Foreign Exchange Rate Sensitivity and Stock Price

Topics: Foreign exchange market, Exchange rate, Currency Pages: 5 (1691 words) Published: December 13, 2007

Variability in exchange rate is a major source of macroeconomic uncertainity affecting firms. After the 1970's, the rapid expansion in international trade and adoption of floating exchange rate regimes by many countries led to increase exchange rate volatility. The firm's exposure to exchange rate risk increased. In the literature three types of exposure under floating exchange rate regimes are identified; economic, translation and transaction. Translation and transaction exposures are accounting based and defined in terms of the book values of assets and liabilities denominated in foreign currency. Economic exposure is the sensitivity of company value to exchange rate movements. At the corporate level, changes in exchange rates affect the firm value, because future cash flows of the firm will change with exchange rate fluctuations. In other words, exchange rate changes have important implications for financial decision-making and for firm profitability. Adler and Dumas (1984) show that even firms whose entire operations are domestic may be affected by exchange rates, if their input and output prices are influenced by currency movements. It is widely believed that changing exchange rates affect the competitiveness of firms engaged in international competition. A falling home currency promotes the competitiveness of firms in home country by allowing them to undercut prices charged for goods manufactured abroad (Luehrman, 1991). Many simple partial equilibrium models (e.g. Shapiro) predict an increase in the value of the home country firm in response to a real drop in the value of the home currency. Economic theory suggests that under a floating exchange rate regime, exchange rate appreciation reduces the competitiveness of export markets; it has a negative effect on the domestic stock market. Conversely, if the country is import denominated, exchange rate appreciation may have positive affect on the stock market by lowerings input costs. The estimation of exchange rate exposure is a relatively new area in international finance. After 1973, managers and economists become more concerned about the exchange rate fluctuations on firms. Also, for the past decade, researchers have been emprically investigating the exchange rate exposure of the firms. Following Adler & Dumas (1984) most of the research measures the exposure as the elasticity between change in firm value and exchange rate. Emprically, this exposure elasticiy is obtained from a regression of stock returns on an exchange rate change (Bodnar & Wong, 2000). Turkey's exchange and trade system have been liberaliazed extensively since 1980's. Turkey now follows a floating exchange rate policy. In recent years Turkish economy has been suffered from economic crises. Volatility in foreign exchange rate and deviation from purchasing power parity became persistent in the economy. The firms operating in Turkey are affected in many ways from these economic conditions. The firms have faced higher business risk and foreign exchange risk. In this study, we aim to measure foreign exchange exposure of Turkish companies especially for last 3 years. We estimated the exchange rate sensitivity of equity returns of exporter and non-exporter companies by individual level. This study is organized as follows: the first section is a literature review. The model, data and methodology are presented in the second section. Analysis results are interpreted in the third section. The last section presents conclusion. LITERATURE REVIEW

In economic analysis it is suggested that firm value is related to exchange rate movements. Shapiro (1975) predicted an increase in the value of home country firm with a depreciation of home country currency. Adler and Dumas (1984) stated that even firms, which operate in domestic markets, might be affected by exchange rate movements. Luetherman (1991)...
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