PROBLEM TO BE SOLVED: To optimize an Internet marketing channel for a multichannel marketing campaign.;SOLUTION: A system includes an optimization model storage part storing a plurality of optimization models for optimizing the Internet marketing channel, and includes a statement unit determining an estimated miniature profit and loss statement for each item of the Internet marketing channel. The miniature profit and loss statement for each item links a potential investment in the item with estimated revenue and profit for the potential investment. A revenue response unit generates revenue response data for each item based on the miniature profit and loss statement for each item, and a profit response unit generates profit response data for each item based on the miniature profit and loss statement for each item. An efficiency frontier response unit generates efficiency frontier response data from the revenue response data and the profit response data, wherein the efficiency frontier response data identifies a point of diminishing returns for each item based on the investment amount in each item.;COPYRIGHT: (C)2010,JPO&INPIT
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