We study a general screening model that encompasses a health insurance market in which consumers have multiple dimensions of private information and a price-setting insurer (e.g., a monopolist or a social planner) offers vertically differentiated contracts. We combine theory and empirics to...

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

The organization of individuals into networks and groups is of fundamental importance in many social and economic interactions. Examples range from networks of personal contacts used to obtain information about job opportunities to the formation of trading partnerships, alliances, cartels, and...