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Explaining the dynamics of exchange rate volatility

Tjerneld, Jacob LU and Lööw, Hampus LU (2022) NEKN01 20221
Department of Economics
Abstract
This research examines the volatility of the Swedish krona in regards to the Euro and US-dollar exchange rate, using both daily and monthly data ranging from the beginning of 2000 until 2022. Using this time span allows us to update previous literature on exchange rate volatility, and also incorporates recent economic events such as the great financial crisis of 2008, the 2020 covid-pandemic and the geopolitical uncertainty in Europe following Russia's invasion of Ukraine. In order to model the volatility of the exchange rate, Generalized Auto Regressive Conditional Heteroskedasticity (GARCH) models are used in order to account for dependencies in the error term. The research also incorporates Exponential GARCH (EGARCH) models that allow... (More)
This research examines the volatility of the Swedish krona in regards to the Euro and US-dollar exchange rate, using both daily and monthly data ranging from the beginning of 2000 until 2022. Using this time span allows us to update previous literature on exchange rate volatility, and also incorporates recent economic events such as the great financial crisis of 2008, the 2020 covid-pandemic and the geopolitical uncertainty in Europe following Russia's invasion of Ukraine. In order to model the volatility of the exchange rate, Generalized Auto Regressive Conditional Heteroskedasticity (GARCH) models are used in order to account for dependencies in the error term. The research also incorporates Exponential GARCH (EGARCH) models that allow for the effect of positive and negative developments in the return of the exchange rate impacting volatility differently (Positive price shocks affect the volatility differently compared to negative). We extend the ARCH and GARCH models with explanatory variables that are grounded in previous literature as well as economic theory. The daily variables used in this paper are the volatility index, financial condition index, a proxy for hedge-fund positioning, a constructed news proxy and also controlled for the rate of return of the EUR/USD exchange rate. Over a monthly basis, we study the monetary aggregates of the US, Eurozone, and Sweden in addition to inflation and the Bloomberg economic sentiment index.

This paper finds that there are several ARCH, GARCH, and E-GARCH effects present in the exchange rate volatility for both EUR/SEK and USD/SEK for both frequencies, suggesting that negative and positive price developments affect the volatility differently and that the exchange rates exhibit conditional heteroskedasticity. In terms of explanatory long-run variables we find a significant positive relationship between monthly US monetary policy and a proxy for overall market sentiment to affect exchange rate volatility. For the daily frequency, this paper finds a strong negative relationship between EUR/USD return and volatility for both EUR/SEK and USD/SEK. (Less)
Please use this url to cite or link to this publication:
author
Tjerneld, Jacob LU and Lööw, Hampus LU
supervisor
organization
course
NEKN01 20221
year
type
H1 - Master's Degree (One Year)
subject
keywords
Exchange Rates, Volatility, GARCH, Heteroskedasticity, Time Series Analysis.
language
English
id
9085113
date added to LUP
2022-10-10 09:25:11
date last changed
2022-10-10 09:25:11
@misc{9085113,
  abstract     = {{This research examines the volatility of the Swedish krona in regards to the Euro and US-dollar exchange rate, using both daily and monthly data ranging from the beginning of 2000 until 2022. Using this time span allows us to update previous literature on exchange rate volatility, and also incorporates recent economic events such as the great financial crisis of 2008, the 2020 covid-pandemic and the geopolitical uncertainty in Europe following Russia's invasion of Ukraine. In order to model the volatility of the exchange rate, Generalized Auto Regressive Conditional Heteroskedasticity (GARCH) models are used in order to account for dependencies in the error term. The research also incorporates Exponential GARCH (EGARCH) models that allow for the effect of positive and negative developments in the return of the exchange rate impacting volatility differently (Positive price shocks affect the volatility differently compared to negative). We extend the ARCH and GARCH models with explanatory variables that are grounded in previous literature as well as economic theory. The daily variables used in this paper are the volatility index, financial condition index, a proxy for hedge-fund positioning, a constructed news proxy and also controlled for the rate of return of the EUR/USD exchange rate. Over a monthly basis, we study the monetary aggregates of the US, Eurozone, and Sweden in addition to inflation and the Bloomberg economic sentiment index.
 
This paper finds that there are several ARCH, GARCH, and E-GARCH effects present in the exchange rate volatility for both EUR/SEK and USD/SEK for both frequencies, suggesting that negative and positive price developments affect the volatility differently and that the exchange rates exhibit conditional heteroskedasticity. In terms of explanatory long-run variables we find a significant positive relationship between monthly US monetary policy and a proxy for overall market sentiment to affect exchange rate volatility. For the daily frequency, this paper finds a strong negative relationship between EUR/USD return and volatility for both EUR/SEK and USD/SEK.}},
  author       = {{Tjerneld, Jacob and Lööw, Hampus}},
  language     = {{eng}},
  note         = {{Student Paper}},
  title        = {{Explaining the dynamics of exchange rate volatility}},
  year         = {{2022}},
}