We discuss social network analysis from the perspective of economics. We organize the presentation around the theme of externalities: the effects that one's behavior has on others' welfare. Externalities underlie the interdependencies that make networks interesting to social scientists. We...

Frontmatter -- Contents -- Preface -- PART I. BACKGROUND AND FUNDAMENTALS OF NETWORK ANALYSIS -- PART II. MODELS OF NETWORK FORMATION -- PART III. IMPLICATIONS OF NETWORK STRUCTURE -- PART IV. METHODS, TOOLS, AND EMPIRICAL ANALYSES -- Afterword -- Bibliography -- Index