G.S. Maddala was one of the leading figures in econometrics research and teaching for more than 30 years and this book is widely recognised as one of the leading textbooks in its field. The author was renowned for the clarity of his writing style and his ability to cut through technical superstructure to reveal essential detail. The new edition was thoroughly updated prior to the author's death and the manuscript was completed with the help of Kajal Lahiri.