CONVEXITY Definition

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CONVEXITY is the price change that occurs for a bond not accounted for or predicted by modified dU1"ation. Convexity explains why price change estimates using modified duration increase in error as the yield changes, generally by more than 100 basis points. Bonds with positive (negative) convexity have increased (decreased) duration as interest rates fall (rise). Bonds with positive convexity, such as those with put options, have returns higher than those predicted by duration alone. Mortgage-backed securities and callable bonds gener­ally have negative convexity, which means that the price increase predicted by duration for a steep rate decline is too high.

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VENDOR MANAGED INVENTORY (VMI) is a process in which a supplier generates orders for its distributor based on demand information sent by the distributor. Vendor Managed Inventory was first applied to the grocery industry, between companies like Procter & Gamble (supplier) and Wal-Mart (distributor). But increasingly, Vendor Managed Inventory is providing the benefits of smoother demand, increased sales, lower inventories and reduced costs to other industries.

LIABILITY RESERVE see RESERVE.

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