Stefano Eusepi

The design of monetary and fiscal policy: A global perspective

We study the the emergence of multiple equilibria in models with capital and bonds under various monetary and fiscal policies. We show that the presence of capital is indeed another independent source of local and global multiplicites, even under active policies that yield local determinacy. We also show how a very similar mechanism generates multiplicities in models with bonds and distortionary taxation. We then explore the design of monetary policies that avoid multiple equilibria. We show that interest rate policies that respond to the output gap, while potentially a source of significant inefficiencies, may be effective in preventing multiple equilibria and costly oscillatory equilibrium dynamics

Did the Great Inflation Occur Despite Policymaker Commitment to a Taylor Rule

The authors study the hypothesis that misperceptions of trend productivity growth during the onset of the productivity slowdown in the United States caused much of the great inflation of the 1970s. They use the general equilibrium, sticky price framework of Woodford (2002), augmented with learning using the techniques of Evans and Honkapohja (2001). The authors allow for endogenous investment as well as explicit, exogenous growth in productivity and the labor input. They assume the monetary policymaker is committed to using a Taylor-type policy rule. The authors study how this economy reacts to an unexpected change in the trend productivity growth rate under learning. They find that a substantial portion of the observed increase in inflation during the 1970s can be attributed to this source.

Fitting observed inflation expectations

This paper provides evidence on the extent to which inflation expectations generated by a standard Christiano et al. (2005)/Smets and Wouters (2003)?type DSGE model are in line with what is observed in the data. We consider three variants of this model that differ in terms of the behavior of, and the public?s information on, the central banks? inflation target, allegedly a key determinant of inflation expectations. We find that: 1) time-variation in the inflation target is needed to capture the evolution of expectations during the post-Volcker period; 2) the variant where agents have imperfect information is strongly rejected by the data; 3) inflation expectations appear to contain information that is not present in the other series used in estimation; and 4) none of the models fully captures the dynamics of this variable.

LABOR SUPPLY HETEROGENEITY AND MACROECONOMIC CO-MOVEMENT

Standard real-business-cycle models must rely on total factor productivity (TFP) shocks to explain the observed co-movement between consumption, investment and hours worked. This paper shows that a neoclassical model consistent with observed heterogeneity in labor supply and consumption, can generate co-movement in absence of TFP shocks. Intertemporal substitution of goods and leisure induces co-movement over the business cycle through heterogeneity in consumption behavior of employed and unemployed workers. The result is due to two model features that are introduced to capture important characteristics of US labor market data. First, individual consumption is affected by the number of hours worked with employed consuming more on average than unemployed. Second, changes in the employment rate, a central explanator of total hours variation, then affects aggregate consumption. Demand shocks --- such as shifts in the marginal efficiency of investment, government spending shocks and news shocks --- are shown to generate economic fluctuations consistent with observed business cycles.

CONDI: a cost-of-nominal-distortions index

We construct a price index with weights for the prices of different PCE (personal consumption expenditures) goods chosen to minimize the welfare costs of nominal distortions. In this cost-of-nominal-distortions index (CONDI), the weights are computed in a multi-sector New Keynesian model with time-dependent price setting. The model is calibrated using U.S. data on the dispersion of price stickiness and labor shares across sectors. We find that the CONDI weights depend mostly on price stickiness and are less affected by the dispersion in labor shares. Moreover, CONDI stabilization closely approximates the optimal monetary policy and leads to negligible welfare losses. Finally, CONDI is better approximated by targeting core inflation rather than headline inflation - and is even better approximated with an adjusted core index that covers total expenditures excluding autos, clothing, energy, and food at home, but including food away from home.

The Science of Monetary Policy: An Imperfect Knowledge Perspective

New Keynesian theory identifies a set of principles central to the design and implementation of monetary policy. These principles rely on the ability of a central bank to manage expectations precisely, with policy prescriptions typically derived under the assumption of perfect information and full rationality. However, the challenging macroeconomic environment bequeathed by the financial crisis has led many to question the efficacy of monetary policy, and, particularly, to question whether central banks can influence expectations with as much control as previously thought. In this paper, we survey the literature on monetary policy design under imperfect knowledge and asses to what degree its policy prescriptions deviate from the rational expectations benchmark.

The FRBNY DSGE Model

The goal of this paper is to present the dynamic stochastic general equilibrium (DSGE) model developed and used at the Federal Reserve Bank of New York. The paper describes how the model works, how it is estimated, how it rationalizes past history, including the Great Recession, and how it is used for forecasting and policy analysis.

WHEN DOES DETERMINACY IMPLY EXPECTATIONAL STABILITY

We study the connections between determinacy of rational expectations equilibrium, and expectational stability or learnability of that equilibrium, in a relatively general New Keynesian model. Adoption of policies that induce both determinacy and learnability of equilibrium has been considered fundamental to successful policy in the literature. We ask what types of economic assumptions drive differences in the necessary and sufficient conditions for the two criteria. Our framework is sufficiently flexible to encompass lags in information, alternative pricing assumptions, a cost channel for monetary policy, and either Euler equation or infinite horizon approaches to learning. We are able to isolate conditions under which determinacy does and does not imply learnability, and also conditions under which long horizon forecasts make a clear difference to conclusions about expectational stability. The sharpest result is that informational delays break equivalence connections between determinacy and learnability.

Learning the fiscal theory of the price level: some consequences of debt management policy

This paper examines how the scale and composition of public debt can affect economies that implement a combination of “passive�? monetary policy and “active�? fiscal policy. This policy configuration is argued to be of both historical and contemporary interest in the cases of the U.S. and Japanese economies. It is shown that higher average levels and moderate average maturities of debt can induce macroeconomic instability under a range of policies specified as simple rules. However, interest rate pegs in combination with active fiscal policies almost always ensure macroeconomic stability. This finding suggests that in periods where the zero lower bound on nominal interest rates is a relevant constraint on policy design, a switch in fiscal regime is desirable.

Stabilizing Expectations under Monetary and Fiscal Policy Coordination

This technical appendix provides i) some calculations underlying the model used in Eusepi and Preston (2008); and ii) some additional results that both clarify our …ndings relative to earlier learning analyses on this topic and elucidate further the role of some assumptions.