As corporate financialization becomes an important stylized fact, policymakers and economists are concerned that may harm firms’ productivity by reducing operation investment. However, no previous literature has assessed the heterogeneous effect of on total factor induced self-selection. In this study, we do so leveraging framework marginal treatment effects (MTE) using samples Chinese listed n...

There is a vacuum created when water goes past pipe constriction. Air may be pulled into the main flow by drilling hole in near where happens. Venturi aerator an example of application action. A formed at suction holes tube there small difference pressure between input and output sides. To demonstrate link total rate performance, (model 1584) was introduced specific point Biopipe system. For th...