Publications

Article

Diverging Trends in Macro and Micro Volatility

By: Diego Comin and Sunil Mulani

This paper documents the diverging trends in volatility of the growth rate of sales at the aggregate and firm level. We establish that the upward trend in micro volatility is not simply driven by a compositional bias in the sample studied. We argue that this new fact... View Details

Keywords: Volatility; Mathematical Methods; Theory; Sales; Growth and Development

October 2016 (Revised March 2019)
Case

Carrum Health: Scaling Bundled Payments

By: Robert S. Huckman and Sarah Mehta

Founded in 2014, Carrum Health helped self-insured employers located in three markets (San Diego, California; Seattle, Washington; and San Francisco, California) save money on their employees’ planned surgeries. It did so by contracting directly with top-quality... View Details

Keywords: Health Financing; Health Insurance; Value-based Healthcare Reimbursements; Bundled Payments; Innovation; Scale; Health; Health Care and Treatment; Cost Management; Growth and Development Strategy; Decision Choices and Conditions; Health Industry; California; San Francisco; San Diego; Seattle

2013
Working Paper

From Green Users to Green Voters

By: Diego Comin and Johannes Rode

We estimate the effect of the diffusion of photovoltaic (PV) systems on the fraction of votes obtained by the German Green Party. The logistic diffusion of PV systems offers a new identification strategy. We take first differences and instrument adoption rates (i.e.... View Details

Keywords: Voting; Political Elections; Technology Adoption; Environmental Sustainability; Green Technology Industry; Public Administration Industry; Germany

March 2012
Article

How Early Adoption Has Increased Wealth--Until Now

By: Diego Comin and Bart Hobijn

Societies that are better at utilizing tools are likely to be more productive. The authors have studied when 161 countries adopted 104 technologies over the past 200 years, and they conclude that profound economic advantages-as measured by per capita income-accrue to... View Details

Keywords: Technology Adoption; Wealth; Development Economics; Performance Productivity; Competitive Advantage

2005
Article

The Rise in Firm-Level Volatility: Causes and Consequences

By: Diego Comin and Thomas Philippon

We document that the recent decline in aggregate volatility has been accompanied by a large increase in firm level risk. The negative relationship between firm and aggregate risk seems to be present across industries in the US, and across OECD countries. Firm... View Details

Keywords: Volatility; Risk Management; Relationships; Research and Development; Financing and Loans; Industry Growth; Governing Rules, Regulations, and Reforms; Economy; Outcome or Result; United States

Article

R&D: A Small Contribution to Productivity Growth

By: Diego Comin

In this paper I evaluate the contribution of R&D investments to productivity growth. The basis for the analysis are the free entry condition and the fact that most R&D innovations are embodied. Free entry yields a relationship between the resources devoted to R&D and... View Details

Keywords: Research and Development; Investment; Interest Rates; Performance Productivity; Technological Innovation; Perspective; United States

November 2009
Journal Article

A Theory of Growth and Volatility at the Aggregate and Firm Level

By: Diego A. Comin and Sunil Mulani

This paper presents an endogenous growth model that explains the evolution of the first and second moments of productivity growth at the aggregate and firm level during the post-war period. Growth is driven by the development of both (i) idiosyncratic R&D innovations... View Details

Keywords: Volatility; Microeconomics; Innovation and Invention; Growth and Development Strategy; Resource Allocation; Performance Productivity; Mathematical Methods; Research and Development

2011
Chapter

An Exploration of the Japanese Slowdown during the 1990s

By: Diego A. Comin

Why was the 1990s a lost decade for Japan? How is it possible that the Japanese economy stagnated for a decade if none of the shocks that arguably hit the economy seemed to have persisted for much more than three years or so? In this paper I show that the endogenous... View Details

Keywords: Economic Slowdown and Stagnation; Performance Productivity; Mathematical Methods; Research and Development; Technology Adoption; Japan

2012
Working Paper

An Exploration of Luxury Hotels in Tanzania

By: Diego A. Comin

Tourism is a tradable service activity that could allow some African countries to generate significant growth. Tanzania, given its unique natural assets, is an ideal candidate. However, despite being so richly endowed in touristic resources, Tanzania receives very few... View Details

Keywords: Natural Environment; Business Ventures; Luxury; Revenue; Price; Developing Countries and Economies; Accommodations Industry; Tourism Industry; Tanzania

April 2010 (Revised September 2011)
Case

Malaysia: People First?

