Shadow banks conduct credit intermediation without direct, explicit access to public sources of liquidity and credit guarantees. Shadow banks contributed to the credit boom in the early 2000s and collapsed during the financial crisis of 2007–2009. We review the quickly growing literature on...

Ensuring that a firm has sufficient liquidity to finance valuable projects that occur in the future is at the heart of the practice of financial management. However, although discussion of these issues goes back at least to Keynes (1936), a substantial literature on the ways in which firms...