Macro-News Impact on Exchange Rates Evidence from high-frequency EUR/RON and EUR/USD dynamics MSc Student: Maria-Magdalena Stoica Supervisor: Professor.

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Macro-News Impact on Exchange Rates Evidence from high-frequency EUR/RON and EUR/USD dynamics MSc Student: Maria-Magdalena Stoica Supervisor: Professor PhD. Moisă Altăr

Topics of the paper 1. Importance of the theme 2. Exchange rates link to fundamentals (Brief literature review) 3. Objectives of the paper 4. Theoretical considerations 5. Model 6. Data construction and analysis 7. Empirical estimation & Results 8. Conclusions 9. Future Research 10. References

1. Importance of the theme Proof that exchange rates are linked to fundamentals (long lasting puzzle in International Economics) Understanding the underlying determinants of exchange rates is important for further understanding and f’casting the impact of exchange rates on macro variables (e.g. inflation – pass through) Provides inside in trading the macro-news arrival on the EUR/RON market

2. Exchange rates link to fundamentals (Brief literature review) International economics puzzle: difficulty of tying floating exchange rates to macroeconomic fundamentals “Efficient markets” theory suggests that asset price should completely and instantaneously reflect movements in underlying fundamentals Meese and Rogoff (1983): fundamental variables do not help predict future changes in exchange rates Engle and West (2004): exchange rates manifests near random walk behavior, in a rational expectations present value model Andersen, Bollerslev, Diebold and Vega (2002): high-frequency exchange rate dynamics are linked to fundamentals

3. Objectives of the paper Explore the link between exchange rates and fundamentals and news about fundamentals using high-frequency EUR/RON data Study determinants of high-frequency EUR/RON movements Study the response of EUR/RON pair to macro-economic news (conditional mean jumps) Study how news about fundamentals is incorporated by EUR/RON (quick adjustment of returns) Study EUR/RON volatility adjustment to macro-news

4. Theoretical considerations Exchange rate models (since 1970): nominal exchange rates are asset price, thus influenced by expectation about the future Frenkel & Mussa (1985):...”exchange rates should be viewed as prices of durable assets, determined in organized markets, in which current prices reflect market’s expectations concerning present and future economic conditions relevant for determining the appropriate values of these durable assets and in which […] price changes reflect primarily new information that alters expectations concerning these present and future economic conditions” “Asset-market approach to exchange rates”: exchange rate is driven by a present discounted sum of expected future fundamentals

4. Theoretical considerations Obstfeld & Rogoff (1996): “the nominal exchange rate must be viewed as an asset price, depending on expectations of future variables ” The “no-bubble” solution of the model is :

5. The model - equations Following Andersen, Bollerslev, Diebold & Vega, we use a model that allows for news affecting both the conditional mean and conditional variance: Mean model: we allow for the disturbance term to be heteroskedastic -> 15-minute spot exchange rate return -> k-type news Volatility model: proxies for the volatility in 15-min interval t ->volatility over the day containing the 15-minute interval in question (estimated using GARCH) ->calendar effect pattern (FFF – capture the high-frequency rhythm of deviations of intra-day volatility from daily average)

5. The model – about variables ->standardized ”news” quantifies the deviation of the announcement relative to what the market expected (facilitates meaningful comparison of response of the pair to different pieces of news) ->announced value of fundamental indicator k ->market expected value for indicator k (Bloomberg survey median forecast – ECO: calendar of economic releases including surveys ) ->sample standard deviation of Contemporaneous Exchange Rate News Response Model

5. The model – about the “news” There is the possibility that the market expectation may not capture all info available immediately before the announcement, namely ECO f’cast may be stale Balduzzi, Elton and Green (1998): most of market expectations contain information, which is unbiased and does not appear significantly stale ->actual announcement ->market consensus -> insignificant => survey information is unbiased ->change in (very announcement sensitive) 10-yr note yield from the time of the survey to announcement -> positive and significant (there is info in survey) and insignificantly different from unity -> the hypothesis that this coefficient = 0 cannot be rejected =>market consensus is not stale

6. Data construction and analysis - 15-minute EUR/RON returns - 15-minute EUR/RON logarithmic returns: The return series was constructed from Reuters tick-by-tick (30.000) records of EUR/RON quotes over 19 th Sep 2008 to 15 th April 2009 time span: - At the end of each 15-minute interval we used the immediately preceding and following quote to generate the relevant quote (the quotes were weighted by their inverse relative distance to the endpoint); - We kept the days with at least 8 trading hours; - We maintained a fixed number of return per trading day, ending up with: 119 days x minute interval = returns -Volatility clusters indicating periodical intraday volatility

6. Data construction and analysis - macro announcements- Macro-news data series – constructed from realized and expected macroeconomic fundamentals (Bloomberg ECO) The macro-news series are similar to a dummy variable, with the “standardized news” replacing the 1 terms (different importance of the macro- news as per the magnitude of the difference between realizations and expectations) News for US, Euro-Zone and Romania: 35 “news” categories US and Euro-Zone announcements time are known in advance For Romania not all the timing of the announcements are known in advance No expectations for some of the Romanian fundamentals: use of dummies Matched “news” with return data, by placing the “standardized news” to the relevant return

6. Data construction and analysis - basic statistics - Negligible mean Approximately symmetric, but definitely non-Gaussian, due to excess kurtosis MeanSt. DeviationSkewnessKurtosis EUR/RON2.76E

5. Data construction and analysis - basic statistics - The raw returns display tiny, but statistically significant serial correlation The absolute returns exhibit strong serial correlation Testing for Unit Root – neither of the variables have a unit root

