Erik Hurst

Martin Eichenbaum

The NBER Macroeconomics Annual 2021 presents research-central issues in contemporary macroeconomics. Robert Hall and Marianna Kudlyak examine unemployment dynamics during economic recoveries. They present new empirical findings and explore models in which the labor market gradually draws down the stock of unemployed workers in the aftermath of a downturn. Titan Alon, Sena Coskun, Matthias Doepke, David Koll, and Michèle Tertilt analyze the relative decline in employment of women during the COVID-19 pandemic and the associated global recession. They show that increased childcare needs, which fell more heavily on women, and differences in occupations both contributed. In the case of the US, however, each of these factors account for less than 20% of the gender gap in hours worked during the pandemic. Richard Rogerson and Johanna Wallenius study the employment rates of older workers in OECD countries over the last forty years. An expansion of institutions incentivizing retirement, concurrent with negative aggregate shocks between 1970 and 1995, led to falling employment rates. This trend started to reverse in the mid-1990s when many of these institutions, such as public pension programs, were cut back. Michael Barnett, William Brock, and Lars Peter Hansen explore the consequences of risk, ambiguity, and model misspecification in climate policy design. They consider carbon emissions pricing and the effects of different sources of uncertainty--such as future information about environmental damage, uncertainties in carbon and temperature dynamics and damage functions, and the role of future green technologies--on policy design. Michael Kremer, Jack Willis, and Yang You present new evidence suggesting a steady trend toward income convergence across countries since the late 1980s. They find convergence in various determinants of economic growth across countries and a flattening of the relationship between growth and these determinants. The paper challenges theories of growth arising after earlier rejections of the neoclassical growth model.

Volume 36

NBER Macroeconomics Annual 2021

Jonathan A. Parker

This year, the NBER Macroeconomics Annual celebrates its thirtieth volume. The first two papers examine China’s macroeconomic development. “Trends and Cycles in China's Macroeconomy” by Chun Chang, Kaiji Chen, Daniel F. Waggoner, and Tao Zha outlines the key characteristics of growth and business cycles in China. “Demystifying the Chinese Housing Boom” by Hanming Fang, Quanlin Gu, Wei Xiong, and Li-An Zhou constructs a new house price index, showing that Chinese house prices have grown by ten percent per year over the past decade. The third paper, “External and Public Debt Crises” by Cristina Arellano, Andrew Atkeson, and Mark Wright, asks why there appear to be large differences across countries and subnational jurisdictions in the effect of rising public debts on economic outcomes. The fourth, “Networks and the Macroeconomy: An Empirical Exploration” by Daron Acemoglu, Ufuk Akcigit, and William Kerr, explains how the network structure of the US economy propagates the effect of gross output productivity shocks across upstream and downstream sectors. The fifth and sixth papers investigate the usefulness of surveys of household’s beliefs for understanding economic phenomena. “Expectations and Investment,” by Nicola Gennaioli, Yueran Ma, and Andrei Shleifer, demonstrates that a chief financial officer's expectations of a firm's future earnings growth is related to both the planned and actual future investment of that firm. “Declining Desire to Work and Downward Trends in Unemployment and Participation” by Regis Barnichon and Andrew Figura shows that an increasing number of prime-age Americans who are not in the labor force report no desire to work and that this decline accelerated during the second half of the 1990s.

