City Research Online

Wei, Z., Zeng, Y., Shi, Y. ORCID: 0000-0002-3226-7944 , Kyriakou, I. ORCID: 0000-0001-9592-596X & Shahbaz, M.view all authors (2025). Forecasting Energy Efficiency in Manufacturing: Impact of Technological Progress in Productive Service and Commodity Trades. Journal of Forecasting, 44(7), pp. 2170-2192. doi: 10.1002/for.3289

Frau, C., Fusai, G. ORCID: 0000-0001-9215-2586 & Kyriakou, I. ORCID: 0000-0001-9592-596X (2025). Energy Commodities and Calendar Spread Options. Energy Economics, 151, article number 108809. doi: 10.1016/j.eneco.2025.108809

Hsu, P-H., Kyriakou, I. ORCID: 0000-0001-9592-596X, Ma, T. & Sermpinis, G.view all authors (2025). Mutual Funds’ Conditional Performance Free of Data Snooping Bias. Journal of Financial and Quantitative Analysis, 60(3), pp. 1373-1400. doi: 10.1017/s0022109024000097

Wu, Q., Shahbaz, M. & Kyriakou, I. ORCID: 0000-0001-9592-596X (2025). Temperature Fluctuations, Climate Uncertainty, and Financing Hindrance. Journal of Regional Science, 65(1), pp. 112-134. doi: 10.1111/jors.12733

Wei, M., Kyriakou, I. ORCID: 0000-0001-9592-596X, Sermpinis, G. & Stasinakis, C.view all authors (2024). Cryptocurrencies and Lucky Factors: The value of technical and fundamental analysis. International Journal of Finance and Economics, 29(4), pp. 4073-4104. doi: 10.1002/ijfe.2863

Zhang, Z., Chronopoulos, M. ORCID: 0000-0002-3858-2021, Kyriakou, I. ORCID: 0000-0001-9592-596X & Dimitrova, D. S. ORCID: 0000-0003-3169-2735view all authors (2024). Bi-level optimisation of subsidy and capacity investment under competition and uncertainty. European Journal of Operational Research, 318(1), pp. 327-340. doi: 10.1016/j.ejor.2024.03.028

Zhang, Z., Chronopoulos, M. ORCID: 0000-0002-3858-2021, Dimitrova, D. S. ORCID: 0000-0003-3169-2735 & Kyriakou, I. ORCID: 0000-0001-9592-596Xview all authors (2024). Risk assessment and optimal scheduling of serial projects. OR Spectrum, 46(3), pp. 709-736. doi: 10.1007/s00291-023-00740-0

Kyriakou, I. ORCID: 0000-0001-9592-596X, Brignone, R. & Fusai, G. ORCID: 0000-0001-9215-2586 (2024). Unified moment-based modelling of integrated stochastic processes. Operations Research, 72(4), pp. 1630-1653. doi: 10.1287/opre.2022.2422

Marchese, M. ORCID: 0000-0001-6801-911X, Kyriakou, I. ORCID: 0000-0001-9592-596X, Di Iorio, F. & Tamvakis, M. ORCID: 0000-0002-5056-0159view all authors (2023). Asset Correlations and Macroeconomic Fundamentals. Commodity Insights Digest, 1(2),

Muganda, B., Kyriakou, I. ORCID: 0000-0001-9592-596X & Shibwabo Kasamani, B. (2023). Modelling asymmetric dependence in stochastic volatility and option pricing: A conditional copula approach. Scientific African, 21, article number e01765. doi: 10.1016/j.sciaf.2023.e01765

Gerrard, R. J. G. ORCID: 0000-0002-8932-8752, Kyriakou, I. ORCID: 0000-0001-9592-596X, Nielsen, J. P. ORCID: 0000-0001-6874-1268 & Vodička, P.view all authors (2023). On optimal constrained investment strategies for long-term savers in stochastic environments and probability hedging. European Journal of Operational Research, 307(2), pp. 948-962. doi: 10.1016/j.ejor.2022.10.003

Pilbeam, K. ORCID: 0000-0002-5609-8620, Beckmann, J., Kyriakou, I. ORCID: 0000-0001-9592-596X & Liu, J.view all authors (2023). Celebrating the 27th anniversary of International Journal of Finance and Economics and shaping the future. International Journal of Finance and Economics, 28(1), pp. 5-8. doi: 10.1002/ijfe.2743

