076(02)00202-6.

Kim, D. H. and Lin, S. C. (2023). Income Inequality, Inflation and Financial Development. Journal of Empirical Finance, 72, 468–487. https://doi.org/10.1016/j.jempfin.2023.04.008.

Kruse, R. (2011). A New Unit Root Test Against ESTAR Based on a Class of Modified Statistics. Statistical Papers, 52(1), 71–85. https://doi.org/10.1007/s00362-009-0204-1.

Lai, K. S. (1997). On the Disparate Evidence on Trend Stationarity in Inflation Rates: A Reappraisal. Applied Economics Letters, 4(5), 305–309. https://doi.org/10.1080/758532598.

Lee, C. F. and Tsong, C. C. (2009). Bootstrapping Covariate Stationarity Tests for Inflation Rates. Economic Modelling, 26(6), 1443–1448. https://doi.org/10.1016/j.econmod.2009.07.017.

Lee, C. F. and Tsong, C. C. (2012). Bootstrapping Covariate Unit Root Tests: An Application to Inflation Rates. Bulletin of Economic Research, 65(s1), s165–s174. https://doi.org/10.1111/j.1467-8586.2012.00437.x.

Lee, H. Y. and Wu, J. L. (2001). Mean Reversion of Inflation Rates: Evidence from 13 OECD Countries. Journal of Macroeconomics, 23(3), 477–487. https://doi.org/10.1016/S0164-0704(01)00174-4.

Mandeya, S. M. T. and Ho, S. Y. (2021). Inflation, Inflation Uncertainty and the Economic Growth Nexus: An Impact Study of South Africa. MethodsX, 8. https://doi.org/10.1016/j.mex.2021.101501.

Mogensen, K. (2013). Visualizing a Mass Murder: The Portraits of Anders Bering Breivik in Danish National Dailies. Journal of Mass Media Ethics, 28(1), 64–67. https://doi.org/10.1080/08900523.2013.755083.

Mohseni, M. and Jouzaryan, F. (2016). Examining the Effects of Inflation and Unemployment on Economic Growth in Iran (1996–2012). Procedia Economics and Finance, 36, 381–389. https://doi.org/10.1016/S2212-5671(16)30050-8.

Narayan, P. K. (2014). Response of Inflation to Shocks: New Evidence from Sub-Saharan African Countries. Economic Modelling, 36, 378–382. https://doi.org/10.1016/j.econmod.2013.10.016.

Obradović, S. and Lojanica, N. (2022). Are Inflation Rates Stationary in the Western Balkan Countries? Evidence from Unit Root Tests. Politická Ekonomie, 70(4), 421–439. https://doi.org/10.18267/j.polek.1362.

Österholm, P. (2004). Killing Four Unit Root Birds in the US Economy with Three Panel Unit Root Test Stones. Applied Economics Letters, 11(4), 213–216. https://doi.org/10.1080/13504850410001674821.

Poddig, T., Dichtl, H., and Petersmeier, K. (2008). Statistik, Ökonometrie, Optimierung: Methoden und ihre praktischen Anwendungen in Finanzanalyse und Portfoliomanagement. Uhlenbruch Verlag, Bad Soden/Ts.

Romero-Ávila, D. and Usabiaga, C. (2009). The Hypothesis of a Unit Root in OECD Inflation Revisited. Journal of Economics and Business, 61(2), 153–161. https://doi.org/10.1016/j.jeconbus.2008.02.001.

Schira, J. (2021). Statistische Methoden der VWL und BWL: Theorie und Praxis. Pearson Deutschland, München.

Si, D. K. and Li, X. L. (2018). Mean Reversion of Inflation Rates in Seven Eastern European Countries: An Application of a Fourier Quantile Unit Root Test. The Journal of International Trade & Economic Development, 27(2), 145–167. https://doi.org/10.1080/09638199.2017.1350200.

Tsong, C. C. and Lee, C. F. (2010). Testing for Stationarity of Inflation Rates with Covariates. South African Journal of Economics, 78(4), 344–362. https://doi.org/10.1111/j.1813-6982.2010.01251.x.

Tsong, C. C. and Lee, C. F. (2011). Asymmetric Inflation Dynamics: Evidence from Quantile Regression Analysis. Journal of Macroeconomics, 33(4), 668–680. https://doi.org/10.1016/j.jmacro.2011.08.003.

Tsong, C. C., Lee, C. F., and Lee, C. C. (2012). A Revisit to the Stationarity of OECD Inflation: Evidence from Panel Unit-Root Tests and the Covariate Point Optimal Test. The Japanese Economic Review, 63(3), 380–396. https://doi.org/10.1111/j.1468-5876.2012.00560.x.

Winker, P. (2017). Empirische Wirtschaftsforschung und Ökonometrie. Springer-Verlag, Berlin.

Yoon, G. (2003). The Time Series Behaviour of Brazilian Inflation Rate: New Evidence from Unit Root Tests with Good Size and Power.

Applied Economics Letters, 10(10), 627–631. https://doi.org/10.1080/1350485032000133309.



How to Cite

Erdoğmuş, M. (2023). A Study on Whether Shocks Have a Permanent Effect on Inflation: The Case of Denmark, Sweden, and Norway. Journal of Academic Opinion, 3(2), 56–64. https://doi.org/10.5281/zenodo.10444377