NBER Macroeconomics Annual 2015

NBER Macroeconomics Annual 2020 presents research by leading scholars on central issues in contemporary macroeconomics. George-Marios Angeletos, Zhen Huo, and Karthik Sastry ask how to model expectations without rational expectations. They find that in response to business cycle shocks, expectations underreact initially but eventually overshoot, which in their view favors models with dispersed, noisy information and overextrapolation of expectations. Next, Esteban Rossi-Hansberg, Pierre-Daniel Sarte, and Nicholas Trachter contrast the patterns of rising aggregate firm market concentration with falling market concentration over time at the local level. Some associate rising concentration with less competition and more market power, but because most product markets are local, studying changes in local competition, as opposed to trends in aggregate competition, provides important insights. Adam Guren, Alisdair McKay, Emi Nakamura, and Jón Steinsson develop a novel econometric procedure to recover structural parameters using cross-region variation, for example, to estimate direct effects of housing wealth changes on individual household consumption. To avoid confounding direct and indirect effects, the authors isolate the direct effect of house price changes on consumption by using other estimates of demand multipliers from the local government spending literature to deflate estimates of the total effect of local consumption on local house prices. Peter Klenow and Huiyu Li examine the sources of reduced productivity growth by quantifying the contribution of innovation to economic growth. They find that young firms generate roughly half the productivity growth, most of the changes in productivity during the mid-1990s are accounted for by older firms, and most growth results from quality improvements on incumbents’ own products. In the fifth chapter, Fatih Guvenen, Greg Kaplan, and Jae Song use detailed micro panel data from the Social Security Administration to assess the progress women have made into the top 1% and top 0.1% of the income distribution over time. Finally, Joachim Hubmer, Per Krusell, and Anthony Smith Jr. explore the reasons for growing wealth inequality across the developed world. They argue that the significant drop in tax progressivity starting in the late 1970s was the most important source of growing wealth inequality in the United States. The sharp observed increases in earnings inequality and the falling labor share cannot account for the bulk of the increase in wealth inequality.

Volume 35

NBER Macroeconomics Annual 2020

Charles Evans

Lawrence J. Christiano

This paper uses the Flow of Funds accounts to assess the impact of a monetary policy shock on the borrowing and lending activities of different sectors of the economy. Our measures of contractionary monetary policy shocks have the following properties: (i) they are associated with a fall in nonborrowed reserves, total reserves, M1, the Federal Reserves' holdings of government securities and a rise in the federal funds rate, (ii) they lead to persistent declines in real GNP, employment, retail sales and nonfinancial corporate profits as well as increases in unemployment and manufacturing inventories, (iii) they generate sharp, persistent declines in commodity prices and (iv) the GDP price deflator does not respond to them for roughly a year. After that the GDP price deflator declines. Our major findings regarding the borrowing activities of different sectors can be summarized as follows. First, following a contractionary shock to monetary policy, net funds raised by the business sector increases for roughly a year. Thereafter, as the recession induced by the policy shock gains momentum, net funds raised by the business sector begins to fall. This pattern is not captured by existing monetary business cycle models. Second, we cannot reject the view that households do not adjust their financial assets and liabilities for several quarters after a monetary shock. This is consistent with a key assumption of several recent monetary business cycle models.

Some Evidence from the Flow of Funds

The Effects of Monetary Policy Shocks

The thirty-fourth volume of the NBER Macroeconomics Annual features theoretical and empirical studies of issues in contemporary macroeconomics and a keynote address by James Stock, a member of President Obama’s Council of Economic Advisers from 2013 to 2014. Chong-en Bai, Chang-Tai Hsieh, and Zheng Song examine the “special deals” provided by Chinese local governments to favored private firms and their effects on economic growth. Matias Covarrubias, Germán Gutiérrez, and Thomas Philippon study the evolution of profits, investment, and market shares in US industries over the past forty years and find evidence of inefficient concentration and barriers to entry since 2000. David Debortoli, Jordi Galí, and Luca Gambetti assess whether recent economic performance was affected by a binding zero lower bound constraint on the interest rate. Michael McLeay and Silvana Tenreyro explain why it is difficult to empirically identify the Phillips curve (a key element of the policy framework used by central banks) using aggregate data. The authors suggest using regional variation in unemployment and inflation to estimate the relationship between these variables. Margherita Borella, Mariacristina De Nardi, and Fang Yang examine the effects of shorter life expectancies, higher medical expenses, and lower wages for white, non-college-educated Americans born in the 1960s on labor supply and retirement savings. Nir Jaimovich, Sergio Rebelo, Arlene Wong, and Miao Ben Zhang investigate the role that increases in the quality of the goods consumed (“trading up”) played in the rise of the skill premium that occurred in the last four decades.

Martin Eichenbaum

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