Dr Fotios Petropoulos

Visiting Researcher

Research Overview

Dr Fotios Petropoulos is Lecturer (Assistant Professor) at Cardiff Business School. He remained the Coordinator and Research Associate of the Forecasting & Strategy Unit of NTUA for nine years, where he also completed his Doctor in Engineering. After that, he acted as a Senior Research Associate at the Lancaster Centre for Forecasting, Lancaster University. Fotios is engaged in time series forecasting, judgmental approaches for forecasting, optimal model selection and business forecasting processes. He has provided knowledge transfer and consultancy in Retail, Supply Chain, Spare Parts and Utilities. Except from that, he is an expert in software analysis, system design and development of integrated forecasting support systems. He has published several original articles in high-ranked academic journals and presented his work in major international conferences. Fotios is the founder of the Forecasting Society.

Do ‘big losses’ in judgmental adjustments to statistical forecasts affect experts’ behaviour?
Petropoulos, F., Fildes, R.A., Goodwin, P. 16/03/2016 In: European Journal of Operational Research. 249, 3, p. 842-852. 11 p.
Journal article

Forecasting with multivariate temporal aggregation: the case of promotional modelling
Kourentzes, N., Petropoulos, F. 16/09/2015 In: International Journal of Production Economics.
Journal article

Relative performance of methods for forecasting special events
Nikolopoulos, K., Litsa, A., Petropoulos, F., Bougioukos, V., Khammash, M. 08/2015 In: Journal of Business Research. 68, 8, p. 1785-1791. 7 p.
Journal article

Simple versus complex selection rules for forecasting many time series
Fildes, R., Petropoulos, F. 08/2015 In: Journal of Business Research. 68, 5, p. 1692-1701. 10 p.
Journal article

Forecast combinations for intermittent demand
Petropoulos, F., Kourentzes, N. 06/2015 In: Journal of the Operational Research Society. 66, 6, p. 914-924. 11 p.
Journal article

Amplifying the learning effect via a forecasting and foresight support system
Spithourakis, G., Petropoulos, F., Nikolopoulos, K., Assimakopoulos, V. 01/2015 In: International Journal of Forecasting. 31, 1, p. 20-32. 13 p.
Journal article

'Horses for courses' in demand forecasting
Petropoulos, F., Makridakis, S., Assimakopoulos, V., Nikolopoulos, K. 16/08/2014 In: European Journal of Operational Research. 237, 1, p. 152-163. 12 p.
Journal article

Improving forecasting by estimating time series structural components across multiple frequencies
Kourentzes, N., Petropoulos, F., Trapero, J.R. 04/2014 In: International Journal of Forecasting. 30, 2, p. 291-302. 12 p.
Journal article

A systemic view of the ADIDA framework
Spithourakis, G., Petropoulos, F., Nikolopoulos, K., Assimakopoulos, V. 2014 In: IMA Journal of Management Mathematics. 25, 2, p. 125-137. 13 p.
Journal article

Improving forecasting via multiple temporal aggregation
Petropoulos, F., Kourentzes, N. 2014 In: Foresight: The International Journal of Applied Forecasting. 2014, 34, p. 12-17. 6 p.
Journal article

An evaluation of simple forecasting model selection rules
Fildes, R., Petropoulos, F. 04/2013 Lancaster : The Department of Management Science, 32 p.
Working paper

Empirical heuristics for improving intermittent demand forecasting
Petropoulos, F., Nikolopoulos, K., Spithourakis, G., Assimakopoulos, V. 2013 In: Industrial Management and Data Systems. 113, 5, p. 683-696. 14 p.
Journal article

Optimizing Theta model for monthly data
Petropoulos, F., Nikolopoulos, K. 2013
Conference paper

How difficult is it to forecast worlds’ most successful products? The case of Apple iPhone
Petropoulos, F., Nikolopoulos, K., Litsa, A., Polychronakis, Y., Assimakopoulos, V. 09/2012 In: OR 54:. Operational Research Society p. 3-17. 15 p.

Παράγοντες που επηρεάζουν την Ακρίβεια Πρόβλεψης Χρονοσειρών: Προσομοίωση & Ανάλυση [Factors Affecting Time Series Forecasting Accuracy: Simulation & Analysis]
Petropoulos, F. 9/04/2012 256 p.
Doctoral Thesis

A neural network approach for the Theta model
Constantinidou, C., Nikolopoulos, K., Bougioukos, N., Tsiafa, E., Petropoulos, F., Assimakopoulos, V. 2012 In: Lecture Notes in Information Technology. 25, p. 116-120. 5 p.
Journal article

A web forecasting system supporting policy implementation: the case of 'digital planning' in Greece
Nikolopoulos, K., Litsa, A., Petropoulos, F., Metaxiotis, K., Assimakopoulos, V. 2012 In: International Journal of Business Information Systems. 11, 4, p. 397-409. 13 p.
Journal article

The Theta model: an essential forecasting tool for supply chain planning
Nikolopoulos, K., Assimakopoulos, V., Bougioukos, N., Litsa, A., Petropoulos, F. 2012 In: Advances in automation and robotics, Vol. 2. Berlin : Springer Verlag p. 431-437. 7 p.
Chapter (peer-reviewed)

An aggregate–disaggregate intermittent demand approach (ADIDA) to forecasting: an empirical proposition and analysis
Nikolopoulos, K., Syntetos, A., Boylan, J., Petropoulos, F., Assimakopoulos, V. 2011 In: Journal of the Operational Research Society. 62, 3, p. 544-554. 11 p.
Journal article

Improving the performance of popular supply chain forecasting techniques
Spithourakis, G., Petropoulos, F., Babai, M., Nikolopoulos, K., Assimakopoulos, V. 2011 In: Supply Chain Forum: An International Journal. 12, 4, p. 16-25. 10 p.
Journal article

Επιχειρησιακές Προβλέψεις [Business Forecasting]
Petropoulos, F., Assimakopoulos, V. 2011 Athens, Greece : Symmetria. 368 p. ISBN: 978-960-266-333-2.

Βελτιστοποίηση μεθόδου πρόβλεψης Θ και εφαρμογή επί των μηνιαίων δεδομένων των διαγωνισμών Μ3 και Τ [Optimization of Forecasting Method Theta and Application on Monthly Data of M3 and T Competitions]
Petropoulos, F. 25/06/2007
Master's Thesis