Question: Where is the employer of Orazio Attanasio ranked among the world's best colleges and universities?

full_context: Document 1: London: London is home to five major medical schools – Barts and The London School of Medicine and Dentistry (part of Queen Mary), King's College London School of Medicine (the largest medical school in Europe), Imperial College School of Medicine, UCL Medical School and St George's, University of London – and has a large number of affiliated teaching hospitals. It is also a major centre for biomedical research, and three of the UK's five academic health science centres are based in the city – Imperial College Healthcare, King's Health Partners and UCL Partners (the largest such centre in Europe).
Document 2: London: With 120,000 students in London, the federal University of London is the largest contact teaching university in the UK. It includes four large multi-faculty universities – King's College London, Queen Mary, Royal Holloway and UCL – and a number of smaller and more specialised institutions including Birkbeck, the Courtauld Institute of Art, Goldsmiths, Guildhall School of Music and Drama, the Institute of Education, the London Business School, the London School of Economics, the London School of Hygiene & Tropical Medicine, the Royal Academy of Music, the Central School of Speech and Drama, the Royal Veterinary College and the School of Oriental and African Studies. Members of the University of London have their own admissions procedures, and some award their own degrees.
Document 3: Hal Varian: Varian taught at MIT, Stanford University, the University of Oxford, the University of Michigan, the University of Siena and other universities around the world. He has two honorary doctorates, from the University of Oulu, Finland in 2002, and a Dr. h. c. from the Karlsruhe Institute of Technology (KIT), Germany, awarded in 2006. He is emeritus professor at the University of California, Berkeley, where he was founding dean of the School of Information.Varian joined Google in 2002 as a consultant, and has worked on the design of advertising auctions, econometrics, finance, corporate strategy, and public policy. He is the chief economist at Google.
Document 4: London: London is a major global centre of higher education teaching and research and its 43 universities form the largest concentration of higher education institutes in Europe. According to the QS World University Rankings 2015/16, London has the greatest concentration of top class universities in the world and the international student population around 110,000 which is also more than any other city in the world. A 2014 PricewaterhouseCoopers report termed London as the global capital of higher education
Document 5: James Tooley: James Nicholas Tooley (born July 1959, in Southampton, England) is a professor of education policy at the University of Newcastle upon Tyne, where he directs the E. G. West Centre. For his research on private education for the poor in India, China and Africa, Tooley was awarded the gold prize in the first International Finance Corporation/Financial Times Private Sector Development Competition in September 2006. From 2007 to 2009, he was founding President of the Education Fund, Orient Global, and lived in Hyderabad, India. He is currently chairman of education companies in Ghana (Omega Schools Franchise Ltd) and India (Empathy Learning Systems Pvt Ltd) creating low cost chains of low cost private schools. He also holds an appointment as an Adjunct Scholar at the Cato Institute and serves on the Advisory Council of the Institute of Economic Affairs as well as on the Academic Advisory Council of Civitas: The Institute for the Study of Civil Society. He also serves on the Board of Visitors of Ralston College, a start-up liberal arts college in Savannah.
Document 6: London: There are a number of business schools in London, including the London School of Business and Finance, Cass Business School (part of City University London), Hult International Business School, ESCP Europe, European Business School London, Imperial College Business School and the London Business School. London is also home to many specialist arts education institutions, including the Academy of Live and Recorded Arts, Central School of Ballet, LAMDA, London College of Contemporary Arts (LCCA), London Contemporary Dance School, National Centre for Circus Arts, RADA, Rambert School of Ballet and Contemporary Dance, the Royal College of Art, the Royal College of Music and Trinity Laban.
Document 7: London: A number of world-leading education institutions are based in London. In the 2014/15 QS World University Rankings, Imperial College London is ranked joint 2nd in the world (alongside The University of Cambridge), University College London (UCL) is ranked 5th, and King's College London (KCL) is ranked 16th. The London School of Economics has been described as the world's leading social science institution for both teaching and research. The London Business School is considered one of the world's leading business schools and in 2015 its MBA programme was ranked second best in the world by the Financial Times.
