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The time-varying correlation between popular narratives and TRY/USD FX rate: Evidence from a DCC-GARCH model

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  • Kazım Berk Küçüklerli
  • Veysel Ulusoy

Abstract

Understanding the effects of people's interactions on social media on economic fluctuations is essential for analyzing economic dynamics and making predictions. ‘Time-varying’ and ‘time-scale dependent’ volatilities between tweets sent from Turkey containing the terms "economic crisis", "inflation", "unemployment", "economic recession", "#dolar" (also their lagged series), and TL/USD FX rate was examined with dynamic conditional correlation (DCC) GARCH model. 7.402.035 Tweet data were used for the study, and their count was averaged between the dates 01.10.2020 and 11.03.2022, and a time series of 15, 30 and 60 minutes was obtained. These series of tweets were compared with the USD/TL FX rate data for the same periods. The results show that examining -delayed relationships of up to 10 lags- 6th and 10th lag of 60 min frequency Twitter data have high level of conditional correlations with TL/USD FX rate. However, except for these series 12 of that is not dynamic but a CC process and for 105 series are statistically not significant to explain CC and DCC relationship.  JEL classification numbers: G12, G17, G41.

Suggested Citation

  • Kazım Berk Küçüklerli & Veysel Ulusoy, 2023. "The time-varying correlation between popular narratives and TRY/USD FX rate: Evidence from a DCC-GARCH model," Journal of Applied Finance & Banking, SCIENPRESS Ltd, vol. 13(4), pages 1-3.
    • Handle: RePEc:spt:apfiba:v:13:y:2023:i:4:f:13_4_3
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    References listed on IDEAS

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    More about this item

    Keywords

    Twitter narratives; DCC-GARCH; USD/TL FX rate; narrative economics.;
    All these keywords.

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation
    • G41 - Financial Economics - - Behavioral Finance - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making in Financial Markets

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