Søren Johansen
Encyclopedia
Søren Johansen is a Danish Statistician and Econometrician who is, perhaps, most famous for his contributions to the theory of Cointegration
. He is currently a professor at the Department of Economics, University of Copenhagen. He has previously held positions at the Department of Statistics, University of Copenhagen, and the European University Institute
in Florence.
In 1967 he obtained the Gold medal from University of Copenhagen for the thesis "An application of extreme points methods in probability" and in 1974, he became dr. phil. with the thesis "The embedding problem for Markov chains".
Johansen visited UCSD where he interacted with Robert Engle and Clive Granger
during the years that the theory on cointegration was taking shape. In the period 1996-2001 he held a Chair in Econometrics at the European University Institute.
According to some rankings he was the most cited researcher in the world in economic journals
Johansen is Married to Katarina Juselius, who is also a professor at the University of Copenhagen and was ranked as the eighth most cited economist in the world from 1990-2000 (Johansen was first among this list). Juselius is the author of "The Cointegrated VAR Model: Methodology and Application" (2006) from Oxford University Press.
1997 Dir. Ib Henriksens Fund Award, for outstanding research.
Cointegration
Cointegration is a statistical property of time series variables. Two or more time series are cointegrated if they share a common stochastic drift.-Introduction:...
. He is currently a professor at the Department of Economics, University of Copenhagen. He has previously held positions at the Department of Statistics, University of Copenhagen, and the European University Institute
European University Institute
The European University Institute ' in Florence is an international postgraduate and post-doctoral teaching and research institute established by European Union member states to contribute to cultural and scientific development in the social sciences, in a European perspective...
in Florence.
Academic life
Johansen graduated from the University of Copenhagen in mathematical statistics. He began his academic career at the University of Copenhagen, Institute of Mathematical Statistics in 1964 and was promoted to full professor in 1989.In 1967 he obtained the Gold medal from University of Copenhagen for the thesis "An application of extreme points methods in probability" and in 1974, he became dr. phil. with the thesis "The embedding problem for Markov chains".
Johansen visited UCSD where he interacted with Robert Engle and Clive Granger
Clive Granger
Sir Clive William John Granger was a British economist, who taught in Britain at the University of Nottingham and in the U.S.A. at the University of California, San Diego. In 2003, Granger was awarded the Nobel Memorial Prize in Economic Sciences, in recognition that he and his co-winner, Robert F...
during the years that the theory on cointegration was taking shape. In the period 1996-2001 he held a Chair in Econometrics at the European University Institute.
According to some rankings he was the most cited researcher in the world in economic journals
Johansen is Married to Katarina Juselius, who is also a professor at the University of Copenhagen and was ranked as the eighth most cited economist in the world from 1990-2000 (Johansen was first among this list). Juselius is the author of "The Cointegrated VAR Model: Methodology and Application" (2006) from Oxford University Press.
Honours and awards
1967 Gold medal from University of Copenhagen for the thesis "An application of extreme points methods in probability"1997 Dir. Ib Henriksens Fund Award, for outstanding research.
External links
- Home page at University of Copenhagen