Volume 1, No. 1, April 2002

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Some International Evidence on the Seasonality of Stock Prices
Shigeyuki Hamori and Akira Tokihisa

Faculty of Economics, Kobe University, Japan

Abstract
This paper performs seasonal integration tests based on stock price indices for the G7 countries. Nonseasonal unit roots were found in all countries. This implies that the (1-B)  filter is all that is needed to obtain the stationarity of stock prices, and the inclusion of dummy variables is all that is needed to consider seasonality in stock prices.
Key words: seasonal integration; stock prices; monthly effects
JEL classification: C32; G12

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