7. Empirical estimation & Results - the mean model for EUR/RON - VariableCoefficientStd. Errort-StatisticProb. RAND(-1) RAND(-2) BNR US_CONS_CONFID US_RET_SALES US_CAP_UTIL VariableCoefficientStd. Errort-StatisticProb. RAND(-1) RAND(-2) BNR US_CONS_CONFID US_RET_SALES US_CAP_UTIL OLS Estimation A/C and heteroskedastic errors (used in the volatility model) R-squared ~ 2% (only half of the days in the sample contain a news announcement and each day has min intervals, which corresponds to ~2% of the sample) HAC Estimation All news coefficients remain significant News incorporating info about state of US economy are significant (natural in the current economic environment – focus on growth) Contemporaneous news are significant The exchange rate adjusts to news immediately EUR/RON pair is determined by news about fundamentals It is important the overall risk aversion

7. Empirical estimation & Results - the mean model for EUR/RON - Identifying and introducing more “news” in the model would probably increase fit

7. Empirical estimation & Results - contemporaneous exchange rate news response model - NewsCoefficientR-squared Retail sales ** Capacity utilization ** Consumer Confidence Index * When focusing only on the importance of the news during announcement periods we obtain significantly larger R-squared Only the news exerting significant influence in model (1) remain significant The news fount not significant with model (1) remain insignificant

7. Empirical estimation & results - volatility model - ->volatility over the day containing the 15-minute interval in question ->one-day ahead volatility forecast for day t that contains the 15-minute interval in question ->extracted from a GARCH(1,1) with an AR term (daily returns over 12/27/2005 – 4/14/2009) The GARCH model ->mean equation ->variance equation Constraints: ω > 0 and α+β<1

7. Empirical estimation & results - volatility model - We impose polynomial structure on the response patters associated with (Polynomial specifications allow for tractability & flexibility. Using PDL we can ensure that the response patterns are completely determined by the response horizon J”, the polynomial order P, and the endpoints constraint imposed on p(J”), p(0)) If an NBR intervention affects volatility from time to time we can represent the impact over the vent window by a polynomial specification (PDL): (Weierstrass Theorem) We can further write: Defining: we may write: We take J’’=8, P=4 and p(8)=0 and P(0)=0 for NBR

7. Empirical estimation & results - volatility model - AR(1) - GARCH(1,1) output CoefficientStd. Errorz-StatisticProb. C AR(1) Variance Equation C5.35E E ARCH(1) GARCH(1) The sum of the ARCH and GARCH coefficients is very close to one, indicating that volatility shocks are quite persistent.

7. Empirical estimation & Results - volatility model - Exchange rate volatility adjusts gradually, with complete adjustment after about one hour News that are not significant for the mean model, affect the volatility (confusion in the market given the current macroeconomic environment)

8. Conclusions News produce very quick conditional mean jumps to EUR/RON pair The exchange rate adjusts to news immediately: contemporaneous news are statistical significant in the mean model News incorporating info about state of US economy are significant (natural in the current economic environment – focus on growth) Favorable US “growth news” tends to produce RON appreciation (risk aversion improves, buy RON vs. EUR ) Exchange rate volatility adjusts gradually, with complete adjustment after about one hour (news up to lag 4 are significant/ up to lag 8 for NBR) News that are not significant for the mean model, affect the volatility (confusion in the market given the current macroeconomic environment)

9. Future Research Asymmetric response of exchange rates to news Order flow implication in news transmission to exchange rates (Is news affecting exchange rates via order flow?) Explore not only the effects of regularly-scheduled quantitative news on macroeconomic fundamentals, but also the effects of irregular news Analysis of joint responses of FX, stock market and bond market to news

10. References Anderesen, G., T., T. Bollerslev, X. Diebold and C. Vega (2005), “Real-Time Price Discovery in Stock, Bond and Foreign Exchange Markets”, National Bureau of Economic Research Working Papers, Anderesen, G., T., T. Bollerslev, X. Diebold and C. Vega (2002), “Micro Effects of Macro Announcements: Real- Time Price Ddiscovery in Foreign Exchange", NBER Working Papers, 8959 Cai F., H. Joo, and Z. Zhang (2009) “The Impact of Macroeconomic Announcements on Real Time Foreign Exchange Rates in Emerging Markets”, Board of Governors of Federal Reserve System, International Finance Discussion Paper, No. 973 Anderesen, G., T., and T. Bollerslev (1996), “DM-Dollar Volatility: Intraday Activity Patterns, Macroeconomic Announcements, and Longer Run Dependencies”, National Bureau of Economic Research Working Papers, 5783 Engel, C., N. Mark, and K. D. West (2007), “Exchange Rate Models Are Not as Bad as You Think”, National Bureau of Economic Research Working Papers, Engel, and K. D. West (2004), “Exchange Rates and Fundamentals”, National Bureau of Economic Research Working Papers, Laakkonen, H., “The Impact of Macroeconomic News on Exchange Rate Volatility” (2007), Finnish Economic Papers Evans, M., D., D., and R. K. Lyons (2005), “Do Currency Markets Absorb News Quickly”, National Bureau of Economic Research Working Papers, Evans, M., D., D., and R. K. Lyons (2003), “How is Macro News Transmitted to Exchange Rates”, National Bureau of Economic Research Working Papers, 9433 Dominguez, K., and F. Panthaki (2005), “What Defines ‘News’ in Foreign Exchange Markets?”, National Bureau of Economic Research Working Papers, Laakkonen, H., and M. Lanne (2008), “Asymetris News Effects on Volatility: Good vs. Bad News in Good vs. Bad Times”, Helsinki Center of Economic Research, Discussion Paper No. 207