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Journal Article
Measuring the Stance of Monetary Policy on and off the Zero Lower Bound
Taeyoung Doh and Jason Choi propose a new ?shadow? short-term interest rate to measure the stance of policy when the federal funds rate was constrained by the zero lower bound.
Working Paper
Long run risks in the term structure of interest rates: estimation
This paper specifies and estimates a long run risks model with inflation by using the nominal term structure data in the United States from 1953 to 2006. The negative correlation between expected inflation and expected consumption growth in conjunction with the Epstein-Zin (1989) recursive preferences generates an upward sloping yield curve and fits the yield curve data better than the alternative specifications. However, the variations of the forward looking components of consumption growth and inflation in the estimated model are much smaller than implied by calibrated parameter values in ...
Working Paper
Monetary policy regime shifts and inflation persistence
This paper reports the results of estimating a Markov-Switching New Keynesian (MSNK) model using Bayesian methods. The broadest and best fitting MSNK model is a four-regime model allowing independent changes in the regimes governing monetary policy and the volatility of the shocks. We use the estimates to investigate the mechanisms that lead to a decline in the persistence of inflation. We show that the population moment describing the serial correlation of inflation is a weighted average of the autocorrelation parameters of the exogenous shocks. Changes in the monetary or shock volatility ...
Journal Article
The Employment Effect of an Increase in the National Minimum Wage: Review of International Evidence
Increasing the federal minimum wage gradually and steadily may help minimize negative employment effects.Recent U.S. proposals to increase the federal minimum wage from $7.25 per hour to $15 per hour have not yet come to fruition. One challenge in implementing minimum wage increases is estimating the potential effect on employment. Past increases in the federal minimum wage have been modest and are unlikely to provide much insight into employment effects. International experiences with large minimum wage increases may provide more insight by accounting for greater variation in firm exposure ...
Journal Article
Assessing the Risk of Extreme Unemployment Outcomes
Although the unemployment rate is at a historically low level, many policymakers are nevertheless watching projections for the future unemployment rate closely to evaluate the risk of extreme outcomes. We assess the probabilities of extreme outcomes in the near and medium term and find that the risk of unexpectedly high unemployment three years in the future has declined from its Great Recession peak and remained low over the past three years.
Working Paper
Shocks, Frictions, and Policy Regimes: Understanding Inflation after the COVID-19 Pandemic
We set- up a two-sector New Keynesian model with input-output linkages to study the persistently high inflation during the post-COVID-19 period. We include multiple shocks as well as several amplification channels of these shocks in a parsimonious model to quantify the relative importance of each factor. We calibrate the model to match the pre-COVID-19 data and alter parameters governing 1) the fiscal rule, 2) inflation feedback in the monetary policy rule, 3) elasticity of substitution among intermediary inputs in production, and 4) the size of a sectoral demand shift shock to explain the ...
Working Paper
A Bayesian evaluation of alternative models of trend inflation
With the concept of trend inflation now widely understood as to be important as a measure of the public's perception of the inflation goal of the central bank and important to the accuracy of longer-term inflation forecasts, this paper uses Bayesian methods to assess alternative models of trend inflation. Reflecting models common in reduced-form inflation modeling and forecasting, we specify a range of models of inflation, including: AR with constant trend; AR with trend equal to last period's inflation rate; local level model; AR with random walk trend; AR with trend equal to the long-run ...
Working Paper
A Bayesian evaluation of alternative models of trend inflation
The concept of trend inflation is important in making accurate inflation forecasts. However, there is little consensus on how the trend in inflation should be modeled. While some studies suggest a survey-based measure of long-run inflation expectations as a good empirical proxy for trend inflation, others have argued for a statistical exercise of decomposing inflation data into trend and cycle components. In this paper, we assess alternative models of trend inflation based on the accuracy of medium-term inflation forecasts. To incorporate recent evidence on the time-varying macroeconomic ...
Working Paper
Non-stationary hours in a DSGE model
The time series fit of dynamic stochastic general equilibrium (DSGE) models often suffers from restrictions on the long-run dynamics that are at odds with the data. Relaxing these restrictions can close the gap between DSGE models and vector autoregressions. This paper modifies a simple stochastic growth model by incorporating permanent labor supply shocks that can generate a unit root in hours worked. Using Bayesian methods we estimate two versions of the DSGE model: the standard specification in which hours worked are stationary and the modified version with permanent labor supply shocks. ...
Working Paper
The Economic Effects of a Rapid Increase in the Minimum Wage: Evidence from South Korea Experiments
South Korea raised the nationwide minimum wage substantially in 2018 and 2019, and the minimum wage rose from 53 percent of the median wage to 63 percent. While the minimum wage has been increasing steadily over decades, the rapid pace in 2018–19 was largely unexpected and driven by a sudden shift in the political environment. We study the economic effects of this minimum wage hike on employment, wages, and labor productivity using South Korean manufacturing firm data. To ensure that sector-specific factors do not drive our main results, we supplement our analysis with data sources covering ...