Peter Diamond

Image:Nobel Prize 2010-Press Conference KVA-DSC 8019.jpg, Christopher A. Pissarides, Konstantin Novoselov, Andre Geim, Akira Suzuki, Ei-ichi Negishi, and Richard Heck, Nobel Prize Laureates 2010, at a press conference at the Royal Swedish Academy of Sciences in Stockholm.]]

Diamond was born to a Jewish family in New York City.[https://www.jewishvirtuallibrary.org/jsource/biography/Peter_Diamond.html Jewish Virtual Library]: "Peter Diamond" retrieved January 11, 2014.{{Cite web|url=http://web.mit.edu/hillel/www/events/seminars/diamond-invite-111004.pdf|title = Home | MIT Hillel}}{{Cite web|url=http://www.liherald.com/fivetowns/fivetowns/stories/Going-to-the-head-of-the-class,28212?content_source=&category_id=&search_filter=woodmere&event_mode=&event_ts_from=&list_type=&order_by=&order_sort=&content_class=&sub_type=&town_id=|title = Going to the head of the class}} His grandparents immigrated to the U.S. at the turn of the 20th century. His mother's parents and six older siblings came from Poland. His father's parents met in New York, she came from Russia and he came from Romania. His parents, both born in 1908, grew up in New York City and never lived outside the metropolitan area. Both finished high school and went to work, his father studying at Brooklyn Law School at night while selling shoes during the day. They married in 1929. He has one brother, Richard, born in 1934.[https://www.nobelprize.org/nobel_prizes/economics/laureates/2010/diamond.html Autobiography], Nobel Prize Official Site.

He started public school in the Bronx, and switched to suburban public schools in the second grade when the family moved to Woodmere, on Long Island. He eventually graduated from Lawrence High School.{{cite web |title=Peter A. Diamond PhD '63 |url=https://infinite.mit.edu/video/peter-diamond-phd-’63 |website=MIT |access-date=13 September 2022}} He earned a bachelor's degree summa cum laude in mathematics from Yale University (1960), and a Ph.D. at the Massachusetts Institute of Technology (1963).[http://econ-www.mit.edu/files/5411 MIT Curriculum Vitae] {{webarchive|url=https://web.archive.org/web/20100613024454/http://econ-www.mit.edu/files/5411 |date=June 13, 2010 }}

He was an assistant professor at the University of California, Berkeley, from 1963 to 1965 and an acting associate professor there before joining the MIT faculty as an associate professor in 1966. Diamond was promoted to full professor in 1970, served as head of the Department of Economics in 1985–86 and was named an Institute Professor in 1997.

In 1968, Diamond was elected a fellow and served as president of the Econometric Society. In 2003, he served as president of the American Economic Association. He is a Fellow of the American Academy of Arts and Sciences (1978), a member of the National Academy of Sciences (1984), and is a founding member of the National Academy of Social Insurance (1988). Diamond was the 2008 recipient of the Robert M. Ball Award for Outstanding Achievements in Social Insurance, awarded by NASI.{{Cite web |url=http://www.nasi.org/calendar_reg3634/calendar_reg_show.htm?doc_id=671889 |title=National Academy of Social Insurance – Conferences & Events |access-date=May 30, 2008 |archive-date=September 28, 2008 |archive-url=https://web.archive.org/web/20080928072652/http://www.nasi.org/calendar_reg3634/calendar_reg_show.htm?doc_id=671889 }} As a Fulbright Distinguished Chair, in 2000 he taught economics at the University of Siena.

Diamond wrote a book on Social Security with Peter R. Orszag, President Obama's former director of the Office of Management and Budget,Chan, Sewell, [https://www.nytimes.com/2010/03/13/business/economy/13fed.html?hp=&adxnnl=1&adxnnlx=1268428221-MjerxzRfq6eUqqdkfM2zNg "White House Identifies 3 as Likely Picks for Fed Posts"], The New York Times, {{Nowrap|March 12}}, 2010, {{Nowrap|2:30 pm}}. Retrieved March 12, 2010. titled Saving Social security: a balanced approach (2004,-5, Brookings Institution Press).[https://books.google.com/books?id=X3nRNgQb0CwC&q=orszag+diamond+book+social Book overview] Google Books listing. Retrieved March 12, 2010. An earlier paper from Brookings Institution introduced their ideas.[http://www.brookings.edu/papers/2005/04saving_diamond.aspx "Saving Social Security: The Diamond-Orszag Plan"] {{Webarchive|url=https://web.archive.org/web/20110519215529/http://www.brookings.edu/papers/2005/04saving_diamond.aspx |date=May 19, 2011 }} by Peter A. Diamond and Peter R. Orszag, Apr. 2005, Brookings Web site. PDF download of paper available. Retrieved March 12, 2010.

