Indonesia's stock market : Evolving role, growing efficiency

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)329-346
Journal / PublicationBulletin of Indonesian Economic Studies
Issue number3
Publication statusPublished - Dec 2010
Externally publishedYes


The banking sector traditionally dominated Indonesia's financial system, and until the 1990s the stock market remained of little significance. Re-opened in 1977 after two decades of inactivity, the stock exchange made little contribution to Indonesia's development until a series of reform and deregulation measures were implemented from December 1987. This study examines the evolving role of the stock market in the financial system, and analyses changes in its efficiency over time. We find that stock market activity grew markedly in importance relative to banking after the reforms began to take effect, gaining the ascendancy in 2004 and moving well ahead subsequently. One contributor to this success is improvement in efficiency. Using two simple technical trading rules, we demonstrate that the stock exchange secondary market has indeed become significantly more efficient over time. © 2010 Indonesia Project ANU.