1.
The effect of population growth on wealth and saving in the Modigliani-Brumberg life cycle model
Gary Smith
Economics Letters
Volume 1, Issue 1, 1978, Pages 39-43
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V84-45F9327-C&_user=5827953&_coverDate=12%2F31%2F1978&_alid=970609700&_rdoc=7&_fmt=high&_orig=search&_cdi=5860&_sort=r&_docanchor=&view=c&_ct=459&_acct=C000068489&_version=1&_urlVersion=0&_userid=5827953&md5=1349b2a4b79a2329eae8763fe93e0c34

2.这是我能查到的全部信息了，没有找到链接地址，抱歉！（这个好像是一本书是吗？）
Utility analysis and the consumption function: An interpretation of cross-section data
F Modigliani, R Brumberg - Post-Keynesian Economics, 1954 - Rutgers University Press

多谢！