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Maddison Project News

 Graph based on the 2010 Maddison data

Maddison data in Biden-Harris Administration 2023 Economic Report

Date:30 March 2023

The Council of Economic Advisers, a component of the Executive Office of the President in the Biden-Harris Administration, has released the 2023 Economic Report of the President. This report starts with a reflection by President Biden about the...

Maddison project, re: "Don't believe the Haiti/DR graph"

Date:24 September 2021
A recent post argues the data from Maddison and the Maddison project are wrong on the relative income levels of Haiti and the Dominican Republic and overstate Haiti's income level. Jan Luiten van Zanden and Jutta Bolt show that the problem is a lack of good historical income comparisons for these countries, not the specific choices made in the Maddison Project.
Jutta Bolt

Jutta Bolt appointed to Aletta Jacobs chair

Date:16 December 2020

Jutta Bolt has just been appointed to one of the University of Groningen's Aletta Jacobs chairs. These chairs were created to give female associate professors a leg up, to achieve a less male-dominated professoriat. As GGDC, we heartily congratulate Jutta...

Opposing inequality trends

Inequality moves in cycles

Date:10 September 2018

New research by Herman de Jong and María Gómez León, published in the Economic History Review, examines inequality in Germany and the United Kingdom in the first half of the twentieth century. Over this period, the developments have mirrored each other in...

Thomas Piketty

Piketty gives Maddison lecture

Date:01 June 2018

On May 23, Thomas Piketty gave the Maddison lecture, on the topic of globalization and inequality. See here for some highlights and how Piketty's work relates to research of GGDC.

Inaugural lecture Robert Inklaar

Beyond Growth? Robert Inklaar's inaugural lecture

Date:08 March 2018

On March 6, Robert Inklaar gave his inaugural lecture to officially accept his position of Professor in the Economics of Productivity and Welfare. In this lecture, he established how productivity growth in the 21st century has been low by historical...

Real GDP per capita from 1870-2016

VoxEU column on Rebasing 'Maddison'

Date:25 January 2018

A new column on VoxEU is online, discussing the new version of the Maddison Project Database, which was released two weeks ago. The key innovation is to distinguish two series for real GDP per capita, one best suited for comparing income levels across...

Real GDP per capita from 1870-2016

Maddison Project Database 2018

Date:11 January 2018

A new version of the Maddison Project Database has been released today. This new version introduces a new measure of real GDP per capita that is based on both modern and historical comparisons of income levels, leading to a 'multiple benchmark' measure...

Princeton University Conference

Progress on new Maddison Project Database

Date:30 May 2017

Robert Inklaar presented joint work with Jutta Bolt, Jan Luiten van Zanden and Herman de Jong at the International Comparison Conference in Princeton on May 25. The presentation reported on progress towards a new version of the Maddison Project Database on...

London School of Economics

Inequality in Ghana

Date:16 March 2017

Jutta Bolt is presenting today in the Economic History Seminar at the London School of Economics (LSE) on project, jointly with PhD student Prince Young Aboagye on "Doing well while doing good? Long-term trends in income inequality in Ghana 1895-2015".

VOX logo

Reconstructing GDP for Spain

Date:21 December 2016

Leandro Prados de la Escosura, who holds the Maddison Chair in Groningen, has just published a VOX column discussing his recent project, in which he has reconstructed the National Accounts for Spain back to 1850, i.e. some 100 years before official...

Inequality and GDP lecture

Inequality lecture at EIB

Date:20 December 2016

Robert Inklaar lectures today at the European Investment Bank about Inequality and GDP. He will argue that our understanding of income differences across countries depends crucially on accurate and frequent comparisons of prices across countries as...

Jutta Bolt

Jutta Bolt named Wallenberg Academy Fellow

Date:02 December 2016

Jutta Bolt has been named as one of the 29 new Wallenberg Academy Fellows for 2016. This prestigious Swedish research grant by the Wallenberg Foundation of approximately €1mln will allow Jutta Bolt to devote more time to her research, in part at Lund...

Het Kasteel

Call for papers – GGDC conference

Date:30 November 2016

On June 28–30, we organise a conference to celebrate the 25 year anniversary of the Groningen Growth and Development Centre (GGDC) in Het Kasteel in Groningen. The conference will feature many prominent speakers: Dale Jorgenson (Harvard) will give an...

Daron Acemoglu (MIT)

The race of man against machine

Date:02 November 2016

This upcoming Saturday, November 5, we welcome top economist Daron Acemoglu (MIT) to Groningen for the next Maddison lecture, on The Race of Man against Machine. In this public lecture, jointly organised with In the LEAD, we are looking forward to hearing...

Top economist Daron Acemoglu to give next Maddison lecture

Date:10 August 2016

On Saturday November 5, from 11:00–13:00, Daron Acemoglu of MIT will give the next Maddison lecture. Details to follow.

Globalisation & inequality Summer School

Date:10 August 2016

The GGDC Summer School 2016 took place between July 11 and 15 and featured several lectures by Branko Milanović, on inequality and the role of globalisation, as well as lectures by other renowned scholars. Around 25 students from all over the world...

Economic measurement

Date:09 July 2016

Marcel Timmer and Robert Inklaar presented their research at the 2016 conference of the Society for Economic Measurement. Marcel Timmer presented a framework for measuring productivity when production is fragmented across borders and prices are imperfectly...

Paper accepted on African inequality trends

Date:08 November 2015
Author:Robert Inklaar

The paper ‘Long term trends in economic inequality: Lessons from colonial Botswana 1921–1974’ written by Jutta Bolt and Ellen Hillbom (Lund University) has been accepted for publication in the Economic History Review. The show a rise and subsequent decline...

Maddison database: update in progress

Date:03 August 2015
Author:Robert Inklaar

Jutta Bolt presented a joint paper with Herman de Jong, Robert Inklaar and Jan Luiten van Zanden in the session ‘The Maddison project: measuring economic performance across time and space’ at the XVIIth World Economic History Congress, Kyoto. The paper...