Academic journal article Journal of International Business Research

Asean 5 Stock Markets, Currency Risk and Volatility Spillover

Academic journal article Journal of International Business Research

Asean 5 Stock Markets, Currency Risk and Volatility Spillover

Article excerpt


The research employs GARCH to test for cross country mean and volatility transmission among the ASEAN 5 (Philippines, Indonesia, Thailand, Malaysia, Singapore) stock and foreign currency markets, and possible spillovers. Daily stock returns of the stock exchange indices and foreign exchange rates of each country were used. The foreign exchange rate was pegged to the US dollar. The research paper shows how the stock exchange affect the foreign exchange market and draws conclusions for possible regional volatility spillovers, and the transmission of shocks from external stock and foreign exchange markets among the ASEAN5.


Generally, volatility spillover occurs when changes in price volatility in one market create a lagged impact in other markets. When applied to currencies and stock markets, volatility spillover occurs when changes in foreign currency markets affect stock markets, over and above local effects. As several European and Asian countries consider the benefits of joining the Eurozone and ASEAN, respectively, the impact of volatility transmissions and spillovers raises key financial and policy questions that need to be further studied. From a business perspective, the prevalence of volatility spillovers can guide multinational corporations in managing their currency risk and exposure in these countries, a key element in their international diversification efforts. (Kanas, 2000).

This research investigates the interdependence of stock returns and exchange rate changes in the ASEAN5 countries. The countries included are the Philippines, Singapore, Malaysia, Thailand and Indonesia for the period January 4, 2000 to December 3 1, 2010. This study will also examine if there are volatility spillovers from stock returns to exchange rate changes present in each country and the ASE AN5.


The Nature of Volatility Transmission and Volatility Spillover

Two approaches provide the possible link between exchange rates to the other economic and financial sectors. The first, so-called "flow model" looks at the impact of exchange rates on the balance of trade, such as those studied by Mundell in 1963 and by Dornbusch and Fisher in 1980. The flow model posits that changes in exchange rates affect international competitiveness and trade balances, thereby influencing real income and output. Stock prices, generally interpreted as the present values of future cash flows of firms, react to exchange rate changes and form the link among future income, interest rate innovations, and current investment and consumption decisions. (Yang and Doong, 2004)

The other model, "stock-oriented" models of exchange rates such as those studied by Branson (1983) and Frankel (1983) models view exchange rates as equating the supply and demand for assets such as stocks and bonds. This approach gives the capital account an important role in determining exchange rate dynamics. Since the values of financial assets are determined by the present values of their future cash flows, expectations of relative currency values play a considerable role in their price movements, especially for internationally held financial assets. Therefore, stock price innovations may affect, or be affected by, exchange rate dynamics. (Ibid, 1984)

An illustration of the second approach can be seen in Figure 1 , where transmission and spillover is seen as an input-process-output model:

Because there has been no dominant approach to explain the impact of volatility spillover, numerous studies have populated the literature in recent years. The residual effect of the Global Financial Crisis still being felt in many countries as well as those "integrated" economies such as the Eurozone and ASEAN provide the motivation for sustained interest in this field of study.


Kanas (1998 and 2000) was one of the first to have examined volatility spillovers in the foreign exchange and stock markets. …

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