<P>The economics of advertising, could be reference to how to use advertising as an economic tool to bring more business for the firm. Or it can also be viewed as how to lower cost in advertising and yet deliver maximum impact in the market. It depends on what context this is used. </P><P>As for 平面媒体, 2 dimension media? as opposed to 3 dimension media which is 立体媒体。</P>
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