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Did ease on the drivers’ license test in 2011 increase car accidents?
Journal of the Korean Data & Information Science Society 2020;31:149-57
Published online January 31, 2020;  https://doi.org/10.7465/jkdi.2020.31.1.149
© 2020 Korean Data and Information Science Society.

Keuk Ryoul Yoo1 · Jinnam Jo2

1Department of Business Administration, Dongduk Women’s University
2Department of Statistics and Information, Dongduk Women’s University
Correspondence to: Professor emeritus, Department of Statistics and Information, Dongduk Women’s University, Seoul, 02748, Korea. E-mail: jinnam@dongduk.ac.kr
This research was supported by the Dongduk Women’s University Sabbatical Program 2018 (Keuk Ryoul Yoo).
Received November 21, 2019; Revised January 4, 2020; Accepted January 6, 2020.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
In June 2011, drivers’ license test was became easier, which makes applicants to obtain licenses easily. It has been widely acknowledged that not-well-trained drivers were produced and hence car accidents have been increased so rapidly. As of December 22, 2016, the test was toughened again. This paper examines whether the ease on the license test (i) deteriorated the driving skill of new drive licensees and (ii) made more people pursue drivers’ licenses. After statistical analysis, I found that the ease on the test (i) did not deteriorate the driving skill of new driver licensees, (ii) did not change the long-run trend in the number of licensees and did show short-run trend to obtaining driver licenses toward the easy period.
Keywords : Accident rate, ease on drivers’ license test, obtaining drivers’ licenses.