Christopher Albert "Chris" Sims (born October 21, 1942) is an American econometrician and macroeconomist. Jianqing Fan (; born 1962) is a statistician and financial econometrician. Mariana Mihaylova Kotzeva (, born March 12, 1967) is a Bulgarian statistician and econometrician. Simon's most important mentor was Henry Schultz, an econometrician and mathematical economist. Alan Stewart Duncan (born 13 January 1965) is a British economist and econometrician. Peter Schmidt (born August 8, 1947) is an American economist and econometrician. John Philip Rust (born May 23, 1955) is an American economist and econometrician. It was proposed by econometrician Henri Theil at the Erasmus University Rotterdam. Alok Bhargava (born 13 July 1954) is an Indian econometrician. James Bernard Ramsey (born 1937) is a Canadian econometrician. Anil K. Bera (born 1955) is an econometrician. Mirjam van Praag (born 1967) is a Dutch econometrician. This allows the econometrician to identify the weight on each attribute. Robert Leon Basmann (born January 15, 1926) is an American econometrician. Peter Charles Bonest Phillips (born 23 March 1948) is an econometrician.