Banerjee attended secondary school atSouth Point School inKolkata, where he was described as a "brilliant" but "very quiet" student.[12] During high school, he was interested in literature, history, philosophy, and mathematics, choosing to pursue his undergraduate studies in the latter at theIndian Statistical Institute, Kolkata.[1] He dropped out of the program after one week, transferring toPresidency College, then an affiliate of theUniversity of Calcutta, to study economics.
After completing his undergraduate studies, Banerjee pursued anMA in Economics atJawaharlal Nehru University, New Delhi, selecting to study there over theDelhi School of Economics because of its political life, and the latter's reputation as a stepping stone toPhD programs in theUnited States, which Banerjee had little interest in pursuing.[1] His teachers includedAnjan Mukherjee andKrishna Bharadwaj, the latter of whom taught a course on the history of economic thought.[1] While studying atJNU, Banerjee was arrested, imprisoned, and beaten atTihar Jail, in response to a protest in which studentsgheraoed the then vice chancellor of the university.[13][14] He completed his degree in 1983, and was encouraged by his parents and teachers to apply forPhD programs in economics.[1]
In 2013, he was named by the United Nations Secretary-GeneralBan Ki-moon to a panel of experts tasked with updating theMillennium Development Goals after 2015 (their expiration date).[21]
In 2019, he delivered Export-Import Bank of India's 34th Commencement Day Annual Lecture on Redesigning Social Policy.[23] That same year, was awarded the Nobel Prize in Economics, together with Esther Duflo andMichael Kremer, "for their experimental approach to alleviating global poverty".[24]
In October 2025, theUniversity of Zurich announced that Banerjee and Duflo would be joining the faculty of the UZH Faculty of Business, Economics, and Informatics in July 2026, where they would co-direct the newly-established Lemann Center for Development, Education and Public Policy. The center and Banerjee and Duflo's endowed professorships were created following a 26 million franc (32.5 million USD) donation from Swiss-Brazilian billionaireJorge Paulo Lemann's Lemann Foundation. The couple would maintain part-time positions at MIT.[25]
Banerjee and his co-workers try to measure the effectiveness of actions (such as government programmes) in improving people's lives. For this, they userandomized controlled trials, similar to clinical trials in medical research.[26] For example, althoughpolio vaccination is freely available in India, many mothers were not bringing their children for the vaccination drives. Banerjee and Prof. Esther Duflo, also from MIT, tried an experiment inRajasthan, where they gave a bag of pulses to mothers who vaccinated their children. Soon, the immunization rate went up in the region. In another experiment, they found that learning outcomes improved in schools that were provided with teaching assistants to help students with special needs.[27]
Abhijit Banerjee was married to Dr. Arundhati Tuli Banerjee, a lecturer of literature at MIT.[31][32] Abhijit and Arundhati had one son together and later divorced.[31] Their son, born in 1991, died in an accident in 2016.[33]
In 2015, Banerjee married his co-researcher, MIT professorEsther Duflo; they have two children, Noemie Banerjee (born 2012) and Milan Banerjee (born 2014).[34][35] Banerjee was a joint supervisor of Duflo's PhD in economics at MIT in 1999.[34][36] Duflo is also a professor of Poverty Alleviation and Development Economics at MIT.[37]
In 2019, he wrote together withEsther Duflo his latest book, "Good Economics for Hard Times," where he discusses possible solutions to a series of current issues such as inequality, climate change, and globalization.[38]
"Banerjee, Duflo and their co-authors concluded that students appeared to learn nothing from additional days at school. Neither did spending on textbooks seem to boost learning, even though the schools inKenya lacked many essential inputs. Moreover, in the Indian context Banerjee and Duflo intended to study, many children appeared to learn little: in results from field tests in the city ofVadodara fewer than one in five third-grade students could correctly answer first-grade curriculum math test questions.[41]
"In response to such findings, Banerjee, Duflo and co-authors argued that efforts to get more children into school must be complemented by reforms to improve school quality."[41]
The Nobel Prize was a major recognition for their chosen field - Development Economics, and for the use of Randomised Controlled Trials. It evoked mixed emotions in India, where his success was celebrated with nationalistic fervour while his approach and pro-poor focus were seen as a negation of India's current government's right-wing ideology as well as broader development discourse.[42]