Does the level of deposits matter for bank fragility and efficiency? In a banking model with endogenous bank runs and a consumption-saving decision, we show that the level of deposits has opposite effects on bank fragility depending on the nature of bank runs. In an economy with panic-driven runs, higher deposits make banks less fragile, while the opposite is true when runs are only driven by fundamentals. The effect of deposits is not internalized by depositors. A saving externality arises, leading to excessive fragility and insufficient liquidity provision. The economy features under-saving when runs are panic driven, and over-saving when fundamental driven.
Savings, Efficiency and the Nature of Bank Runs / Leonello, Agnese; Mendicino, Caterina; Panetti, Ettore; Porcellacchia, Davide. - 2636:(2022).
Savings, Efficiency and the Nature of Bank Runs
Ettore Panetti;
2022
Abstract
Does the level of deposits matter for bank fragility and efficiency? In a banking model with endogenous bank runs and a consumption-saving decision, we show that the level of deposits has opposite effects on bank fragility depending on the nature of bank runs. In an economy with panic-driven runs, higher deposits make banks less fragile, while the opposite is true when runs are only driven by fundamentals. The effect of deposits is not internalized by depositors. A saving externality arises, leading to excessive fragility and insufficient liquidity provision. The economy features under-saving when runs are panic driven, and over-saving when fundamental driven.File | Dimensione | Formato | |
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