A cointegration analysis of price transmission between ADRs and dually listed South Korean stocks

Lee K. Lim

Mathematics and Computers in Simulation (MATCOM), 2008, vol. 78, issue 2, 200-208

Abstract: This paper examines the dynamics of price transmissions between the South Korean shares and its American Depository Receipts (ADRs) for individual firms and a portfolio of all firms using a vector autoregressive (VAR) model in a cointegration framework. The results show a long-run cointegrating relationship among five pricing factors, namely the prices of Korean ADRs and their underlying shares, the Korean and the United States (US) market indices, and the exchange rate. Although the US market index is in the cointegrating vector, it is found to be an exogenous variable in the long-run. The short-term dynamics of the Korean portfolio returns are influenced by the deviation from the long-run equilibrium and the lagged changes of all pricing factors except for the exchange rate. On the other hand, its ADR portfolio returns are influenced by lags of its own returns, the US market return and changes in exchange rate. While innovations in the price of underlying shares explain a large portion of innovations in the ADRs for individual firms, shocks to the Korean and the US markets are more important at the aggregate level.

Keywords: ADRs; Cointegration; Market shock; Price transmission (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:78:y:2008:i:2:p:200-208

DOI: 10.1016/j.matcom.2008.01.013

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