The paper reviews the literature on the characteristics and impact of opinion leaders on the diffusion of new knowledge, concluding that there is no clear evidence on whether opinion leaders are more effective if they are similar in socioeconomic attributes to the other farmers rather than superior to would be followers. A multivariate analysis of the changes in integrated pest management knowledge in Indonesia among follower farmers over the period 1991-98 indicates that opinion leaders who are superior to followers, but not excessively so, are more effective in transmitting knowledge. Excessive socioeconomic distance is shown to reduce the effectiveness of diffusion. The paper then derives operational implications of the empirical results.

Strategic management is a system of continual disequilibrium, with firms in a continual struggle for competitive advantage and relative fitness. Models that are dynamic in nature are required if we are to really understand the complex notion of sustainable competitive advantage. New tools are required to tackle challenges of how firms should compete in environments characterized by both exogeneous shocks and intense endogenous competition. Agent-based modelling of firms' strategies offers an alternative analytical approach, where individual firm or component parts of a firm are modelled, each with their own strategy. Where traditional models can assume homogeneity of actors, agent-based models simulate each firm individually. This allows experimentation of strategic moves, which is particularly important where reactions to strategic moves are non-trivial. This Element introduces agent-based models and their use within management, reviews the influential NK suite of models, and offers an agenda for the development of agent-based models in strategic management.

Now in its fifth edition, Diffusion of Innovations is a classic work on the spread of new ideas. In this renowned book, Everett M. Rogers, professor and chair of the Department of Communication & Journalism at the University of New Mexico, explains how new ideas spread via communication channels over time. Such innovations are initially perceived as uncertain and even risky. To overcome this uncertainty, most people seek out others like themselves who have already adopted the new idea. Thus the diffusion process consists of a few individuals who first adopt an innovation, then spread the word among their circle of acquaintances—a process which typically takes months or years. But there are exceptions: use of the Internet in the 1990s, for example, may have spread more rapidly than any other innovation in the history of humankind. Furthermore, the Internet is changing the very nature of diffusion by decreasing the importance of physical distance between people. The fifth edition addresses the spread of the Internet, and how it has transformed the way human beings communicate and adopt new ideas.

Since its development shaped by the turmoil of the World Wars and suspicion of new technologies such as film and radio, political communication has become a hybrid field largely devoted to connecting the dots among political rhetoric, politicians and leaders, voters' opinions, and media exposure to better understand how any one aspect can affect the others. In The Oxford Handbook of Political Communication Kate Kenski and Kathleen Hall Jamieson bring together leading scholars, including founders of the field of political communication Elihu Katz, Jay Blumler, Doris Graber, Max McCombs, and Thomas Paterson,to review the major findings about subjects ranging from the effects of political advertising and debates and understandings and misunderstandings of agenda setting, framing, and cultivation to the changing contours of social media use in politics and the functions of the press in a democratic system. The essays in this volume reveal that political communication is a hybrid field with complex ancestry, permeable boundaries, and interests that overlap with those of related fields such as political sociology, public opinion, rhetoric, neuroscience, and the new hybrid on the quad, media psychology. This comprehensive review of the political communication literature is an indispensible reference for scholars and students interested in the study of how, why, when, and with what effect humans make sense of symbolic exchanges about sharing and shared power. The sixty-two chapters in The Oxford Handbook of Political Communication contain an overview of past scholarship while providing critical reflection of its relevance in a changing media landscape and offering agendas for future research and innovation.

Since the first edition of this landmark book was published in 1962, Everett Rogers's name has become "virtually synonymous with the study of diffusion of innovations," according to Choice. The second and third editions of Diffusion of Innovations became the standard textbook and reference on diffusion studies. Now, in the fourth edition, Rogers presents the culmination of more than thirty years of research that will set a new standard for analysis and inquiry. The fourth edition is (1) a revision of the theoretical framework and the research evidence supporting this model of diffusion, and (2) a new intellectual venture, in that new concepts and new theoretical viewpoints are introduced. This edition differs from its predecessors in that it takes a much more critical stance in its review and synthesis of 5,000 diffusion publications. During the past thirty years or so, diffusion research has grown to be widely recognized, applied and admired, but it has also been subjected to both constructive and destructive criticism. This criticism is due in large part to the stereotyped and limited ways in which many diffusion scholars have defined the scope and method of their field of study. Rogers analyzes the limitations of previous diffusion studies, showing, for example, that the convergence model, by which participants create and share information to reach a mutual understanding, more accurately describes diffusion in most cases than the linear model. Rogers provides an entirely new set of case examples, from the Balinese Water Temple to Nintendo videogames, that beautifully illustrate his expansive research, as well as a completely revised bibliography covering all relevant diffusion scholarship in the past decade. Most important, he discusses recent research and current topics, including social marketing, forecasting the rate of adoption, technology transfer, and more. This all-inclusive work will be essential reading for scholars and students in the fields of communications, marketing, geography, economic development, political science, sociology, and other related fields for generations to come.

Although opinion leadership has been the subject of numerous studies, in areas ranging from politics to fashion and in many societies and cultures, The Influentials represents the first systematic analysis of the concept. It offers a multidisciplinary presentation of the definitions, typologies, methods, and findings of opinion leadership, from its early formulation, through the emergence of the first empirical evidence, to the most recent research. Weimann examines opinion leadership and personal influence in a number of areas, including marketing, public opinion and elections, education, fashion, science, agriculture, and health care. He also examines the growing criticism of the model based on theoretical and empirical weaknesses of the original concept and evaluates for the first time modifications that have emerged, including a new measure (the PS Scale) and its testing and application. The final chapters for the first time link opinion leadership with the important theoretical and research tradition of agenda setting.

The 1st Conference of Visual Art, Design, and Social Humanities (CONVASH) 2019 is a seminar in the fields of art, design and humanities held on November 2, 2019 by the Faculty of Fine Arts and Design (FSRD), Universitas Sebelas Maret in Surakarta, Indonesia. Since its establishment as a Faculty 5 years ago, The Faculty of Fine Arts and Designs has conducted 4 international conferences. The 1st CONVASH 2019 is our international conference new brand and we have a commitment to hold CONVASH annually. Conference of Visual Art, Design, and Social Humanities (CONVASH) 2019 is a tangible manifestation of FSRD's efforts to contribute to science and improve publication quality on the international level. This event is expected to bring about collaboration, scientific transfer, and publications that can contribute to the scientific fields of arts, design and humanities. The conference aims to facilitate research presentations and knowledge exchange in art, design, technology, and social humanities, as well as create academic networks among students, lecturers and researchers in the related fields. Further, this conference will bring opportunities to learn together to develop quality research in various fields, expand the collaboration networks among universities and industries, and become a forum to disseminate research and knowledge to a wider audience. The committee received more than 130 papers from the participants and based on the results of the reviews, only 96 papers were declared qualified to be presented at the seminar and subsequently published in the proceedings of CONVASH-2019 Finally, the committee congratulates and expresses gratitude to the selected participants for the participation and paper publication in the proceeding of CONVASH-2019. The committee would also like to thank all parties who have supported and actively participated for the success of this event. Hopefully this Proceeding can be used as a reference for technological development and learning improvement in the fields of education, social, arts, and humanities