Jakarta, The Doctoral Program in Economics (PDIE) once again held a dissertation defense for students, addressing national strategic issues in public policy and taxation. The defense took place on Monday, February 2, 2026.

The student attending the defense was Evan Arief Rosyidin Anwar (NIM 221022006005) from the Public Policy concentration. At the defense, Evan presented his dissertation on “Taxation in the Context of Tax Revenue.” This research examines selective tax law enforcement strategies as an instrument to increase the effectiveness and optimization of state tax revenue.

The dissertation defense was led by Prof. Dr. Yolanda Masnita Siagian, CIRR, CMA, CPM as the chief examiner. Acting as promoter was Prof. Muhammad Zilal Hamzah, Ph.D, with Dr. Eleonora Sofilda, M.Si as co-promoter. The examining team also consisted of Dr. Dini Hariyanti, ME and Dr. Sumiyarti, ME as examiner members.

In his presentation, Evan emphasized the importance of a tax law enforcement approach and the relevance of research findings to national tax system reform. The dissertation defense was attended by Dr. Sisca, who ensured the entire proceedings were systematically and accountably documented.

The implementation of this dissertation defense is part of PDIE’s commitment to producing public policy research that makes a real contribution to national development, particularly in strengthening the taxation system and optimizing state revenue.