2008 sonrası özel sektör borçlanması BBB tahviller ve buyback

BUYBACK

https://osam.com/pdfs/research/The%20Factor%20Archives%20-%20Shareholder%20Yield%20(FINAL)-11_20_19.pdf

özel sektör borçlanması

https://www.spglobal.com/en/research-insights/articles/the-bbb-u-s-bond-market-exceeds-3-trillion

https://wolfstreet.com/2019/12/12/is-the-corporate-debt-bubble-ripe-yet/