00441nas a2200145   4500008004100000245004600041210004600087260000900133300001200142490000800154653000800162653002300170100001700193856008500210       1983                        eng d00aEstimating proportionate changes in rates0 aEstimating proportionate changes in rates  c1983  a235-2430 v11710aBIS10aBusiness Analytics1 aSmouse, Evan  u/biblio/estimating-proportionate-changes-rates-0