In this note, we present some refinements of the well-known domination inequalities. Let X be an adapted positive cadlag process dominated by a predictable increasing process A with A0=0. We derive some sharper constants in the inequalities. For the widely used inequality...

Although decades of research have contributed to understanding the operation and implications of minority-concentrated industrial sectors, the reasons for concentration in some sectors but not others remain unclear. To address the question of why some sectors are minority concentrated, this...