The 2021 Macroeconometric Modelling Workshop, co-organized by the IEAS and the Directorate General of Budget, Accounting and Statistics, Executive Yuan, R.O.C. (Taiwan), was held on December 1-2, 2021. The theme of the Workshop was “Economic Policies in the Post COVID-19 Era.” The Workshop consists of two keynote speeches, one forum, and 30 policy and academic research papers. The first speech on “Vaccination and Therapeutic Policies in Response to the COVID-19 Pandemic” was delivered by Dr. Ih-Jen Su (Chair Professor and Former Director of the Center for Disease Control, R.O.C.). The second keynote speech on “Monetary Policy and the Real Estate Market” was delivered by Dr. Chung-Shu Wu (Chairman, Taiwan Academy of Banking and Finance). The workshop forum, “Economic Policy in the Post COVID-19 Era,” was given in the morning of the first day. The forum was chaired by Dr. Chung-Shu Wu (Chairman, Taiwan Academy of Banking and Finance) and led by Emeritus Professor Tsong-Min Wu (National Taiwan University), who discussed “the Past and the Future of the Central Bank.” Four panelists were Dr. Been-Lon Chen (Academia Sinica), Dr. Ray Yeutien Chou (Academia Sinica), Dr. Roy Chun Lee (the Taiwan WTO and RTA Center, Chung-Hua Institution for Economic Research), and Professor Yiting Li (National Taiwan University).