Risk Management
Paper Session
Friday, Jan. 5, 2024 10:15 AM - 12:15 PM (CST)
- Chair: Kairong Xiao, Columbia University
Banking on Uninsured Deposits
Abstract
We model the impact of interest rates on the liquidity risk of banks. Banks hedge the interest rate risk of their assets with their deposit franchise: when rates rise the value of their assets falls, but the value of their deposit franchise rises. Yet the deposit franchise is only valuable if deposits remain in the bank. This makes the deposit franchise runnable if deposits are uninsured. We show there is no run equilibrium at low interest rates, but a run equilibrium emerges as rates rise. This is because the value of the deposit franchise rises with rates, making a run more destructive, and hence more likely. To prevent a run, the bank needs to keep the value of its uninsured deposit franchise from exceeding its equity. It can do so by shortening the duration of its assets, so that their value falls less if rates rise. However, this undoes the bank’s interest rate hedge, which can make it insolvent if rates fall. The uninsured deposit franchise therefore poses a risk management dilemma: the bank cannot simultaneously hedge its interest rate and liquidity risk exposures. We show banks can address the dilemma by buying claims with option-like payoffs to interest rates, or by raising additional capital as interest rates rise. These strategies minimize the additional capital needed to prevent a run if rates rise and avoid insolvency if rates fall.Hedging, Contract Enforceability and Competition
Abstract
We study how risk management through hedging impacts firms and competition among firms in the life insurance industry - an industry with over 7 Trillion in assets and over 1,000 private and public firms. We examine firms after a staggered state-level reform that reduces the costs of hedging by granting derivatives superpriority in case of insolvency. We show that firms that are likely to face costly external finance increase hedging and reduce risk and the probability of receivership. Firms that are likely to face costly external finance, also lower prices, increase policy sales and increase their market share post reform.What's Wrong with Annuity Markets?
Abstract
We show that the supply of U.S. life annuities is constrained by interest rate risk. We identify this effect using annuity prices offered by life insurers from 1989 to 2019 and exogenous variations in contract-level regulatory capital requirements. The cost of interest rate risk management---conditional on the effect of adverse selection---accounts for about half of annuity markups or eight percentage points. The contribution of interest rate risk to annuity markups sharply increased after the Great Financial Crisis, suggesting new retirees' opportunities to transfer their longevity risk are unlikely to improve in a persistently low interest rate environment.Discussant(s)
Andres Sarto
,
New York University
Yufeng Wu
,
University of Illinois
Chotibhak Jotikasthira
,
Southern Methodist University
Ishita Sen
,
Harvard University
JEL Classifications
- G3 - Corporate Finance and Governance