Ben-Porath, Yoram., The F-connection : families, friends and firms and the organization of exchange / by Yoram Ben-Porath - v, 73 pages ; 28 cm. - The Rand paper series; P-6323 . - The Rand paper series; P-6323 . Includes bibliographical references (pages 65-73) Subjects--Topical Terms: Families--Economic aspects. Economics--Psychological aspects.