Accounting and governance risk forecasting in the health care industry

Audrius Kabašinskas, Ingrida Vaičiulytė and Asta Vasiliauskaitė

Economic Research-Ekonomska Istraživanja, 2015, vol. 28, issue 1, 487-501

Abstract: Previous authors have proved the advantage of commercial Accounting and Governance Risk (AGR) evaluation methods over academic methods. However, the information used in commercial methods is not readily available to an investor. Therefore, the most important features used in academic methods and the AGR was forecast by Random Forests. It found a weak relation between the AGR rating and share price data (Close and Volume), using a skew t-distribution. For visualisation we used the Kohonen map, which identified three clusters. Clusters revealed AGR increasing, decreasing trendsetting and cluster-based companies which appear to have no clear trend. A self-organised map (SOM) used the AGR history of alpha-stable distribution parameters, which were calculated from the stock data (Close and Volume). Also, the test sample (companies rating data), following from skew t-distribution, has been simulated by maximum likelihood method, and parameters of the skew t-distribution have been estimated.

Date: 2015
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DOI: 10.1080/1331677X.2015.1082434

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