 His academic work extends in finance and macroeconomics and is published in many internationally renowned journals, including The American Economic Review, The Journal of Finance, The Quarterly Journal of Economics, the Journal of Monetary Economics and others.He was among the top-50 individual publishers worldwide in applied econometrics over 1989 to 1995.His work on margin requirements had a crucial impact on shaping the reform of the legal framework governing the markets of futures on stock indices in the US.