@phdthesis{oai:nagoya.repo.nii.ac.jp:00029973, author = {BAKALOV, Nikolay Dimitrov}, month = {Apr}, school = {名古屋大学, Nagoya University}, title = {Analysis of the Privatization as an Approach for a Pension Reform. The Experience of Bulgaria and Lessons from United States and Japan}, year = {2020} }