This is "The First Step in Econometrics: Introduction to Empirical Analysis." It is a book by Ryuichi Tanaka, published by Yuhikaku Studia. [Title] The First Step in Econometrics: Introduction to Empirical Analysis [Author] Ryuichi Tanaka [Publisher] Yuhikaku Studia [Condition] Unused, but please note that it has been stored at home. Thank you.