Zhao, J., Dong, K., Dong, X. , Shahbaz, M. & Kyriakou, I. ORCID: 0000-0001-9592-596Xview all authors (2022). Is green growth affected by financial risks? New global evidence from asymmetric and heterogeneous analysis. Energy Economics, 113, article number 106234. doi: 10.1016/j.eneco.2022.106234

Asimit, V. ORCID: 0000-0002-7706-0066, Kyriakou, I. ORCID: 0000-0001-9592-596X, Santoni, S. ORCID: 0000-0002-5928-3901 , Scognamiglio, S. & Zhu, R. ORCID: 0000-0002-9944-0369view all authors (2022). Robust Classification via Support Vector Machines. Risks, 10(8), article number 154. doi: 10.3390/risks10080154

Das, M. K., Tsai, H., Kyriakou, I. ORCID: 0000-0001-9592-596X & Fusai, G. ORCID: 0000-0001-9215-2586view all authors (2022). Technical Note - On Matrix Exponential Differentiation with Application to Weighted Sum Distributions. Operations Research, 70(4), pp. 1984-1995. doi: 10.1287/opre.2021.2257

Kyriakou, I. ORCID: 0000-0001-9592-596X & Tsanakas, A. ORCID: 0000-0003-4552-5532 (2022). Efficient evaluation of alternative reinsurance strategies using control variates. European Actuarial Journal, 12(1), pp. 425-431. doi: 10.1007/s13385-022-00304-6

Gomez-Valle, L., Kyriakou, I. ORCID: 0000-0001-9592-596X, Martinez-Rodriguez, J. & Nomikos, N. ORCID: 0000-0003-1621-2991view all authors (2021). Estimating risk-neutral freight rate dynamics: A nonparametric approach. The Journal of Futures Markets, 41(11), pp. 1824-1842. doi: 10.1002/fut.22244

Kyriakou, I. ORCID: 0000-0001-9592-596X, Mousavi, P., Nielsen, J. P. & Scholz, M.view all authors (2021). Forecasting benchmarks of long-term stock returns via machine learning. Annals of Operations Research, 297(1-2), pp. 221-240. doi: 10.1007/s10479-019-03338-4

Fusai, G., Kyriakou, I. ORCID: 0000-0001-9592-596X & Castiglioni, M. (2021). Component replacement under uncertainty – a switching option perspective. .

Brignone, R., Kyriakou, I. ORCID: 0000-0001-9592-596X & Fusai, G. ORCID: 0000-0001-9215-2586 (2021). Moment-matching approximations for stochastic sums in non-Gaussian Ornstein-Uhlenbeck models. Insurance: Mathematics and Economics, 96, pp. 232-247. doi: 10.1016/j.insmatheco.2020.12.002

Kyriakou, I. ORCID: 0000-0001-9592-596X, Mousavi, P., Nielsen, J. P. ORCID: 0000-0002-2798-0817 & Scholz, M.view all authors (2021). Short-term exuberance and long-term stability: A simultaneous optimization of stock return predictions for short and long horizons. Mathematics, 9(6), article number 620. doi: 10.3390/math9060620

Kyriakou, I. ORCID: 0000-0001-9592-596X, Mousavi, P., Nielsen, J. P. ORCID: 0000-0002-2798-0817 & Scholz, M.view all authors (2020). Longer-Term Forecasting of Excess Stock Returns—The Five-Year Case. Mathematics, 8(6), article number 927. doi: 10.3390/math8060927

Tamvakis, M. ORCID: 0000-0002-5056-0159, Marchese, M., Kyriakou, I. ORCID: 0000-0001-9592-596X & Di Iorio, F.view all authors (2020). Forecasting crude oil and refined products volatilities and correlations: New evidence from fractionally integrated multivariate GARCH models. Energy Economics, 88, article number 104757. doi: 10.1016/j.eneco.2020.104757

Marchese, M., Kyriakou, I. ORCID: 0000-0001-9592-596X, Tamvakis, M. ORCID: 0000-0002-5056-0159 & Di Iorio, F.view all authors (2020). Forecasting crude oil and refined products volatilities and correlations: New evidence from fractionally integrated multivariate GARCH models. Energy Economics, 88, article number 104757. doi: 10.1016/j.eneco.2020.104757

