8Kim C S, Mauer D C, Sherman A E. The determinants of corporate liquidity: Theory and evidence [J]. Journal of Financial and Quantitative Analysis, 1998, 33: 305- 334.
9Opler T, Pinkowitz L, Stulz R, Williamson R. The de- terminants and implications of cash holdings [J]. Journal of Financial Economics, 1999, 52: 3-46.
10Almeida H M, Campello M, Weisvach S M. The cash flow sensitivity of cash [J]. Journal of Finance,2004,4: 1777-1804.
