This importance of this book is to provide a basis of the study of asset pricing in relation to the behaviour of market participants and trading activity.
This book also provide two valuable categories of information. The first categoriy is the empirical results of the study on the relationships between market returns and aggregate bloc, foreign, and regular trades. The socond category is testable model of valuing wheter a type of trades contains informations. This model certainly can be adopted to explore other types of trades or to investigate the same type of trades for different periods. (text from the author)