Gambaro, A. M., Kyriakou, I. ORCID: 0000-0001-9592-596X & Fusai, G. ORCID: 0000-0001-9215-2586 (2020). General lattice methods for arithmetic Asian options. European Journal of Operational Research, 282(3), pp. 1185-1199. doi: 10.1016/j.ejor.2019.10.026

Tamvakis, M. ORCID: 0000-0002-5056-0159, Marchese, M., Kyriakou, I. ORCID: 0000-0001-9592-596X & Di Iorio, F.view all authors (2020). Forecasting crude oil and refined products volatilities and correlations: New evidence from fractionally integrated multivariate GARCH models. Denver, Colorado: J.P. Morgan Center for Commodities, University of Colorado at Denver.

Ballotta, L. ORCID: 0000-0002-2059-6281, Fusai, G. ORCID: 0000-0001-9215-2586, Kyriakou, I. ORCID: 0000-0001-9592-596X , Papapostolou, N. C. ORCID: 0000-0003-4529-1182 & Pouliasis, P. K. ORCID: 0000-0002-7389-3722view all authors (2020). Risk management of climate impact for tourism operators: An empirical analysis on ski resorts. Tourism Management, 77, article number 104011. doi: 10.1016/j.tourman.2019.104011

Asimit, V. ORCID: 0000-0002-7706-0066, Kyriakou, I. ORCID: 0000-0001-9592-596X & Nielsen, J. P. ORCID: 0000-0002-2798-0817 (2020). Special Issue “Machine Learning in Insurance”. Risks, 8(2), article number 54. doi: 10.3390/risks8020054

Kyriakou, I. ORCID: 0000-0001-9592-596X, Pantelous, A. A., Sermpinis, G. & Zenios, S. A.view all authors (2019). Preface: application of operations research to financial markets. Annals of Operations Research, 282(1-2), pp. 1-2. doi: 10.1007/s10479-019-03400-1

Cuthbertson, K., Kyriakou, I. ORCID: 0000-0001-9592-596X, Sermpinis, G. & Pantelous, A. A.view all authors (2019). Special issue of the International Journal of Finance and Economics innovations in finance, economics, risk management, and policy. International Journal of Finance & Economics, 24(4), pp. 1407-1408. doi: 10.1002/ijfe.1738

Gerrard, R. J. G. ORCID: 0000-0002-8932-8752, Hiabu, M., Kyriakou, I. ORCID: 0000-0001-9592-596X & Nielsen, J. P. ORCID: 0000-0002-2798-0817view all authors (2019). Communication and personal selection of pension saver's financial risk. European Journal of Operational Research, 274(3), pp. 1102-1111. doi: 10.1016/j.ejor.2018.10.038

Corsaro, S., Kyriakou, I. ORCID: 0000-0001-9592-596X, Marazzina, D. & Marino, Z.view all authors (2019). A general framework for pricing Asian options under stochastic volatility on parallel architectures. European Journal of Operational Research, 272(3), pp. 1082-1095. doi: 10.1016/j.ejor.2018.07.017

Gerrard, R. J. G. ORCID: 0000-0002-8932-8752, Hiabu, M., Kyriakou, I. ORCID: 0000-0001-9592-596X & Nielsen, J. P. ORCID: 0000-0002-2798-0817view all authors (2018). Self-selection and risk sharing in a modern world of lifelong annuities - Abstract of the London Discussion. British Actuarial Journal, 23(e29), article number e29. doi: 10.1017/s1357321718000272

Pouliasis, P. K. ORCID: 0000-0002-7389-3722, Papapostolou, N. C. ORCID: 0000-0003-4529-1182, Kyriakou, I. ORCID: 0000-0001-9592-596X & Visvikis, I.D.view all authors (2018). Shipping equity risk behavior and portfolio management. Transportation Research Part A: Policy and Practice, 116, pp. 178-200. doi: 10.1016/j.tra.2018.06.016

Kyriakou, I., Pouliasis, P. K., Papapostolou, N. C. & Nomikos, N. ORCID: 0000-0003-1621-2991view all authors (2018). Income Uncertainty and the Decision to Invest in Bulk Shipping. European Financial Management, 24(3), pp. 387-417. doi: 10.1111/eufm.12132

