Ex-dividend pricing, taxes and arbitrage opportunities: the case of the Portuguese stock exchange
This paper examines the ex-dividend stock price behaviour in the Portuguese Stock Exchange between 1993 and 2002, a unique period characterized by a richness of different investor tax statuses and several tax changes. After classifying investors according to their tax profile and corresponding dividend tax discrimination factorss, we find that the pursuit of a short-term trading strategy around the ex-dividend day does not yield significant abnormal returns after tax and bid-ask costs. These results are in accordance with the inexistence of arbitrage opportunities even when extreme tax situations are considered under different dividend yield scenarios. It is also shown that the observed ex-dividend price reduction is consistent with a tax explanation and in disagreement with market microstructure arguments. Further tests indicate that the price change is not significantly different from the expected theoretical price reduction for a marginal investor which we identified most likely as a long-term shareholder in high-tax brackets. Finally, our results only provide a weak support for the clientele hypothesis.
|Date of creation:||Dec 2005|
|Contact details of provider:|| Postal: Rua Dr. Roberto Frias, 4200 PORTO|
Web page: http://www.fep.up.pt/
More information through EDIRC
When requesting a correction, please mention this item's handle: RePEc:por:cetedp:0508. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Ana Bonanca)
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
If references are entirely missing, you can add them using this form.
If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.
Please note that corrections may take a couple of weeks to filter through the various RePEc services.