2022

Koki, Constandina, Leonardos, Stefanos and Piliouras, Georgios (2022) Exploring the predictability of cryptocurrencies via Bayesian hidden Markov models. Research in International Business and Finance, 59 . 101554. doi:10.1016/j.ribaf.2021.101554

2021

Leonardos, Stefanos, Melolidakis, Costis and Koki, Constandina (2021) Monopoly pricing in vertical markets with demand uncertainty. Annals of Operations Research . doi:10.1007/s10479-021-04067-3 (In Press)

2020

Koki, Constandina, Meligkotsidou, L. and Vrontos, I. (2020) Forecasting under model uncertainty : non-homogeneous hidden Markov models with Pòlya-Gamma data augmentation. Journal of Forecasting, 39 (4). pp. 580-598. doi:10.1002/for.2645

Koki, Constandina, Leonardos, Stefanos and Piliouras, Georgios (2020) Do cryptocurrency prices camouflage latent economic effects? A Bayesian hidden Markov approach. Future Internet, 12 (3). 59. doi:10.3390/fi12030059

2019

Koki, Constandina, Leonardos, Stefanos and Piliouras, Georgios (2019) Do cryptocurrency prices camouflage latent economic effects? A Bayesian hidden Markov approach. In: The 3rd Annual Decentralized Conference on Blockchain and Cryptocurrency, Athens, Greece, 30 Oct -1 Nov 2019. Published in: Proceedings, 28 (1). ISSN 2504-3900. doi:10.3390/proceedings2019028005

Koki, Constandina and Leonardos, Stefanos (2019) Coalitions and voting power in the Greek Parliament of 2012 : a case-study. Homo Oeconomicus, 35 (4). pp. 295-313. doi:10.1007/s41412-019-00080-x

2018

Koki, Constandina, Leonardos, Stefanos and Melolidakis, Costis (2018) Comparative statics via stochastic orderings in a two-echelon market with upstream demand uncertainty. In: Daniele, P. and Scrimali, L., (eds.) New Trends in Emerging Complex Real Life Problems. AIRO Springer Series, 1 . Cham: Springer International Publishing, pp. 331-343. ISBN 9783030004729

2015

Georgakakis, A., Aird, J., Buchner, J., Salvato, M., Menzel, M-L., Brandt, W. N., McGreer, I. D., Dwelly, T., Mountrichas, G., Koki, Constandina, Georgantopoulos, I., Hsu, L.-T., Merloni, A., Liu, Z., Nandra, K. and Ross, N. P. (2015) The X-ray luminosity function of active galactic nuclei in the redshift interval z=3-5. Monthly Notices of the Royal Astronomical Society, 453 (2). pp. 1946-1964. doi:10.1093/mnras/stv1703