This paper focuses on the reform of accounting standards in China in 2007 and investigates its impact on equilibrium pricing in the audit market. We find that the concentration of the audit market and the probability of issuing modified audit opinions do not significantly change, but that audit...

This paper attempts to provide one of the first population-based causal estimates of the effect of air pollution on suicidal ideation-a key precursor to suicide attempt and completion-among school-age children. We use daily variations in the local wind direction as instruments to address...

Purpose: There are several routes between some OD pairs in the urban rail transit network. In order to carry out the fare allocating, operators use some models to estimate which route the passengers choose, but there are some errors between estimation results and actual choices results. The aim...

Purpose: Urban rail transit is a complex and dynamic system, which is difficult to be described in a global mathematical model for its scale and interaction. In order to analyze the spatial and temporal characteristics of passenger flow distribution and evaluate the effectiveness of...