In April 2010, Diamond, along with Janet Yellen and Sarah Bloom Raskin, was nominated by President Barack Obama to fill the vacancies on the Federal Reserve Board.{{Citation |first=Sudeep |last=Reddy |title=Obama Nominates Yellen, Raskin, Diamond to Fed Board |newspaper=Wall Street Journal |url=https://www.wsj.com/articles/SB10001424052748704302304575213850582215096 |date=April 29, 2010 }} In August 2010, the Senate returned Diamond's nomination to the White House, effectively rejecting his nomination.{{cite news|url=https://www.reuters.com/article/idUSTRE67502G20100806?|title=Senate rejects Fed nominee Diamond before voting|date=August 6, 2010|work=Reuters}} President Obama renominated him in September.Chan, Sewell, [https://www.nytimes.com/2010/09/30/business/30fed.html "Two Are Confirmed for Fed's Board"], The New York Times, {{Nowrap|September 30}}, 2010 (also on p. B3 NY ed.). Retrieved October 11, 2010. In June 2011, following a third round of consideration for the Fed seat, Diamond wrote in a New York Times op-ed column that he planned to withdraw his name. In the column, he strongly criticized the nomination process and "partisan polarization" in Washington, saying he was effectively blocked by Republicans on the Senate Banking Committee. He also detailed the consideration process, saying that in the first and second rounds, three Republicans had favored his confirmation. In the third, when his name was resubmitted in January 2011, the Republicans all followed ranking minority member Shelby (R, Alabama) in voting against it. Diamond continued, quoting Shelby:

"Does Dr. Diamond have any experience in conducting monetary policy? No," [Shelby] said in March. "His academic work has been on pensions and labor market theory." But [Diamond began his reply, in the column] understanding the labor market—and the process by which workers and jobs come together and separate—is critical to devising an effective monetary policy.

Ben Bernanke (Nobel Prize winner and former chairman of the Fed) was once a student of Diamond.{{cite news|url=https://www.nytimes.com/2010/08/07/business/07fed.html?ref=politics|title=Senate Says Economist Lacks Experience to Serve Fed|last=Chan|first=Sewell|date=August 6, 2010|work=The New York Times}}

In October 2010, Diamond was awarded the Nobel Prize in Economic Sciences, along with Dale T. Mortensen from Northwestern University and Christopher A. Pissarides from the London School of Economics "for their analysis of markets with search frictions".[http://nobelprize.org/nobel_prizes/economics/laureates/2010/ The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2010 Peter A. Diamond, Dale T. Mortensen, Christopher A. Pissarides], official web site.

In 2011 he received The John R. Commons Award from Omicron Delta Epsilon, the economics honor society.{{Cite web|url=https://www.omicrondeltaepsilon.org/awards.html|title = Omicron Delta Epsilon - the International Economics Honor Society}}

Andrei Shleifer and Emmanuel Saez are two of his doctoral supervisees who won the John Bates Clark Medal for the best American economist under the age of 40.

Diamond has been married to Kate (Priscilla Myrick) since 1966.{{cite web |url=https://www.nobelprize.org/nobel_prizes/economics/laureates/2010/diamond.html |archive-url=https://web.archive.org/web/20101014045116/http://nobelprize.org/nobel_prizes/economics/laureates/2010/diamond.html |archive-date=October 14, 2010 |title=Peter A. Diamond - Biographical}} They have two sons.

Diamond has made fundamental contributions to a variety of areas, including government debt and capital accumulation, capital markets and risk sharing, optimal taxation, search and matching in labor markets, and social insurance.{{citation needed|date=February 2018}}

{{further|Overlapping generations model}}

{{Macroeconomics sidebar}}

Diamond (1965) extended the Ramsey–Cass–Koopmans model, from a representative infinitely-lived agent to a setup where new individuals are continually being born and old individuals are continually dying. He built on a framework developed by Paul Samuelson, who had termed it "an exact consumption-loan model."{{cite journal |last=Samuelson |first=Paul A. |title=An Exact Consumption-Loan Model of Interest with or without the Social Contrivance of Money |journal=Journal of Political Economy |volume=66 |issue=6 |year=1958 |pages=467–482 |jstor=1826989 |doi=10.1086/258100 |s2cid=153586213 }}

Since individuals born at different times attain different utility levels, it is not clear how to evaluate social welfare. One of the main results of this paper is that the decentralized equilibrium might not be dynamically Pareto efficient, even though markets are competitive and externalities are absent. In particular, depending on the preferences and technology, the economy might find itself saving too much, pushing the capital stock above what Edmund Phelps called the Golden Rule level. In this situation, government debt can crowd out capital and, in doing so, increase welfare.

