The economics of networks -- Interaction structure: the role of asymmetries -- Irreversibility, diversity and stability -- Outline of the book -- I Interaction and Macro-Struture: an Overview -- 1 Economies with Interacting Agents -- 2 Spatial Interactions in Dynamic Decentralised Economies: a Review -- 3 Network, Interactions between Economic Agents and Irreversibilities: the Case of the Choice among Competing Technologies -- 4 Rationality and Heterogeneity in Stochastic Aggregation Models -- II Local Interaction, Learning and Diversity -- 5 Networks Competition under Local Interaction and Behavioral Learning -- 6 Can Neighborhood Protect Diversity -- 7 Interaction of Local Interactions: Localized Learning and Network Externalities -- 8 Evolution of Cooperation with Local Interactions and Imitation -- 9 On the Frontier: Structural Effects in a Diffusion Model based on Influence Matrixes -- III Behaviors, Externalities and the Emergence of Networks -- 10 Networks, Specialization and Trust -- 11 Network Externalities, Cost Functions and Standardization -- 12 The Emergence of Network Organizations in Processes of Technological Choice: a Viability Approach -- 13 Are more Informed Agents able to shatter Information Cascades in the Lab ? -- 14 Information Externalities and Learning with Sequential Interactions -- 15 The Evolution of Imitation.