Predicting Polish transport industry equilibrium characteristics as an inverse problem: An Entropy Econometrics Model

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Statistics in Transition New Series

Polish Statistical Association

Central Statistical Office of Poland

Subject: Economics, Statistics & Probability

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ISSN: 1234-7655
eISSN: 2450-0291

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VOLUME 21 , ISSUE 5 (December 2020) > List of articles

Predicting Polish transport industry equilibrium characteristics as an inverse problem: An Entropy Econometrics Model

Second Bwanakare / Marek Cierpiał-Wolan

Keywords : transport industry, inverse problem, econometrics, non-extensive entropy econometrics

Citation Information : Statistics in Transition New Series. Volume 21, Issue 5, Pages 179-191, DOI: https://doi.org/10.21307/stattrans-2020-061

License : (CC BY-NC-ND 4.0)

Received Date : 30-September-2020 / Accepted: 25-November-2020 / Published Online: 20-December-2020

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The business environment dynamics is governed by a high degree of uncertainty and risk; consequently, in a majority of cases investors face serious difficulties when making business decisions. Additionally, when detailed statistical information relating to industry is missing, any decisions may become a matter of highly risky conjectures. The present article proposes a simultaneous equation model based on the entropy econometrics estimator for recovering some key industrial subsector long-term equilibrium characteristics in the situation where only sparse, insufficient statistical information is available (e.g. only aggregated data on the whole industry). The model is applied to the transportation equipment manufacturing industry in Poland, which is composed of eight sub-sectors. As a result of the above procedure, an observation has been made that all firms from different sub-sectors have to increase their steady-state concentration ratios, while the highest concentration corresponds to the lowest increase in profitability. The model outputs conform to the market tendency in this sector and should lead to further applications of the NCEE methodology in business activity on a worldwide scale.

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