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Working Paper
Macro Credit Policy and the Financial Accelerator
This paper studies macro credit policies within the celebrated financial accelerator model of Bernanke, Gertler and Gilchrist (1999). The focus is on borrower-based restrictions on lending such as loan-to-value (LTV) ratios. We find that the efficacy of cyclical taxes on LTV ratios depends upon the nature of the underlying loan contract. If the loan contract contains equity-like features such as indexation to aggregate conditions, then there is little role for cyclical taxation. But if the loan contract is not indexed to aggregate conditions, then there are substantial gains to procyclical ...
Journal Article
Monetary policy and asset prices with imperfect credit markets
The Modigliani-Miller theorem is fundamental to the theory of corporate finance. One of the theorem's immediate implications is that there is no reason for the monetary authority to respond to asset prices. This article posits a world in which the Modigliani-Miller theorem does not hold. The authors assume that the amount of an entrepreneur's external financing is limited by the amount of collateral she holds. They examine the implications for the monetary authority in such an environment.
Working Paper
Asset prices, nominal rigidities, and monetary policy
Should monetary policy respond to asset prices? This paper analyzes this question from the vantage point of equilibrium determinacy.
Working Paper
Price-level and interest-rate targeting in a model with sticky prices
An examination of a standard sticky-price monetary model whose conditions are perturbed relative to the canonical real-business-cycle model by two varying distortions: marginal cost and the nominal rate of interest. The paper explores the implications of two monetary policies that are frequently advocated: (1) an inflation target and (2) an interest rate target.
Working Paper
Estimating contract indexation in a financial accelerator model
This paper addresses the positive implications of indexing risky debt to observable aggregate conditions. These issues are pursued within the context of the celebrated financial accelerator model of Bernanke, Gertler and Gilchrist (1999). The principal conclusions include: (1) the estimated level of indexation is significant, (2) the business cycle properties of the model are significantly affected by this degree of indexation, (3) the importance of investment shocks in the business cycle depends upon the estimated level of indexation, and (4) although the data prefers the financial model ...
Journal Article
Stock prices and output growth: an examination of the credit channel
When stock market values fall, we know that investors expect lower economic growth in the future. But can stock market declines actually affect future growth? There is some evidence that they can-through the credit channel.
Working Paper
Taylor rules in a model that satisfies the natural rate hypothesis
The authors analyze the restrictions necessary to ensure that the interest-rate policy rule used by the central bank does not introduce real indeterminacy into the economy. They conduct this analysis in a flexible price economy and a sticky price model that satisfies the natural rate hypothesis. A necessary and sufficient condition for real determinacy in the sticky price model is that there must be nominal and real determinacy in the corresponding flexible price model. This arises if and only if the Taylor rule responds aggressively to lagged inflation rates.
Working Paper
Interest rate rules vs. money growth rules: a welfare comparison in a cash-in-advance economy
A consideration of the welfare consequences of two simple monetary policy rules--an interest rate peg and a money growth peg--in a dynamic general-equilibrium model, indicating that the interest rate rule dominates the money growth rule.
Working Paper
Fiscal multipliers under an interest rate peg of deterministic vs. stochastic duration
This paper revisits the size of the fiscal multiplier. The experiment is a fiscal expansion under the assumption of a pegged nominal rate of interest. We demonstrate that a quantitatively important issue is the articulation of the exit from the policy experiment. If the monetary-fiscal expansion is stochastic with a mean duration of T periods, the fiscal multiplier can be unboundedly large. However, if the monetary-fiscal expansion is for a fixed T periods, the multiplier is much smaller. Our explanation rests on a Jensen?s inequality type argument: the deterministic multiplier is convex in ...
Working Paper
Co-movement in sticky price models with durable goods
In an interesting paper Barsky, House, and Kimball (2005) demonstrate that in a standard sticky price model a monetary contraction will lead to a decline in nondurable goods production but an increase in durable goods production, so that aggregate output is little changed. This lack of co-movement between nondurables and durables is wildly at odds with the data and occurs because, by assumption, durable goods prices are relatively more flexible than nondurable goods prices. We investigate possible solutions to this puzzle: nominal wage stickiness and credit constraints. We demonstrate that by ...