00387pab a2200133 454500008004000000100002200040245008300062260000900145300001400154362000800168650002500176700002300201773002900224180718b2010   xxu||||| |||| 00| 0 eng d  aCorrado, Carol A.  aMeasuring intangible capital: how do you measure a "technological revolution"?  c2010  ap.99-104.  aMay  aTechnological change  aHulten, Charles R.  aAmerican Economic Review