Search Results
Working Paper
Complementarity and Macroeconomic Uncertainty
Macroeconomic uncertainty—the conditional volatility of the unforecastable component of a future value of a time series—shows considerable variation in the data. A typical assumption in business cycle models is that production is Cobb-Douglas. Under that assumption, this paper shows there is usually little, if any, endogenous variation in output uncertainty, and first moment shocks have similar effects in all states of the economy. When the model departs from Cobb-Douglas production and assumes capital and labor are gross complements, first-moment shocks have state-dependent effects and ...
Working Paper
A New Way to Quantify the Effect of Uncertainty
This paper develops a new way to quantify the effect of uncertainty and other higher-order moments. First, we estimate a nonlinear model using Bayesian methods with data on uncertainty, in addition to common macro time series. This key step allows us to decompose the exogenous and endogenous sources of uncertainty, calculate the effect of volatility following the cost of business cycles literature, and generate data-driven policy functions for any higherorder moment. Second, we use the Euler equation to analytically decompose consumption into several terms--expected consumption, the ex-ante ...
Working Paper
Forward guidance and the state of the economy
This paper examines forward guidance using a nonlinear New Keynesian model with a zero lower bound (ZLB) constraint on the nominal interest rate. Forward guidance is modeled with news shocks to the monetary policy rule. The effectiveness of forward guidance depends on the state of the economy, the speed of the recovery, the ZLB constraint, the degree of uncertainty, the monetary response to inflation, the size of the news shocks, and the forward guidance horizon. Specifically, the stimulus from forward guidance falls as the economy deteriorates or as households expect a slower recovery. When ...
Entry, Exit of Firms Amplify the Business Cycle
When new businesses are created, they generate new jobs. When unprofitable businesses close, employees lose their jobs. Given the connection between firm entry and exit and changes in employment, it is natural to ask how this entry and exit affects the broader business cycle.
Working Paper
Valuation Risk Revalued
The recent asset pricing literature finds valuation risk is an important determinant of key asset pricing moments. Valuation risk is modelled as a time preference shock within Epstein-Zin recursive utility preferences. While this form of valuation risk appears to fit the data extremely well, we show the preference specification violates an economically meaningful restriction on the weights in the Epstein-Zin time-aggregator. The same model with the corrected preference specification performs nearly as well at matching asset pricing moments, but only if the risk aversion parameter is well ...
Working Paper
The stimulative effect of forward guidance
This paper examines the stimulative effect of central bank forward guidance?the promise to keep future policy rates lower than its policy rule suggests?when the short-term nominal interest rate is stuck at its zero lower bound (ZLB).We utilize a standard New Keynesian model in which forward guidance enters our model as news shocks to the monetary policy rule. Three key findings emerge: (1) Forward guidance is more stimulative at the ZLB when households believe the economic recovery will be strong. When households expect a weak recovery or initially have low confidence in the economy, forward ...
Working Paper
The Business Cycle Mechanics of Search and Matching Models
This paper estimates a real business cycle model with unemployment driven by shocks to labor productivity and the job separation rate. We make two contributions. First, we develop a new identification scheme based on the matching elasticity that allows the model to perfectly match a range of labor market moments, including the volatilities of unemployment and vacancies. Second, we use our model to revisit the importance of shocks to the job separation rate and highlight how their correlation with labor productivity affects their transmission mechanism.
Working Paper
Nonlinear Search and Matching Explained
Competing explanations for the sources of nonlinearity in search and matching modelsindicate that they are not fully understood. This paper derives an analytical solution to atextbook model that highlights the mechanisms that generate nonlinearity and quantifiestheir contributions. Procyclical variation in the matching elasticity creates nonlinearity inthe job finding rate, which interacts with the law of motion for unemployment. These resultsshow the matching function choice is not innocuous. Quantitatively, the Den Haan et al.(2000) matching function more than doubles the skewness of ...
Job vacancy, unemployment relationship clouds ‘soft landing’ prospects
Some economists have argued that because the job vacancy rate has been well above its prepandemic level, there is plenty of room for vacancies to fall before the unemployment rate must rise.
Working Paper
COVID-19: A View from the Labor Market
This paper examines the response of the U.S. labor market to a large and persistent job separation rate shock, motivated by the ongoing economic effects of the COVID-19 pandemic. We use nonlinear methods to analytically and numerically characterize the responses of vacancy creation and unemployment. Vacancies decline in response to the shock when firms expect persistent job destruction and the number of unemployed searching for work is low. Quantitatively, under our baseline forecast the unemployment rate peaks at 19.7%, 2 months after the shock, and takes 1 year to return to 5%. Relative to ...