This book is a collection of essays which examine how the properties of aggregate variables are influenced by the actions and interactions of heterogenous indiv

Stochastic Dynamics, born almost 100 years ago with the early explanations of Brownian motion by physicists, is nowadays a quickly expanding field of research w

Perfect competition provides the model of a frictionless economy, in which price-setting economic agents behave independently of each other, abandoning to the m

When writing the preface the main work has been done. What remains is thanking all those people who directly or indirectly contributed to the out come. My thank