A method is proposed to estimate efficiency of aggregate investment in a transitional economy, using provincial panel data from the People's Republic of China (PRC) as an experimental case. Inefficiency is defined on the basis of disequilibrium investment. It is further decomposed into...

Duo Qin has produced a study of a crucial period in the history of econometrics. She analyses the development of the theory and methodology between 1930 and 1960, arguing in particular that the "probability revolution" of the 1940s was incomplete, and resulted in later problems