1. Cyhoeddwyd

   International evidence on the payout ratio, earnings, dividends, and returns.

   ap Gwilym, O. M., Ap Gwilym, O., Seaton, J., Suddason, K. & Thomas, S. H., 1 Ion 2006, Yn: Financial Analysts Journal. 62, 1, t. 36-53

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2. Cyhoeddwyd

   Evidence on trading mechanisms.

   ap Gwilym, O. M., Ap Gwilym, O., Board, J. (gol.), Sutclifee, C. (gol.) & Wells, S. (gol.), 1 Ion 2002, Transparency and Fragmentation: Financial Market Regulation in a Dynamic Environment. 2002 gol. Palgrave Macmillan, t. 101-140

   Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

3. Cyhoeddwyd

   Trade size clustering and the cost of trading at the London Stock Exchange

   ap Gwilym, O. M., Verousis, T. & Ap Gwilym, O., 18 Medi 2012, Yn: International Review of Financial Analysis.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

4. Cyhoeddwyd

   An empirical comparison of quoted and implied bid-ask spreads on futures contracts.

   ap Gwilym, O. M., Ap Gwilym, O. & Thomas, S., 1 Chwef 2002, Yn: Journal of International Financial Markets, Institutions and Money. 12, 1, t. 81-99

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

5. Cyhoeddwyd

   The Use of Credit Ratings in Investment Management in the US and Europe

   ap Gwilym, O. M., Cantor, R., Ap Gwilym, O. & Thomas, S., 1 Hyd 2007, Yn: Journal of Fixed Income. 17, 2, t. 13-26

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

6. Cyhoeddwyd

   Bid-ask spreads and the liquidity of international bonds.

   ap Gwilym, O. M., Ap Gwilym, O., Trevino, L. & Thomas, S. H., 1 Medi 2002, Yn: Journal of Fixed Income. 12, 2, t. 82-91

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

7. Cyhoeddwyd

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

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

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

8. Cyhoeddwyd

   Price Clustering in Individual Equity Options: Moneyness, Maturity, and Price Level

   ap Gwilym, O. M. & Verousis, T., 1 Ion 2013, Yn: Journal of Futures Markets. 33, 1, t. 55-76

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

9. Cyhoeddwyd

   The determinants of CDS bid-ask spreads.

   ap Gwilym, O. M., Meng, L. & Ap Gwilym, O., 1 Hyd 2008, Yn: Journal of Derivatives. 16, 1, t. 70-80

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

10. Cyhoeddwyd

    Fractional versus decimal pricing: evidence from the UK Long Gilt futures market.

    ap Gwilym, O. M., Ap Gwilym, O., McManus, I. & Thomas, S., 1 Mai 2005, Yn: Journal of Futures Markets. 25, 5, t. 419-442

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid