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Working Paper
Interpreting Shocks to the Relative Price of Investment with a Two-Sector Model
Consumption and investment comove over the business cycle in response to shocks that permanently move the price of investment. The interpretation of these shocks has relied on standard one-sector models or on models with two or more sectors that can be aggregated. However, the same interpretation continues to go through in models that cannot be aggregated into a standard one-sector model. Furthermore, such a two-sector model with distinct factor input shares across production sectors and commingling of sectoral outputs in the assembly of final consumption and investment goods, in line with ...
Working Paper
Monetary Policy Strategies for a Low-Rate Environment
In low-rate environments, policy strategies that involve holding rates ?lower for longer? (L4L) may mitigate the effects of the effective lower bound (ELB). However, these strategies work in part by managing the public?s expectations, which is not always realistic. Using the Fed?s large-scale macroeconometric model, we study the effectiveness of L4L policies when financial market participants are forward-looking but other agents are not. We find that the resulting limited ability to manage expectations reduces but does not eliminate the advantages of L4L policies. The best policies provide ...
Working Paper
Bank Liquidity and Capital Regulation in General Equilibrium
We develop a nonlinear dynamic general equilibrium model with a banking sector and use it to study the macroeconomic impact of introducing a minimum liquidity standard for banks on top of existing capital adequacy requirements. The model generates a distribution of bank sizes arising from differences in banks' ability to generate revenue from loans and from occasionally binding capital and liquidity constraints. Under our baseline calibration, imposing a liquidity requirement would lead to a steady-state decrease of about 3 percent in the amount of loans made, an increase in banks' holdings ...
Working Paper
Growth Effects of Progressive Taxation
Criticisms of endogenous growth models with flat rate taxes have highlighted two features that are not substantiated by the data. These models generally imply: (1) that economic growth must fall with the share of government expenditures in output across countries, and (2) that one-time shifts in marginal tax rates should instantaneously lead to similar shifts in output growth. In contrast, we show that allowing for heterogenous households and progressive taxes into otherwise conventional linear growth models radically changes these predictions. In particular, economic growth does not have to ...
Working Paper
Uninsured risk, stagnation, and fiscal policy
Japan is in the midst of a protracted spell of depressed economic activity. Japan's economic stagnation has occurred against a background of rising earnings risk. Occupational stability is falling as routine occupations disappear and implicit lifetime employment guarantees are gradually disappearing. At the same time, earnings in some high-skilled occupations have continued to grow. The resulting polarization in earnings has also been accompanied by an increase in wealth inequality. We develop a framework that relates these observations. In our model, an increase in uninsured earnings risk ...
Working Paper
A moment-matching method for approximating vector autoregressive processes by finite-state Markov chains
This paper proposes a moment-matching method for approximating vector autoregressions by finite-state Markov chains. The Markov chain is constructed by targeting the conditional moments of the underlying continuous process. The proposed method is more robust to the number of discrete values and tends to outperform the existing methods for approximating multivariate processes over a wide range of the parameter space, especially for highly persistent vector autoregressions with roots near the unit circle.
Working Paper
Synergizing Ventures
Venture capital (VC) and growth are examined both empirically and theoretically. Empirically, VC-backed startups have higher early growth rates and initial patent quality than non-VC-backed ones. VC backing increases a startup's likelihood of reaching the right tails of the firm size and innovation distributions. Furthermore, outcomes are better for startups matched with more experienced venture capitalists. An endogenous growth model, where venture capitalists provide both expertise and financing for business startups, is constructed to match these facts. The presence of venture capital, the ...
Working Paper
Disasters Everywhere: The Costs of Business Cycles Reconsidered
Business cycles are costlier and stabilization policies more beneficial than widely thought. This paper shows that all business cycles are asymmetric and resemble mini “disasters”. By this we mean that growth is pervasively fat-tailed and non-Gaussian. Using long-run historical data, we show empirically that this is true for all advanced economies since 1870. Focusing on the peacetime sample, we develop a tractable local projection framework to estimate consumption growth paths for normal and financial-crisis recessions. Using random coefficient local projections we get an easy and ...
Working Paper
Learning about Regime Change
Total factor productivity (TFP) and investment specific technology (IST) growth both exhibit regime-switching behavior, but the regime at any given time is difficult to infer. We build a rational expectations real business cycle model where the underlying TFP and IST regimes are unobserved. We then develop a general perturbation solution algorithm for a wide class of models with unobserved regime-switching. Using our method, we show that learning about regime-switching alters the responses to regime shifts and intra-regime shocks, increases asymmetries in the responses, generates forecast ...