A safety planning and control model (SPC) has been integrated into the production planning and control process. The model integrates safety into three hierarchical levels of production control. Safety long-term planning starts with the preliminary hazard analysis (PHA) of construction processes....

This paper provides a new data set of regional income inequalities within countries based on satellite nighttime light data. We first empirically study the relationship between luminosity data and regional incomes for those countries where regional income data are available. We subsequently use...