Gerrard, R. J. G. ORCID: 0000-0002-8932-8752, Hiabu, M., Kyriakou, I. ORCID: 0000-0001-9592-596X & Nielsen, J. P. ORCID: 0000-0002-2798-0817view all authors (2018). Self-selection and risk sharing in a modern world of life-long annuities. British Actuarial Journal, 23, article number e30. doi: 10.1017/s135732171800020x

Kyriakou, I., Pouliasis, P. K., Papapostolou, N. C. & Andriosopoulos, K.view all authors (2017). Freight Derivatives Pricing for Decoupled Mean-Reverting Diffusion and Jumps. Transportation Research Part E: Logistics and Transportation Review, 108, pp. 80-96. doi: 10.1016/j.tre.2017.09.002

Pouliasis, P. K., Kyriakou, I. & Papapostolou, N. C. (2017). On equity risk prediction and tail spillovers. International Journal of Finance and Economics, 22(4), pp. 379-393. doi: 10.1002/ijfe.1594

Papapostolou, N. C., Pouliasis, P. K. & Kyriakou, I. (2017). Herd behavior in the drybulk market: An empirical analysis of the decision to invest in new and retire existing fleet capacity. Transportation Research Part E: Logistics and Transportation Review, 104, pp. 36-51. doi: 10.1016/j.tre.2017.05.007

Ballotta, L., Gerrard, R. J. G. & Kyriakou, I. (2017). Hedging of Asian options under exponential Lévy models: computation and performance. The European Journal of Finance, 23(4), pp. 297-323. doi: 10.1080/1351847x.2015.1066694

Kyriakou, I., Pouliasis, P. K. & Papapostolou, N. C. (2016). Jumps and stochastic volatility in crude oil prices and advances in average option pricing. Quantitative Finance, 16(12), pp. 1859-1873. doi: 10.1080/14697688.2016.1211798

Papapostolou, N. C., Pouliasis, P. K., Nomikos, N. ORCID: 0000-0003-1621-2991 & Kyriakou, I.view all authors (2016). Shipping Investor Sentiment and International Stock Return Predictability. Transportation Research Part E: Logistics and Transportation Review, 96, pp. 81-94. doi: 10.1016/j.tre.2016.10.006

Kyriakou, I., Nomikos, N. ORCID: 0000-0003-1621-2991, Pouliasis, P. K. & Papapostolou, N. C.view all authors (2016). Affine-Structure Models and the Pricing of Energy Commodity Derivatives. European Financial Management, 22(5), pp. 853-881. doi: 10.1111/eufm.12071

Fusai, G. & Kyriakou, I. (2016). General optimized lower and upper bounds for discrete and continuous arithmetic Asian options. Mathematics of Operations Research, 41(2), pp. 531-559. doi: 10.1287/moor.2015.0739

Ballotta, L. & Kyriakou, I. (2015). Convertible bond valuation in a jump diffusion setting with stochastic interest rates. Quantitative Finance, 15(1), pp. 115-129. doi: 10.1080/14697688.2014.935464

Ballotta, L. & Kyriakou, I. (2014). Monte carlo simulation of the CGMY process and option pricing. Journal of Futures Markets, 34(12), pp. 1095-1121. doi: 10.1002/fut.21647

Papapostolou, N. C., Nomikos, N. ORCID: 0000-0003-1621-2991, Pouliasis, P. K. & Kyriakou, I.view all authors (2014). Investor Sentiment for Real Assets: The Case of Dry Bulk Shipping Market*. Review of Finance, 18(4), pp. 1507-1539. doi: 10.1093/rof/rft037

Nomikos, N. ORCID: 0000-0003-1621-2991, Kyriakou, I., Papapostolou, N. C. & Pouliasis, P. K.view all authors (2013). Freight options: Price modelling and empirical analysis. Transportation Research Part E: Logistics and Transportation Review, 51(1), pp. 82-94. doi: 10.1016/j.tre.2012.12.001

Kyriakou, I. ORCID: 0000-0001-9592-596X (2010). Efficient valuation of exotic derivatives with path-dependence and early exercise features. (Unpublished Doctoral thesis, City University London)

Černý, A. & Kyriakou, I. (2010). An improved convolution algorithm for discretely sampled Asian options. Quantitative Finance, 11(3), pp. 381-389. doi: 10.1080/14697680903397667

Zhang, Z., Chronopoulos, M. & Kyriakou, I. ORCID: 0000-0001-9592-596X Bi-level optimisation of security investment and insurance pricing. .