div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Siteshofstraedu · aging Brand Portfolios: Why Leaders Do What They Do Journal of Advertising Research 39 I 1999 51—66 LEEFI-ANG PETER S H and JAN C REUIJL Advertising src=https:reader034fdocumentsusreader034viewer20220424175f327c52a872e45d4839e51bhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Siteshofstraedu · aging Brand Portfolios: Why Leaders Do What They Do Journal of Advertising Research 39 I 1999 51—66 LEEFI-ANG PETER S H and JAN C REUIJL Advertising src=https:reader034fdocumentsusreader034viewer20220424175f327c52a872e45d4839e51bhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Siteshofstraedu · aging Brand Portfolios: Why Leaders Do What They Do Journal of Advertising Research 39 I 1999 51—66 LEEFI-ANG PETER S H and JAN C REUIJL Advertising src=https:reader034fdocumentsusreader034viewer20220424175f327c52a872e45d4839e51bhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: Siteshofstraedu · aging Brand Portfolios: Why Leaders Do What They Do Journal of Advertising Research 39 I 1999 51—66 LEEFI-ANG PETER S H and JAN C REUIJL Advertising src=https:reader034fdocumentsusreader034viewer20220424175f327c52a872e45d4839e51bhtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: Siteshofstraedu · aging Brand Portfolios: Why Leaders Do What They Do Journal of Advertising Research 39 I 1999 51—66 LEEFI-ANG PETER S H and JAN C REUIJL Advertising...