Prem Narain Asthana is chairing the Department of Applied Business Economics at St. John`s College, Agra, and co-ordinating graduate level programme in Foreign Trade. The author is in the field of teaching since 1972 and has extensive experience of teaching Commerce and Management at Post Graduate level for more than 36 years. He has served as a Visiting Professor at College of Business, Minot State University, ND USA. The author received his Ph.D. in 1987 from Agra University in the area of Applied Business Economics with his doctoral work entitled "Growth and Diversification of Export of Developing Countries - A Study of Role of UNCTAD". Abstract of his research work have been published in World Bank Papers for Uruguay Round in 1990. He received his Masters in Commerce in 1971 and completed his Bachelors of Law Degree in 1974 from Agra University. He has authored several professional books, the recent of which is Business Economics. In addition, author is also guiding research work, of which more than fifteen students have been awarded the Ph. D. Degree. He is a life member of Indian Commerce Association, Indian Economic Association and Indian Institute of Public Administration.