The Diamond–Mirrlees production efficiency result{{Cite journal|last1=Diamond|first1=Peter A.|last2=Mirrlees|first2=James A.|date=1971|title=Optimal Taxation and Public Production I: Production Efficiency|jstor=1910538|journal=The American Economic Review|volume=61|issue=1|pages=8–27}} follows from a set of assumptions which characterise what can be called a 'DM world'.

It is characterised by 7 assumptions:

i) perfect competition

ii) constant returns to scale to production

iii) lump sum taxation is not possible

iv) there is a revenue requirement i.e. the government has to raise revenue to fund its expenditures

v) full instrument set: the government has the flexibility to levy taxes on all commodities and all factors of production in the economy

vi) non-satiation in at least one good

vii) individualistic social welfare function.

Under these assumptions, it can be shown that the second best allocation requires production efficiency to be preserved throughout the economy. This result arises from the assumptions that characterise the DM world:

• The production side of the economy is independent from the consumption side of the economy (assumption i and ii): perfect competition and constant returns to scale implies no profits (if not producers would increase production infinitely and thus profits). This means that the income of consumers do not depend on the producer prices. In addition, this also means that the incidence of the tax would fall 100% on consumers. Again, this is an application of the theory of the second best: Pareto efficiency should be restored in independent markets.
• The economy is not able to operate in a first-best world (assumption iii and iv): the government must raise revenue but is not able to raise this through lump sum taxation, thus a Pareto optimal allocation of resources is not possible. Note, this is the only irremovable distortion in the DM world.
• The government has a full instrument set that allows any configuration of prices to be achieved, which allows the government to bring about any configuration of relative consumer prices that is consistent with the revenue requirement.

The key idea is that when the government can control all consumer prices, the producer prices are independent from the consumer prices and the consumption decision part of the optimal taxation problem becomes independent of the production decision.{{cite SSRN |title=Redistribution, Production Inefficiency and Decentralized Efficiency |date=January 25, 2004 |ssrn=492882|last1=Naito|first1=Hisahiro}} The implication of the result is that there should be no taxes on intermediate goods and imports. Another implication is that public and private sector production should be based on the same relative prices. In practice, one needs to consider if the assumptions of the DM world are likely to apply; nevertheless, the efficiency result is a useful benchmark against which to judge whether any policy violation of production efficiency is justified.

{{further|Diamond coconut model}}

Diamond (1982) is one of the first papers which explicitly models the search process involved in making trades and hiring workers, which results in equilibrium unemployment.

Diamond has focused much of his professional career on the analysis of U.S. Social Security policy as well as its analogs in other countries, such as China. In numerous journal articles and books, he has presented analyses of social welfare programs in general and the American Social Security Administration in particular. He has frequently proposed policy adjustments, such as incremental but small increases in social security contributions using actuarial tables to adjust for changes in life expectancy and an increase in the proportion of earnings that are subject to taxation.

• List of Jewish Nobel laureates

{{reflist}}

• {{commons category-inline|Peter Diamond}}
• [http://econ-www.mit.edu/faculty/pdiamond Peter Diamond] {{Webarchive|url=https://web.archive.org/web/20101201175937/http://econ-www.mit.edu/faculty/pdiamond/ |date=December 1, 2010 }} at MIT
• {{Nobelprize}} including the Nobel Prize lecture 8 December 2010 Unemployment, Vacancies, Wages
• {{C-SPAN|55839}}
• {{NYTtopic|people/d/peter_a_diamond|Peter A. Diamond}}
• [http://econ-www.mit.edu/files/1573 An interview with Peter Diamond] {{Webarchive|url=https://web.archive.org/web/20101012105355/http://econ-www.mit.edu/files/1573 |date=October 12, 2010 }}, July 12, 2006
• [http://ubs.com/peter-diamond Documentary films on Peter Diamond, with critiques of his work, as part of the Nobel Perspectives project]

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{{s-bef | before = Robert Lucas Jr. }}

{{s-ttl | title = President of the American Economic Association | years = 2003–2004 }}

{{s-aft | after = Martin Feldstein }}

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{{s-bef | before = Elinor Ostrom | before2 = Oliver E. Williamson }}

{{s-ttl | title = Laureate of the Nobel Memorial Prize in Economics | years = 2010 | alongside = Dale T. Mortensen, Christopher A. Pissarides }}

{{s-aft | after = Thomas J. Sargent | after2 = Christopher A. Sims }}

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