Acknowledgement
본 연구는 한국은행의 연구용역지원을 받아 수행되었습니다. 유재근과 박유진은 2023년도 정부(과학기술정보통신부)의 재원으로 한국연구재 단의 지원을 받아수행된 기초연구사업임 (RS-2023-00240564 and RS-2023-00217022).
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