@inbook{NBERc7363, Crossref = "NBERwise06-1", title = "Market Concentration, Efficiency, and Quality in the Japanese Home Help Industry", author = "Yanfei Zhou and Wataru Suzuki", BookTitle = "Health Care Issues in the United States and Japan", Publisher = "University of Chicago Press", pages = "147-164", year = "2006", month = "September", URL = "http://www.nber.org/chapters/c7363", } @book{NBERwise06-1, title = "Health Care Issues in the United States and Japan", author = "David A. Wise and Naohiro Yashiro", institution = "National Bureau of Economic Research", type = "Book", publisher = "University of Chicago Press", year = "2006", URL = "http://www.nber.org/books/wise06-1", }