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A novel index of macroeconomic uncertainty for Turkey based on Google-Trends

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  • Bilgin, Mehmet Huseyin
  • Demir, Ender
  • Gozgor, Giray
  • Karabulut, Gokhan
  • Kaya, Huseyin

Abstract

This paper aims to measure the level of economic and financial uncertainty in Turkey. The measure used is based on an internet search-based strategy and develops the ‘Turkish Economic and Financial Uncertainty Index’ (TEFUI). Based on the real-time monthly Google Trends data for the period from January 2004 to December 2018, our illustration suggests that TEFUI performs significantly well to predict various indicators of the Turkish economy as well as global uncertainty. To check the relative performance of the measure, we also contrast our index, which uses Turkey economy specific words and phrases, with an index generated for another country, e.g., the U.S. Based on correlation analysis and a comprehensive VAR analysis, our results suggest TEFUI successfully capture uncertainty in Turkey.

Suggested Citation

  • Bilgin, Mehmet Huseyin & Demir, Ender & Gozgor, Giray & Karabulut, Gokhan & Kaya, Huseyin, 2019. "A novel index of macroeconomic uncertainty for Turkey based on Google-Trends," Economics Letters, Elsevier, vol. 184(C).
    • Handle: RePEc:eee:ecolet:v:184:y:2019:i:c:s0165176519302964
    DOI: 10.1016/j.econlet.2019.108601
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    References listed on IDEAS

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    1. Castelnuovo, Efrem & Tran, Trung Duc, 2017. "Google It Up! A Google Trends-based Uncertainty index for the United States and Australia," Economics Letters, Elsevier, vol. 161(C), pages 149-153.
    2. Fraiberger, Samuel P. & Lee, Do & Puy, Damien & Ranciere, Romain, 2021. "Media sentiment and international asset prices," Journal of International Economics, Elsevier, vol. 133(C).
    3. Scott R. Baker & Nicholas Bloom & Steven J. Davis, 2016. "Measuring Economic Policy Uncertainty," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 131(4), pages 1593-1636.
    4. Donadelli, Michael & Gerotto, Luca, 2019. "Non-macro-based Google searches, uncertainty, and real economic activity," Research in International Business and Finance, Elsevier, vol. 48(C), pages 111-142.
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    Cited by:

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    3. Diana Petrova & Pavel Trunin, 2023. "Estimation of Economic Policy Uncertainty," Russian Journal of Money and Finance, Bank of Russia, vol. 82(3), pages 48-61, September.
    4. Michele Costola & Michael Donadelli & Luca Gerotto & Ivan Gufler, 2022. "Global risks, the macroeconomy, and asset prices," Empirical Economics, Springer, vol. 63(5), pages 2357-2388, November.
    5. Puhr, Harald & Müllner, Jakob, 2024. "Vox populi, vox dei: A concept and measure for grassroots socio-political risk using Google Trends," Journal of International Management, Elsevier, vol. 30(2).
    6. Szczygielski, Jan Jakub & Charteris, Ailie & Bwanya, Princess Rutendo & Brzeszczyński, Janusz, 2024. "Google search trends and stock markets: Sentiment, attention or uncertainty?," International Review of Financial Analysis, Elsevier, vol. 91(C).
    7. Siphumlile Mangisa & Sonali Das & Rangan Gupta, 2022. "Analyzing The Impact Of Brexit On Global Uncertainty Using Functional Linear Regression With Point Of Impact: The Role Of Currency And Equity Markets," The Singapore Economic Review (SER), World Scientific Publishing Co. Pte. Ltd., vol. 67(04), pages 1377-1388, June.
    8. Szczygielski, Jan Jakub & Charteris, Ailie & Bwanya, Princess Rutendo & Brzeszczyński, Janusz, 2023. "Which COVID-19 information really impacts stock markets?," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 84(C).
    9. Joscha Beckmann & Robert L. Czudaj, 2023. "The role of expectations for currency crisis dynamics—The case of the Turkish lira," Journal of Forecasting, John Wiley & Sons, Ltd., vol. 42(3), pages 625-642, April.
    10. Donadelli, Michael & Gufler, Ivan & Pellizzari, Paolo, 2020. "The macro and asset pricing implications of rising Italian uncertainty: Evidence from a novel news-based macroeconomic policy uncertainty index," Economics Letters, Elsevier, vol. 197(C).
    11. Giray Gozgor, 2022. "The role of economic uncertainty in the rise of EU populism," Public Choice, Springer, vol. 190(1), pages 229-246, January.
    12. Ademmer, Martin & Beckmann, Joscha & Bode, Eckhardt & Boysen-Hogrefe, Jens & Funke, Manuel & Hauber, Philipp & Heidland, Tobias & Hinz, Julian & Jannsen, Nils & Kooths, Stefan & Söder, Mareike & Stame, 2021. "Big Data in der makroökonomischen Analyse," Kieler Beiträge zur Wirtschaftspolitik 32, Kiel Institute for the World Economy (IfW Kiel).
    13. Batten, Jonathan A. & Bilgin, Mehmet Huseyin & Demir, Ender & Gozgor, Giray, 2023. "Does globalization affect credit market controls?," International Review of Economics & Finance, Elsevier, vol. 85(C), pages 21-43.
    14. Spyridon Boikos & Eirini Makantasi & Theodore Panagiotidis, 2023. "Macroeconomic Uncertainty Indices for European Countries," Notas Económicas, Faculty of Economics, University of Coimbra, issue 57, pages 7-56, December.
    15. Lee, Kiryoung & Choi, Eunseon & Kim, Minki, 2023. "Twitter-based Chinese economic policy uncertainty," Finance Research Letters, Elsevier, vol. 53(C).

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    More about this item

    Keywords

    Search-based indices; Economic and financial uncertainty; Turkey; Google Trends;
    All these keywords.

    JEL classification:

    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models

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