Document 8: Orazio Attanasio: Orazio Attanasio (born 31 October 1959, in Naples) is an Italian economist and the Jeremy Bentham Chair of Economics at University College London. He graduated from the University of Bologna in 1982 and London School of Economics in 1988. He then went to teach at Stanford and was a National Fellow at Stanford's Hoover Institution and a visiting professor at the University of Chicago before arriving at University College London. Currently he is also a Research Director at the Institute for Fiscal Studies (IFS) in London, co-director of the Centre for the Evaluation of Development Policies at the Institute for Fiscal Studies, and a director of the ESRC Centre for the Microeconomic Analysis of Public Policy.
Document 9: Friedrich Hayek: In 1929, Lionel Robbins assumed the helm of the London School of Economics (LSE). Eager to promote alternatives to what he regarded as the narrow approach of the school of economic thought that then dominated the English-speaking academic world (centred at the University of Cambridge and deriving largely from the work of Alfred Marshall), Robbins invited Hayek to join the faculty at LSE, which he did in 1931. According to Nicholas Kaldor, Hayek's theory of the time-structure of capital and of the business cycle initially "fascinated the academic world" and appeared to offer a less "facile and superficial" understanding of macroeconomics than the Cambridge school's.
Document 10: Riccardo Realfonzo: He is full professor at the University of Sannio (Italy) where in the late 2000s directed the economic department. Realfonzo was a member of the scientific committee of "Industria 2015" (2006–2007). After that he was two times the councilman for economic affairs of the city of Naples.
Document 11: Edgeworth Professor of Economics: The Edgeworth Professor of Economics at the University of Oxford is named in honour of Francis Ysidro Edgeworth, the Drummond Professor of Political Economy from 1891–1922.
Document 12: Deirdre McCloskey: Deirdre Nansen McCloskey (born September 11, 1942 in Ann Arbor, Michigan), is the Distinguished Professor of Economics, History, English, and Communication at the University of Illinois at Chicago (UIC). She is also adjunct professor of Philosophy and Classics there, and for five years was a visiting Professor of philosophy at Erasmus University, Rotterdam. Since October 2007 she has received six honorary doctorates. In 2013, she received the Julian L. Simon Memorial Award from the Competitive Enterprise Institute for her work examining factors in history that led to advancement in human achievement and prosperity. Her main research interests include the origins of the modern world, the misuse of statistical significance in economics and other sciences, and the study of capitalism, among many others.
Document 13: Anthony Heath: Anthony Heath studied classics and economics at Trinity College, Cambridge, receiving a double first. After a spell in the Treasury he returned to Cambridge to study for a doctorate on social exchange theory with John H Goldthorpe as supervisor. He then moved to Jesus College, Oxford, as a tutorial fellow, followed by an official fellowship and then a professorial fellowship at Nuffield College, when he became Oxford's first professor of sociology in 1999, and founded the Oxford Department of Sociology. He was elected a fellow of the British Academy in 1992. He is also a fellow of the European Academy of Sociology.
Document 14: London School of Economics: LSE is located in Westminster, central London, near the boundary between Covent Garden and Holborn. The area is historically known as Clare Market. The LSE has more than 10,000 students and 3,300 staff, just under half of whom come from outside the UK. It had a consolidated income of £340.7 million in 2015 / 16, of which £30.3 million was from research grants. One hundred and fifty five nationalities are represented amongst LSE's student body and the school has the highest percentage of international students (70%) of all British universities. Despite its name, the school is organised into 25 academic departments and institutes which conduct teaching and research across a range of legal studies and social sciences.
Document 15: London: A number of universities in London are outside the University of London system, including Brunel University, City University London, Imperial College London, Kingston University, London Metropolitan University, Middlesex University, University of East London, University of West London and University of Westminster, (with over 34,000 students, the largest unitary university in London), London South Bank University, Middlesex University, University of the Arts London (the largest university of art, design, fashion, communication and the performing arts in Europe), University of East London, the University of West London and the University of Westminster. In addition there are three international universities in London – Regent's University London, Richmond, The American International University in London and Schiller International University.
ground_truth: 5th
sub_queries: Orazio Attanasio >> employer Answer: University College London
Where is University College London , or UCL, ranked among the world's best colleges and universities? Answer: 5th