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Working Paper
Time-varying risk, interest rates and exchange rates in general equilibrium
Kehoe, Patrick J.; Alvarez, Fernando; Atkeson, Andrew (2005)
Time-varying risk is the primary force driving nominal interest rate differentials on currency-denominated bonds. This finding is an immediate implication of the fact that exchange rates are roughly random walks. We show that a general equilibrium monetary model with an endogenous source of risk variation?a variable degree of asset market segmentation?can produce key features of actual interest rates and exchange rates. The endogenous segmentation arises from a fixed cost for agents to exchange money for assets. As inflation varies, the benefit of asset market participation varies, and that ...
Working Papers , Paper 627

Working Paper
The time consistency of monetary and fiscal policies
Neumeyer, Pablo Andrés; Kehoe, Patrick J.; Alvarez, Fernando (2002)
Are optimal monetary and fiscal policies time consistent in a monetary economy? Yes, but if and only if under commitment the Friedman rule of setting nominal interest rates to zero is optimal. This result is of applied interest because the Friedman rule is optimal for the standard preferences used in applied work, those consistent with the growth facts. (Replaced by Staff Report No: 305)
Working Papers , Paper 616

Report
The Monetary and Fiscal History of Brazil, 1960-2016
Kehoe, Patrick J.; Ayres, Joao Luiz; Guillen, Diogo; Garcia, Marcio (2018-12-20)
Brazil has had a long period of high inflation. It peaked around 100 percent per year in 1964, decreased until the first oil shock (1973), but accelerated again afterward, reaching levels above 100 percent on average between 1980 and 1994. This last period coincided with severe balance of payments problems and economic stagnation that followed the external debt crisis in the early 1980s. We show that the high-inflation period (1960-1994) was characterized by a combination of fiscal deficits, passive monetary policy, and constraints on debt financing. The transition to the low-inflation period ...
Staff Report , Paper 575

Working Paper
Money, interest rates, and exchange rates with endogenously segmented asset markets
Kehoe, Patrick J.; Alvarez, Fernando; Atkeson, Andrew (2000)
This paper analyzes the effects of money injections on interest rates and exchange rates in a model in which agents must pay a Baumol-Tobin style fixed cost to exchange bonds and money. Asset markets are endogenously segmented because this fixed cost leads agents to trade bonds and money only infrequently. When the government injects money through an open market operation, only those agents that are currently trading absorb these injections. Through their impact on these agents? consumption, these money injections affect real interest rates and real exchange rates. We show that the model ...
Working Papers , Paper 605

Report
Evolution of Modern Business Cycle Models: Accounting for the Great Recession
Kehoe, Patrick J.; Pastorino, Elena; Midrigan, Virgiliu (2018-06-14)
Modern business cycle theory focuses on the study of dynamic stochastic general equilibrium models that generate aggregate fluctuations similar to those experienced by actual economies. We discuss how this theory has evolved from its roots in the early real business cycle models of the late 1970s through the turmoil of the Great Recession four decades later. We document the strikingly different pattern of comovements of macro aggregates during the Great Recession compared to other postwar recessions, especially the 1982 recession. We then show how two versions of the latest generation of real ...
Staff Report , Paper 566

Report
Credit Frictions in the Great Recession
Pastorino, Elena; Lopez, Pierlauro; Midrigan, Virgiliu; Kehoe, Patrick J. (2020-12-15)
Although a credit tightening is commonly recognized as a key determinant of the Great Recession, to date, it is unclear whether a worsening of credit conditions faced by households or by firms was most responsible for the downturn. Some studies have suggested that the household-side credit channel is quantitatively the most important one. Many others contend that the firm-side channel played a crucial role. We propose a model in which both channels are present and explicitly formalized. Our analysis indicates that the household-side credit channel is quantitatively more relevant than the ...
Staff Report , Paper 617

Working Paper
On the need for fiscal constraints in a monetary union
Chari, V. V.; Kehoe, Patrick J. (1998)
Working Papers , Paper 589

Conference Paper
Optimal fiscal and monetary policy: some recent results
Kehoe, Patrick J.; Chari, V. V.; Christiano, Lawrence J. (1991)
Proceedings

Working Paper
A critique of structural VARs using real business cycle theory
Chari, V. V.; Kehoe, Patrick J.; McGrattan, Ellen R. (2005)
The main substantive finding of the recent structural vector autoregression literature with a differenced specification of hours (DSVAR) is that technology shocks lead to a fall in hours. Researchers have used these results to argue that business cycle models in which technology shocks lead to a rise in hours should be discarded. We evaluate the DSVAR approach by asking, is the specification derived from this approach misspecified when the data are generated by the very model the literature is trying to discard? We find that it is misspecified. Moreover, this misspecification is so great that ...
Working Papers , Paper 631

Report
Sophisticated monetary policies
Kehoe, Patrick J.; Chari, V. V.; Atkeson, Andrew (2009)
In standard approaches to monetary policy, interest rate rules often lead to indeterminacy. Sophisticated policies, which depend on the history of private actions and can differ on and off the equilibrium path, can eliminate indeterminacy and uniquely implement any desired competitive equilibrium. Two types of sophisticated policies illustrate our approach. Both use interest rates as the policy instrument along the equilibrium path. But when agents deviate from that path, the regime switches, in one example to money; in the other, to a hybrid rule. Both lead to unique implementation, while ...
Staff Report , Paper 419

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