Publications

Educators

Purchase

2009
Working Paper

Technology Innovation and Diffusion as Sources of Output and Asset Price Fluctuations

By: Diego A. Comin, Mark Gertler and Ana Maria Santacreu

We develop a model in which innovations in an economy's growth potential are an important driving force of the business cycle. The framework shares the emphasis of the recent "new shock" literature on revisions of beliefs about the future as a source of fluctuations,... View Details

Keywords: Business Cycles; Economic Growth; Asset Pricing; Technological Innovation; Mathematical Methods; System Shocks; Technology Adoption

2015
Working Paper

Networks and the Macroeconomy: An Empirical Exploration

By: Daron Acemoglu, Ufuk Akcigit and William Kerr

The propagation of macroeconomic shocks through input-output and geographic networks can be a powerful driver of macroeconomic fluctuations. We first exposit that in the presence of Cobb-Douglas production functions and consumer preferences there is a specific pattern... View Details

Keywords: Economic Fluctuations; Geographic Collocation; Input-output Linkages; Propagation; Shocks; Networks; Fluctuation; System Shocks; Macroeconomics

SSRN

2016
Chapter

Networks and the Macroeconomy: An Empirical Exploration

By: Daron Acemoglu, Ufuk Akcigit and William R. Kerr

The propagation of macroeconomic shocks through input-output and geographic networks can be a powerful driver of macroeconomic fluctuations. We first exposit that in the presence of Cobb-Douglas production functions and consumer preferences, there is a specific pattern... View Details

Keywords: Economic Fluctuations; Geographic Collocation; Input-output Linkages; Propagation; Shocks; Networks; Fluctuation; System Shocks; Macroeconomics

09 Jan 2014
Research & Ideas

The Entrepreneurs Who Invented Economic Forecasting

should, intervene to control economic fluctuations when economies got stuck in a suboptimal rut. In decades after World War II, econometric and policy-oriented forecasting came to dominate the field. Q: What... View Details

Keywords: by Sean Silverthorne

Article

Economic Impacts of Immigration: A Survey

By: Sari Pekkala Kerr and William R. Kerr

This paper surveys recent empirical studies on the economic impacts of immigration. The survey first examines the magnitude of immigration as an economic phenomenon in various host countries. The second part deals with the assimilation of immigrant workers into... View Details

Keywords: Surveys; Corporate Social Responsibility and Impact; Immigration; Economic Systems; Human Capital; Economic Slowdown and Stagnation; Fluctuation; Situation or Environment; Labor and Management Relations; United States; Europe

March 2019
Article

Economics of Converting Renewable Power to Hydrogen

By: Gunther Glenk and Stefan Reichelstein

The recent sharp decline in the cost of renewable energy suggests that the production of hydrogen from renewable power through a power-to-gas process might become more economical. Here we examine this alternative from the perspective of an investor who considers a... View Details

02 Sep 2019
What Do You Think?

Are Overlooked Forces Shielding the US from Severe Economic Downturns?

peterhowell Summing Up: Is the Current US Economic Expansion Primarily in the Hands of the Fed? New applications of technology and the expansion of the service economy may contribute to prolonged economic... View Details

Keywords: by James Heskett; Service

Research Summary

Overview

I am currently working on a series of projects that focus on three questions: (1) how currency fluctuations affect different types of firms across countries; (2) how various macroeconomic policies affect manufacturing growth in developing countries; (3) the... View Details

Keywords: Manufacturing; Africa; Development Economics; International Trade; Industrial Policy; India; Indonesia; Ethiopia

22 Mar 2007
News

In the New Liquidity Factories, Buyers Must Still Beware

2008
Dictionary Entry

Total Factor Productivity

By: Diego Comin

Total Factor Productivity (TFP) is the portion of output not explained by the amount of inputs used in production. The following definition describes the measurement and importance of TFP for growth, fluctuations and development as well as likely future directions of... View Details

Keywords: Business Cycles; Economic Growth; Measurement and Metrics; Production; Performance Productivity; Research

Sebastian Hillenbrand is an Assistant Professor in the Finance Unit at Harvard Business School. He teaches the Finance I course in the MBA required curriculum.

Sebastian’s research interests are in behavioral and... View Details

Article

Medium-term Business Cycles

By: Diego Comin and Mark Gertler

Over the postwar period, many industrialized countries have experienced significant medium-frequency oscillations between periods of robust growth versus relative stagnation. Conventional business cycle filters, however, tend to sweep these oscillations into the trend.... View Details

Keywords: Business Cycles; Fluctuation; Information Technology; Research and Development; Resource Allocation; Framework; Trends; Performance Efficiency; Performance Productivity

February 2023
Article

Nonprofits in Good Times and Bad Times

By: Christine L. Exley, Nils H. Lehr and Stephen J. Terry

Need fluctuates over the business cycle. We conduct a survey revealing a desire for nonprofit activities to countercyclically expand during downturns. We then demonstrate, using comprehensive U.S. nonprofit data drawn from millions of tax returns, that the public's... View Details

Keywords: Nonprofit Organizations; Business Cycles; Philanthropy and Charitable Giving

2007
Working Paper

How Is Foreign Aid Spent? Evidence from a Natural Experiment

By: Eric D. Werker, Faisal Z. Ahmed and Charles Cohen

We use oil price fluctuations to construct a new instrument to test the impact of transfers from wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous variation in foreign aid. We investigate how aid is spent by tracking its... View Details

Keywords: International Finance; Energy Sources; Energy Industry; Asia

July 2009
Article

How Is Foreign Aid Spent? Evidence from a Natural Experiment

By: Eric D. Werker, Faisal Z. Ahmed and Charles Cohen

We use oil price fluctuations to test the impact of transfers from wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous variation in foreign aid. We investigate how aid is spent by tracking its short-run effect on aggregate... View Details

Keywords: Foreign Aid; Money

29 Sep 2010
Working Paper Summaries

Medium Term Business Cycles in Developing Countries

Keywords: by Diego Comin, Norman Loayza, Farooq Pasha & Luis Serven

How Is Foreign Aid Spent?

We use oil price fluctuations to test the impact of transfers from wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous variation in foreign aid. We investigate how aid is spent by tracking its short-run effect on... View Details

2022
Article

Reversible Power-to-Gas Systems for Energy Conversion and Storage

By: Gunther Glenk and Stefan Reichelstein

In the transition to decarbonized energy systems, Power-to-Gas (PtG) processes have the potential to connect the existing markets for electricity and hydrogen. Specifically, reversible PtG systems can convert electricity to hydrogen at times of ample power supply, yet... View Details

January 2009 (Revised January 2011)
Background Note

The Great Moderation, Dead or Alive?

By: Diego A. Comin

The Great Moderation is a significant decline in the volatility of fluctuations in most macroeconomic variables that the United States and other developed and developing economies have experienced at least since the mid-1980s. This case describes the basic facts,... View Details

Keywords: Volatility; Business Cycles; Macroeconomics; United States