1. 2014
2. Published

   The sovereign-bank rating channel and rating agencies' downgrades during the European debt crisis

   ap Gwilym, O. M., Alsakka, R., Ap Gwilym, O. & Vu, T. N., 13 Apr 2014, In: Journal of International Money and Finance. 49, part B, p. 235-257

   Research output: Contribution to journal › Article › peer-review

3. Published

   Sovereign rating actions and the implied volatility of stock index options

   Tran, V., Alsakka, R. & ap Gwilym, O. M., 5 Jun 2014, In: International Review of Financial Analysis. 34, p. 101-113

   Research output: Contribution to journal › Article › peer-review

4. 2015
5. Published

   Does sovereign creditworthiness affect bank valuations in emerging markets?

   Williams, G. L., Alsakka, R. & ap Gwilym, O. M., 10 Feb 2015, In: Journal of International Financial Markets, Institutions and Money. 36, p. 113-129

   Research output: Contribution to journal › Article › peer-review

6. Published

   The intraday determination of liquidity in the NYSE LIFFE equity option markets

   Verousis, T., ap Gwilym, O. & Chen, X., 13 Mar 2015, In: European Journal of Finance.

   Research output: Contribution to journal › Article › peer-review

7. Published

   The credit signals that matter most for sovereign bond spreads with split rating

   Vu, H., Alsakka, R. & ap Gwilym, O. M., May 2015, In: Journal of International Money and Finance. 53, p. 174-191

   Research output: Contribution to journal › Article › peer-review

8. Published

   Market impact under a new regulatory regime: Credit rating agencies in Europe

   Alsakka, R., ap Gwilym, O., Klusak, P. & Tran, V., 28 Jun 2015, In: Economic Notes. 44, 2, p. 275-308

   Research output: Contribution to journal › Article › peer-review

9. 2016
10. Published

    The Impact of a Premium-Based Tick Size on Equity Option Liquidity

    Verousis, T., ap Gwilym, O. & Voukelatos, N., 7 Mar 2016, In: Journal of Futures Markets. 36, 4, p. 397-417

    Research output: Contribution to journal › Article › peer-review

11. Published

    Commonality in equity options liquidity: Evidence from European Markets

    Verousis, T., ap Gwilym, O. & Voukelatos, N., 24 May 2016, In: European Journal of Finance. 22, 12, p. 1204-1223

    Research output: Contribution to journal › Article › peer-review

12. Published

    In Search of Concepts: The Effects of Speculative Demand on Stock Returns

    ap Gwilym, O. M., Hasan, I., Wang, Q. & Xie, R., 2 Jun 2016, In: European Financial Management. 22, 3, p. 427-449

    Research output: Contribution to journal › Article › peer-review

13. 2017
14. Published

    Differences of opinion in sovereign credit signals during the European crisis

    Alsakka, R., ap Gwilym, O. M. & Vu, H., 2017, In: European Journal of Finance. 23, p. 859-884

    Research output: Contribution to journal › Article › peer-review