<meta content="text/html; charset=utf-8" http-equiv="Content-Type"></meta><meta content="PowerPoint.Slide" name="ProgId"></meta><meta content="Microsoft PowerPoint 12" name="Generator"></meta><span style="; font-family: Tahoma; color: black;">why a technology exhibit </span><span style="; font-family: Tahoma; color: rgb(51, 51, 204);">IRTS</span><span style="; font-family: Tahoma; color: black;"> even
if all of its marginal products are diminishing?<br/>Could you give a specific example?<br/></span>