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J. Risk Financial Manag., Volume 7, Issue 1 (March 2014) – 2 articles , Pages 1-27

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Article
Validation of the Merton Distance to the Default Model under Ambiguity
by Wei-ling Chen and Leh-chyan So
J. Risk Financial Manag. 2014, 7(1), 13-27; https://doi.org/10.3390/jrfm7010013 - 25 Mar 2014
Cited by 1 | Viewed by 7065
Abstract
Bharath and Shumway (2008) provide evidence that shows that it is the functional form of Merton’s (1974) distance to default (DD) model that makes it useful and important for predicting defaults. In this paper, we investigate whether the default predictability of the Merton [...] Read more.
Bharath and Shumway (2008) provide evidence that shows that it is the functional form of Merton’s (1974) distance to default (DD) model that makes it useful and important for predicting defaults. In this paper, we investigate whether the default predictability of the Merton DD model would be affected by taking investors’ ambiguity aversion into consideration. The Cox proportional hazard model is used to compare the forecasting power of Bharath and Shumway’s naive model, which retains the functional form of the Merton DD model and computes the default probability in a naive way, with our new model, which treats investors’ ambiguity aversion as additional information. We provide evidence to show that our new model performs better than Bharath and Shumway’s naive model. In addition, our empirical results show that the statistical significance of Bharath and Shumway’s naive default probability is retained in the credit default swap (CDS) spread regressions, though the sign of the coefficient is changed. However, both the sign and the statistical significance of our model are retained in the CDS spread regressions. Full article
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Article
Revisiting the Performance of MACD and RSI Oscillators
by Terence Tai-Leung Chong, Wing-Kam Ng and Venus Khim-Sen Liew
J. Risk Financial Manag. 2014, 7(1), 1-12; https://doi.org/10.3390/jrfm7010001 - 26 Feb 2014
Cited by 34 | Viewed by 17331
Abstract
Chong and Ng (2008) find that the Moving Average Convergence–Divergence (MACD) and Relative Strength Index (RSI) rules can generate excess return in the London Stock Exchange. This paper revisits the performance of the two trading rules in the stock [...] Read more.
Chong and Ng (2008) find that the Moving Average Convergence–Divergence (MACD) and Relative Strength Index (RSI) rules can generate excess return in the London Stock Exchange. This paper revisits the performance of the two trading rules in the stock markets of five other OECD countries. It is found that the MACD(12,26,0) and RSI(21,50) rules consistently generate significant abnormal returns in the Milan Comit General and the S&P/TSX Composite Index. In addition, the RSI(14,30/70) rule is also profitable in the Dow Jones Industrials Index. The results shed some light on investors’ belief in these two technical indicators in different developed markets. Full article
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