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Working Paper
Financial contracting with enforcement externalities
Contract enforceability in financial markets often depends on the aggregate actions of agents. For example, high default rates in credit markets can delay legal enforcement or reduce the value of collateral, incentivizing even more defaults and potentially affecting credit supply. We develop a theory of credit provision in which enforceability of individual contracts is linked to aggregate behavior. The central element behind this link is enforcement capacity, which is endogenously determined by investments in enforcement infrastructure. Our paper sheds new light on the emergence of credit ...
Working Paper
Financial Contracting with Enforcement Externalities
We study the negative feedback loop between the aggregate default rate and the efficacy of enforcement in a model of debt-financed entrepreneurial activity. The novel feature of our model is that enforcement capacity is accumulated ex ante and thus subject to depletion ex post. We characterize the effect of shocks that deplete enforcement resources on the aggregate default rate and credit supply. In the model default decisions by entrepreneurs are strategic complements, leading to multiple equilibria. We propose a global game selection to overcome equilibrium indeterminacy and show how shocks ...
Discussion Paper
How Can Safe Asset Markets Be Fragile?
The market for U.S. Treasury securities experienced extreme stress in March 2020, when prices dropped precipitously (yields spiked) over a period of about two weeks. This was highly unusual, as Treasury prices typically increase during times of stress. Using a theoretical model, we show that markets for safe assets can be fragile due to strategic interactions among investors who hold Treasury securities for their liquidity characteristics. Worried about having to sell at potentially worse prices in the future, such investors may sell preemptively, leading to self-fulfilling “market runs” ...
Report
Fragility of Safe Asset Markets
In March 2020, safe asset markets experienced surprising and unprecedented price crashes. We explainhow strategic investor behavior can create such market fragility in a model with investors valuing safety,investors valuing liquidity, and constrained dealers. While safety investors and liquidity investors caninteract symbiotically with offsetting trades in times of stress, liquidity investors’ strategic interactionharbors the potential for self-fulfilling fragility. When the market is fragile, standard flight-to-safety canhave a destabilizing effect and trigger a “dash-for-cash” by ...
Working Paper
The Role of Dispersed Information in Pricing Default: Evidence from the Great Recession
The recent Global Games literature makes important predictions on how financial crises unfold. We test the empirical relevance of these theories by analyzing how dispersed information affects banks' default risk. We find evidence that precise information acts as a coordination device which reduces creditors' willingness to roll over debt to a bank, thus increasing both its default risk and its vulnerability to changes in expectations. We establish two new results. First, given an unfavorable median forecast, less dispersed beliefs greatly increase default risk; this is consistent with ...
Working Paper
Credit Enforcement Cycles
Empirical evidence suggests that widespread financial distress, by disrupting enforcement of credit contracts, can be self-propagatory and adversely affect the supply of credit. We propose a unifying theory that models the interplay between enforcement, borrower default decisions, and the provision of credit. The central tenets of our framework are the presence of capacity constrained enforcement and borrower heterogeneity. We show that, despite heterogeneity, borrowers tend to coordinate their default choices, leading to fragility and to credit rationing. Our model provides a rationale for ...
Report
Rollover risk as market discipline: a two-sided inefficiency
Why does the market discipline that financial intermediaries face seem too weak during booms and too strong during crises? This paper shows in a general equilibrium setting that rollover risk as a disciplining device is effective only if all intermediaries face purely idiosyncratic risk. However, if assets are correlated, a two-sided inefficiency arises: Good aggregate states have intermediaries taking excessive risks, while bad aggregate states suffer from costly fire sales. The driving force behind this inefficiency is an amplifying feedback loop between asset values and market discipline. ...
Working Paper
The Effect of Safe Assets on Financial Fragility in a Bank-Run Model
Risk-averse investors induce competitive intermediaries to hold safe assets, thereby lowering the probability of a run and reducing financial fragility. We revisit Goldstein and Pauzner (2005), who obtain a unique equilibrium in the banking model of Diamond and Dybvig (1983) by introducing risky investment and noisy private signals. We show that, in the optimal demand-deposit contract subject to sequential service, banks hold safe assets to insure investors against investment risk. Consequently, fewer investors withdraw prematurely, which reduces the probability of a bank run. Safe asset ...