Planetary boundary layer (PBL) Planetary boundary layer (PBL), also called atmospheric boundary layer, the region of the lower troposphere where Earthâs surface strongly influences temperature, moisture, and wind through the turbulent transfer of air mass.
Portfolio optimization tools are useful to assist planners, advisers, and clients in ways to conceptualize the asset allocation problem. But, they should not be relied upon as the primary tool for structuring an investment portfolio.
More firms are implementing lean inventory management techniques to reduce costs, improve flexibility and have more time to focus on their customers. Lean supply chain and inventory management enable Small Medium Businesses (SMB) to improve efficiency and increase profits.