Kim, Sungchan, and Soyoung Park. “Investment Earnings As a Countercyclical Tool: Evidence from U.S. State Governments”. International Journal of Economics and Financial Issues 7, no. 2 (April 3, 2017): 138–144. Accessed January 10, 2025. https://mail.econjournals.org.tr/index.php/ijefi/article/view/3956.