He continued his studies in the U.S., earning his Ph.D. in 1986 from the University of California at San Diego with a thesis titled Generalized Autoregressive Conditional Heteroskedasticity with Applications in Finance written under the supervision of Robert F. Engle (Nobel Prize in Economics winner in 2003).
He continued his studies in the U.S., earning his doctorate from the University of California at San Diego in 1986, with a thesis titled Generalized Autoregressive Conditional Heteroskedasticity with Applications in Finance under the guidance of Robert F. Engle (Nobel Prize winner in Economics in 2003).