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Periodismo Digital: tras las comunidades sostenibles en el ciberespacio
Uno de los principales cuestionamientos a la comunicación fue siempre la supeditación de los intereses de las grandes empresas de comunicación en desmedro de la libertad periodística. La empresa de comunicación fue, junto a los poderes políticos y económicos, uno de los verdugos al ideal del periodismo, la libertad de expresión. La propiedad de los medios estuvo ligado a las críticas de la manipulación de la opinión pública ante los intereses generados por parte de quienes asumen esta propiedad.
Mushrooms, Humans and Nature in a Changing World
This book focuses on recent advances in our understanding of wild edible mycorrhizal fungi, truffle and mushrooms and their cultivation. In addition to providing fresh insights into various topics, e.g. taxonomy, ecology, cultivation and environmental impact, it also demonstrates the clear but fragile link between wild edible mushrooms and human societies. Comprising 17 chapters written by 41 experts from 13 countries on four continents, it enables readers to grasp the importance of protecting this unique, invaluable, renewable resource in the context of climate change and unprecedented biodiversity loss. The book inspires professionals and encourages young researchers to enter this field to...
Promoting Health, Preventing Disease The Economic Case
A growing body of evidence from economic studies shows areas where appropriate policies can generate health and other benefits at an affordable cost, sometimes reducing health expenditure and helping to redress health inequalities at the same time.
Land market distortions and aggregate agricultural productivity: Evidence from Guatemala
Farm size and land allocation are important factors in explaining lagging agricultural productivity in developing countries. This paper examines the effect of land market imperfections on land allocation across farmers and aggregate agricultural productivity. We develop a theoretical framework to model the optimal size distribution of farms and assess to what extent market imperfections can explain non-optimal land allocation and output in-efficiency. We measure these distortions for the case of Guatemala using agricultural census microdata. We find that due to land market imperfections aggregate output is 19% below its efficient level for both maize and beans and 31% below for coffee, which are three major crops produced nationwide. The regions with higher distortions show a higher dispersion in land prices and less active rental markets. We also find that the degree of land market distortions across locations co-variate with road accessibility and ethnicity and, in a lower extent, with education.
Distributional Cost-Effectiveness Analysis
Distributional cost-effectiveness analysis aims to help healthcare and public health organizations make fairer decisions with better outcomes. It can provide information about equity in the distribution of costs and effects - who gains, who loses, and by how much - and the trade-offs that sometimes occur between equity and efficiency. This is a practical guide to methods for quantifying the equity impacts of health programmes in high, middle, and low-income countries. The methods can be tailored to analyse different equity concerns in different decision making contexts. The handbook provides both hands-on training for postgraduate students and analysts and an accessible guide for academics, practitioners, managers, policymakers, and stakeholders. Part I is an introduction and overview for research commissioners, users, and producers. Parts II and III provide step-by-step guidance on how to simulate and evaluate distributions, with accompanying spreadsheet training exercises. Part IV concludes with discussions about how to handle uncertainty about facts and disagreement about values, and the future challenges facing this growing field. Book jacket.
Telomeres and Telomerase
Telomeres are essential functional elements of eukaryotic chromosomes. Their fundamental biological role as protectors of chromosome stability was identified for the first time in the 1930s by Hermann Muller and Barbara McClintock based on pioneering cytological experiments. Modern molecular research carried out more recently revealed that telomeres and telomerase play important roles in processes such as carcinogenesis and cellular senescence. This special issue presents the most recent developments in this highly active field of research. It is becoming increasingly clear that molecular pathways involved in regulation of telomere length and structure are functionally linked with pathways involved in DNA damage response, cellular stress response, chromatin organization and perhaps even pathways that regulate evolutionary chromosome rearrangements. The above functional link is explored by the leading experts in the field of telomere biology. Cell biologists, molecular biologists, oncologists, gerontologists, and radiobiologists with an interest in the role of telomeres/telomerase will appreciate the up-to-date information in this publication.
Oxford Textbook of Global Public Health
Sixth edition of the hugely successful, internationally recognised textbook on global public health and epidemiology comprehensively covering the scope, methods, and practice of the discipline.
Leishmaniasis
Of all the parasitic diseases, leishmaniasis is one of the most diverse, with a variety of manifestations, from relatively minor cutaneous lesions to deadly visceral infections. It is also widespread, causing human disease in the Americas, Asia, Europe and Africa. The environments in which this disease occurs range from desert to tropical jungle to urban habitats. Not surprisingly, the literature on this disease is written in a variety of languages including Portuguese, Arabic, English and French among others. This book provides a synopsis in English of much of the recent research on leishmaniasis, with a focus on the epidemiology, diagnosis and treatment of the disease as described by researchers around the world, but with a focus on the research from Brazil and the Middle East.
The New Rules of Marketing and PR
A completely revised and updated edition of the BusinessWeek bestseller on effective, modern marketing and PR best practices The New Rules of Marketing and PR shows you how to leverage the potential that Web-based communication offers your business. Finally, you can speak directly to customers and buyers, establishing a personal link with the people who make your business work. This new second edition paperback keeps you up-to-date on the latest trends. New case studies and current examples are included to illustrate the very latest in marketing and PR trends Completely updated to reflect the latest marketing and PR techniques using social media sites such as Twitter, Facebook, and YouTube I...
Managing for the Long Run
Fidelity, Hallmark, Michelin, and Wal-Mart are renowned industry powerhouses with long leadership track records. Yet these celebrated companies are united by another factor not generally equated with competitive success: They are all family-controlled businesses. While many view the hallmarks of family businesses—stable strategies, clan cultures, and unencumbered family ownership—as weaknesses, Danny Miller and Isabelle Le Breton-Miller argue that it is these very characteristics that create formidable competitive advantages for many such firms. Managing for the Long Run draws from a worldwide study of enduring, family-run organizations—including Cargill, Timken, L.L. Bean, The New Yor...
