@inbook{NBERc0663,
 Crossref = "NBERjaco71-1",
 title = "The Study, Its Rationale and Plan",
 author = "Donald P. Jacobs",
 BookTitle = "Business Loan Costs and Bank Market Structure: An Empirical Estimate of Their Relations",
 Publisher = "UMI",
 pages = "1-5",
 year = "1971",
 URL = "http://www.nber.org/chapters/c0663",
}
@book{NBERjaco71-1,
 title = "Business Loan Costs and Bank Market Structure: An Empirical Estimate of Their Relations",
 author = "Donald P. Jacobs",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1971",
 URL = "http://www.nber.org/books/jaco71-1",
}