Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/6726
Title: The asymmetric relation between initial margin requirements and stock market volatility across bull and bear markets
Authors: Hardouvelis, Gikas
Theodossiou, Panayiotis 
Keywords: Finance;Markets;Stock markets
Issue Date: 2002
Publisher: Oxford University Press
Source: Review of financial studies, 2002, Volume 15, Issue 5, Pages 1525-1559
Abstract: Higher initial margin requirements are associated with lower subsequent stock market volatility during normal and bull periods, but show no relationship during bear periods. Higher margins are also negatively related to the conditional mean of stock returns, apparently because they reduce systemic risk. We conclude that a prudential rule for setting margins (or other regulatory restrictions) is to lower them in sharply declining markets in order to enhance liquidity and avoid a depyramiding effect in stock prices, but subsequently raise them and keep them at the higher level in order to prevent a future pyramiding effect
URI: http://ktisis.cut.ac.cy/handle/10488/6726
ISSN: 0893-9454 (print)
1465-7368 (online)
DOI: 10.1093/rfs/15.5.1525
Rights: © 2002 The society for financial studies
Type: Article
Appears in Collections:Άρθρα/Articles

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