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These thirteen papers and accompanying commentaries are the first fruits of an ongoing research project that has concentrated on developing simulation models that incorporate the behavioral responses of individuals and businesses to alternative tax rules and rates and on expanding computational general equilibrium models that analyze the long-run effects of changes on the economy as a whole.

The principal focus of the project has been on the microsimulation of individual behavior. Thus, this volume includes studies of individual responses to an over reduction in tax rates and to changes in the highest tax rates; a study of alternative tax treatments of the family; and studies of such specific aspects of household behavior as tax treatment of home ownership, charitable contributions, and individual saving behavior. Microsimulation techniques are also used to estimate the effects of alternative policies on the long-run financial status of the social security program and to examine the effects of alternative tax rules on corporate investment and of foreign-source income on overseas investment.

The papers devoted to the development of general equilibrium simulation models to include an examination of the implications of international trade and capital flows, a study of the effects of capital taxation that uses a closed economy equilibrium model, and an examination of the effect of switching to an inflation-indexed tax system. In the volume's final paper, a life-cycle model in which individuals maximize lifetime utility subject to a lifetime budget constraint is used to simulate the effects of tax rules on personal savings.

Using an energy systems language that combines energetics, kinetics, information, cybernetics, and simulation, Ecological and General Systems compares models of many fields of science, helping to derive general systems principles.

First published as Systems Ecology in 1983, Ecological and General Systems proposes principles of self-organization and the designs that prevail by maximizing power and efficiency. Comparisons to fifty other systems languages are provided. Innovative presentations are given on earth homeostasis (Gaia); the inadequacy of presenting equations without network relationships and energy constraints; the alternative interpretation of high entropy complexity as adaptive structure; basic equations of ecological economics; and the energy basis of scientific hierarchy.

Part I introduces energetics, hierarchy, and systems modeling. Part II features design elements: intersections, autocatalytic modules, loops, series, parallel elements, and webs. Part III includes embodied energy, spectra of energy quality, temperature, complexity, spatial distribution, and diversity. Part IV discusses production, consumption, ecosystems, succession, economic systems, anthropological models, urban and regional models, global biogeochemistry, and the universe.

Tactical media describes interventionist media art practices that engage and critique the dominant political and economic order. Rather than taking to the streets and staging spectacular protests, the practitioners of tactical media engage in an aesthetic politics of disruption, intervention, and education. From They Rule, an interactive map of the myriad connections between the world’s corporate and political elite created by Josh On and Futurefarmers, toBlack Shoals, a financial market visualization that is intended to be both aesthetically and politically disruptive, they embrace a broad range of oppositional practices.

In Tactical Media, Rita Raley provides a critical exploration of the new media art activism that has emerged out of, and in direct response to, postindustrialism and neoliberal globalization. Through close readings of projects by the DoEAT group, the Critical Art Ensemble, Electronic Civil Disobedience, and other tactical media groups, she articulates their divergent methods and goals and locates a virtuosity that is also boldly political. Contemporary models of resistance and dissent, she finds, mimic the decentralized and virtual operations of global capital and the post-9/11 security state to exploit and undermine the system from within. 

Emphasizing the profound shift from strategy to tactics that informs new media art-activism, Raley assesses the efficacy of its symbolic performances, gamings, visualizations, and hacks. With its cogent analyses of new media art and their social impact, Tactical Media makes a timely and much needed contribution to wider debates about political activism, contemporary art, and digital technology.

Ambitiously identifying fresh issues in the study of complex systems, Peter J. Taylor, in a model of interdisciplinary exploration, makes these concerns accessible to scholars in the fields of ecology, environmental science, and science studies. Unruly Complexity explores concepts used to deal with complexity in three realms: ecology and socio-environmental change; the collective constitution of knowledge; and the interpretations of science as they influence subsequent research.

For each realm Taylor shows that unruly complexity-situations that lack definite boundaries, where what goes on "outside" continually restructures what is "inside," and where diverse processes come together to produce change-should not be suppressed by partitioning complexity into well-bounded systems that can be studied or managed from an outside vantage point. Using case studies from Australia, North America, and Africa, he encourages readers to be troubled by conventional boundaries-especially between science and the interpretation of science-and to reflect more self-consciously on the conceptual and practical choices researchers make.

A comprehensive guide explaining how to create simulations of international relations for the purposes of both teaching and research.

Hemda Ben-Yehuda, Luba Levin-Banchik, and Chanan Naveh offer as a model their hallmark “World Politics Simulations Project,” which involves participants representing various states, nonstate actors, and media organizations embroiled in an international political crisis. Following the trajectory of a simulation, the authors describe theory, implementation, and analysis. Starting with a typology of simulations, they present a framework for selecting the most suitable one for a given teaching situation, based on academic setting, goals, costs, and other practical considerations. They then provide step-by-step instructions for creating simulations on cyber platforms, particularly Facebook, complete with schedules, guidelines, sample forms, teaching tips, and student exercises. Throughout the simulation, and especially during the final analysis, they explain how to reinforce learning and foster critical thinking, creativity, teamwork, and other essential skills. The authors conclude with suggestions for using data gathered during a simulation for scholarly research.

Instructors in both introductory and advanced courses in political science, international relations, media, history, and area studies—as well as leaders of professional training programs in the civil and military service and media organizations—will find this guide invaluable.