8Brown J R,Finkelstein A.Why is the Market for Long-term Care Insurance so Small[J].Journal of Public Economics,2007,91(10):1967-1991.
9Anne Theisen Cramer,Gail A Jensen.Why Don't People Buy Long-Term-Care Insurance?[J].The Journals of Gerontology,Jul 2006 ; 61B(4).
10Darius Lakdawalla,Tomas Philipson.The Rise in Old-Age Longevity and the Market for Long-Term Care[J].The American Economic Review,2002,92(1):295-306.