Leads and lags in sovereign credit ratings
R Alsakka, O Ap Gwilym - Journal of Banking & Finance, 2010 - Elsevier
… Author links open overlay panel Rasha Alsakka a , Owain ap Gwilym b … Cantor and Packer,
1996, Alsakka and ap Gwilym, 2009 show that rating disagreements across agencies are …
1996, Alsakka and ap Gwilym, 2009 show that rating disagreements across agencies are …
Modelling sovereign credit ratings: Neural networks versus ordered probit
…, D Crabbe, S Thomas, O Ap Gwilym - Expert systems with …, 2006 - Elsevier
Sovereign credit ratings are becoming increasingly important both within a financial regulatory
context and as a necessary prerequisite for the development of emerging capital markets. …
context and as a necessary prerequisite for the development of emerging capital markets. …
The impact of sovereign rating actions on bank ratings in emerging markets
G Williams, R Alsakka, O Ap Gwilym - Journal of Banking & Finance, 2013 - Elsevier
This paper analyses the effects of sovereign rating actions on the credit ratings of banks in
emerging markets, using a sample from three global rating agencies across 54 countries for …
emerging markets, using a sample from three global rating agencies across 54 countries for …
Rating agencies' signals during the European sovereign debt crisis: Market impact and spillovers
R Alsakka, O Ap Gwilym - Journal of Economic Behavior & Organization, 2013 - Elsevier
The ongoing financial crisis has drawn considerable attention to the role of credit rating
agencies in the financial system. We examine how the foreign exchange market reacts to …
agencies in the financial system. We examine how the foreign exchange market reacts to …
The sovereign-bank rating channel and rating agencies' downgrades during the European debt crisis
We investigate the rating channel for the transmission of changes in sovereign risk to the
banking sector, analysing data from Moody's, S&P and Fitch before and during the European …
banking sector, analysing data from Moody's, S&P and Fitch before and during the European …
Extreme price clustering in the London equity index futures and options markets
O Ap Gwilym, A Clare, S Thomas - Journal of Banking & Finance, 1998 - Elsevier
Price clustering and optimal tick sizes have recently been topics of substantial public policy
interest, and this paper presents evidence which is relevant to both debates. Around 98% of …
interest, and this paper presents evidence which is relevant to both debates. Around 98% of …
Foreign exchange market reactions to sovereign credit news
R Alsakka, O ap Gwilym - Journal of International Money and Finance, 2012 - Elsevier
We analyse the reaction of the foreign exchange spot market to sovereign credit signals by
Fitch, Moody’s and S&P during 1994–2010. We find that positive and negative credit news …
Fitch, Moody’s and S&P during 1994–2010. We find that positive and negative credit news …
The use of credit ratings in investment management in the US and Europe
R Cantor, O Ap Gwilym, S Thomas - Available at SSRN 996133, 2007 - papers.ssrn.com
We analyse a survey of 200 plan sponsors and investment managers in the US and Europe
regarding the use of credit rating guidelines in the conduct of their investment activities. We …
regarding the use of credit rating guidelines in the conduct of their investment activities. We …
Heterogeneity of sovereign rating migrations in emerging countries
R Al-Sakka, O ap Gwilym - Emerging markets review, 2009 - Elsevier
This is a unique study of the relationship between emerging sovereign rating migrations and
the sources of rating heterogeneity. It employs data from six international rating agencies …
the sources of rating heterogeneity. It employs data from six international rating agencies …
The intraday relationship between volume and volatility in LIFFE futures markets
OAP Gwilym, D McMillan, A Speight - Applied Financial Economics, 1999 - Taylor & Francis
This paper examines the intraday behaviour of five-minute FTSE-100, Short Sterling and Long
Gilt LIFFE futures returns volatility and volume. The intraday patterns identified exhibit a U-…
Gilt LIFFE futures returns volatility and volume. The intraday patterns identified exhibit a U-…