Abstract: Wassily Leontief received the 1973 Nobel Price in Economics for developing what came to be known as the Leontief input-output model of the economy. Leontief's model enables understanding the interconnectedness among the ...

Abstract: The study of strata behaviors of hard, thick stratum (HTS) and faults in underground coal mines is significant to understanding and predicting the mechanism of rock bursts. By considering the occurrence of a HTS and a ...