1.The demand for energy : Cross-country evidence using the Florida model
James L. Seale, Jr. , Wayne E. Walker and In-Moo Kim
Energy Economics
Volume 13, Issue 1, January 1991, Pages 33-40
http://www.sciencedirect.com/science/article/B6V7G-458XJW9-77/2/c0da4248bfbe60531089bc34f2d37bfe

2.Income elasticities of educational expenditure by income class: The case of Japanese households
Keiji Hashimoto* and Julia A. Heath
Economics of Education Review
Volume 14, Issue 1, March 1995, Pages 63-71
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VB9-3Y45T84-14&_user=10&_coverDate=03%2F31%2F1995&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=344d309db849aa274fc089a40ff0930b&searchtype=a

3.Testing for a Reference Consumer in International Comparisons of Living Standards
Ian Crawford and J. Peter Neary
American Economic ReviewVol. 98, No. 4, September 2008http://www.aeaweb.org/articles.php?doi=10.1257/aer.98.4.1731

4.Income Elasticities for Selected Consumption Categories: Comparison of Single Female-Headed and Two-Parent FamiliesSally E. Horton1, Jeanne L. Hafstrom2
Home Economics Research JournalVolume 13, Issue 3, pages 292–303, March 1985


http://onlinelibrary.wiley.com/doi/10.1177/1077727X8501300308/abstract