By: Diego A. Comin and John Abraham

On March 30, 2010, Prime Minister Najib Razak presented his new economic model (NEM) for Malaysia. With the goal of raising per capita income to over $15,000 by 2020 from the current level of $6,634, the plan included measures to improve human capital, reduce migration... View Details

Keywords: Globalized Economies and Regions; Problems and Challenges; Crime and Corruption; Developing Countries and Economies; Development Economics; Emerging Markets; Transformation; Governing Rules, Regulations, and Reforms; Wealth and Poverty; Equality and Inequality; Malaysia

2007
Other Unpublished Work

Implementing Technology

By: Diego Comin and Bart Hobijn

We introduce a tractable model of endogenous growth in which the returns to innovation are determined by the technology adoption decisions of the users of new technologies. Technology adoption involves an implementation investment that determines the initial... View Details

Keywords: Learning; Investment; Investment Return; Innovation and Invention; Growth and Development Strategy; Performance Productivity; Technology Adoption

March 2011 (Revised March 2012)
Case

Fraunhofer: Innovation in Germany

By: Diego A. Comin, J. Gunnar Trumbull and Kerry Yang

Fraunhofer is one of the largest applied research organizations in the world. With 17,000 employees and a 1.6 billion euros budget, Fraunhofer has 60 institutes in Germany that cover most fields of science. The case examines the consequences that Fraunhofer has for the... View Details

Keywords: Economy; Entrepreneurship; Financial Markets; Government and Politics; Labor; Markets; Outcome or Result; Research and Development; Competitive Strategy; Germany

14 Aug 2012
First Look

First Look: August 14

relationship, it remains difficult to determine which firms any given piece of legislation will affect, and how it will affect them. By observing the actions of legislators whose constituents are the affected firms, we can gather insights... View Details

Keywords: Sean Silverthorne

15 Sep 2009
First Look

First Look: September 15

Working PapersThe CHAT Dataset Authors:Diego A. Comin and Bart Hobijn NBER Working Paper Series, No. 15319, September 2009 Abstract This note accompanies the Cross-country Historical Adoption of Technology (CHAT) dataset. CHAT is an... View Details

Keywords: Martha Lagace

April 2011 (Revised December 2012)
Supplement

South Africa (B): Getting Unstuck?

By: Richard H. K. Vietor and Diego Comin

15 years after ending apartheid, formal unemployment in South Africa was still at 24%. While the country had grown at 4 to 5% annually during the 2000s, the financial crisis set it back by 1 million more unemployed. Moreover, it seemed as if the nation were stuck... View Details

Keywords: Financial Crisis; Inflation and Deflation; Policy; Employment; Wages; Competition; South Africa

27 Jan 2009
First Look

First Look: January 27, 2009

Working PapersWhen Does Domestic Saving Matter for Economic Growth? Authors:Philippe Aghion, Diego Comin, Peter Howitt, and Isabel Tecu Abstract Can a country grow faster by saving more? We address this... View Details

Keywords: Martha Lagace

April 2011 (Revised May 2013)
Case

South Africa (A): Stuck in the Middle?

By: Richard H. K. Vietor and Diego Comin

Fifteen years after ending apartheid, formal unemployment in South Africa was still at 24%. While the country had grown at 4 to 5% annually during the 2000s, the financial crisis set it back by 1 million more unemployed. Moreover, it seemed as if the nation were stuck... View Details

Keywords: Financial Crisis; Inflation and Deflation; Policy; Employment; Wages; Competition; South Africa