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Working Paper
Energy price shocks and the macroeconomy: the role of consumer durables
So far, the literature on dynamic stochastic general equilibrium models with energy price shocks uses energy on the production side only. In these models, energy shocks are responsible for only a negligible share of output fluctuations. We study the robustness of this finding by explicitly modeling private consumption of energy at the household level in addition to energy use at the firm level to account for total energy use in the economy. Additionally, we distinguish between investment in consumer durables and investment in capital goods. The model economy is calibrated to match total ...
Journal Article
How resilient is the modern economy to energy price shocks?
While many empirical economists claim that energy price shocks drive U.S. business cycles, economists using dynamic stochastic general equilibrium (DSGE) models believe that business cycles are caused mainly by productivity shocks. ; The authors reconcile the two views by constructing a DSGE model that incorporates energy use into the production function. Calibrating the model properties to match annual U.S. data from 1970 to 2005, they undertake two different experiments. The first incorporates a negative correlation between energy prices shocks and productivity as observed before 1985, and ...
Working Paper
Productivity, energy prices, and the Great Moderation: a new link
We study how total factor productivity (TFP), energy prices, and the Great Moderation are linked. First we estimate a joint stochastic process for the energy price and TFP and establish that until the second quarter of 1982, energy prices negatively affected productivity. This spillover has since disappeared. Second, we show that within the framework of a dynamic stochastic general equilibrium model, the disappearance of this energy-productivity spillover generates the significantly lower volatility of output and its components. Specifically, the change in the joint stochastic process ...
Working Paper
Taylor rules with headline inflation: a bad idea
Should a central bank accommodate energy price shocks? Should the central bank use core inflation or headline inflation with the volatile energy component in its Taylor rule? To answer these questions, we build a dynamic stochastic general equilibrium model with energy use, durable goods, and nominal rigidities to study the effects of an energy price shock and its impact on the macroeconomy when the central bank follows a Taylor rule. We then study how the economy performs under alternative parameterizations of the rule with different weights on headline and core inflation after an increase ...
Working Paper
What determines the output drop after an energy price increase: household or firm energy share?
During the past thirty-five years, energy use as a fraction of output has dropped significantly at both the household and the firm levels. Therefore, we investigate a dynamic stochastic generalized equilibrium model economy's response to an energy price hike for different firm and household energy shares. Simulation results indicate that the economy's output response is mainly determined by the firm energy share. Increasing the household energy share while keeping firm energy share constant actually decreases the output response.