Roads are the arteries through which the economy pulses. They connect sellers to markets, workers to jobs, students to education, and the sick to hospitals. Yet much of the developing world, Africa in particular, lacks adequate transportation infrastructure. Accordingly investments in transportation remain a cornerstone of the development agenda. Sub-Saharan Africa spends roughly $6.8 billion per year on paving roads, and the World Bank invests more on roads than on education, health, and social services combined. Despite the development focus on transportation, methodologies for evaluating which road projects to fund are often dis-jointed and unreliable. This report hopes to improve upon the current approaches by establishing a new methodology for prioritization which can be applied to a diverse set of scenarios, regions, and projects. This book demonstrates how modern econometrics and geospatial techniques can be combined to analyze the latest available geo-referenced datasets at the smallest possible scale to answer some of the most important questions in development. Uniquely this report attempts to shed light on some of the most profound puzzles in determining the impacts of roads and where to locate these. Does road infrastructure unleash a virtuous growth cycle? Is it advisable to improve roads in conflict prone zones? What is the effect of improving market access on farming practices? And what are the impacts of roads on forests and biodiversity? It is envisioned that the approach used in this book can be a reference guide to researchers from across the spectrum of international development, who are seeking new tools and insights into the many issues (technical and non-technical) of this important field.
A large share of cross-country differences in productivity is explained by differences in agricultural productivity. Using a combination of sub-national agricultural statistics and geospatial datasets on crop-specific potential yields, we study the main drivers of this variation from a macroeconomic perspective. We find that differences in geographically-induced crop-specific comparative advantages can explain a substantial share of the variation in yields across the world. Data reveal substantial gaps between potential and observed yields in most countries. When decomposing these within country gaps, we find that crop selection gaps are on average larger than those induced by input usage alone. The results highlight the importance of understanding the interaction of geography and crop selection drivers in assessing aggregate agricultural productivity differences.
Geballte Kreativität für die Weihnachtszeit! Das weihnachtliche Ideenfeuerwerk für kreative Weihnachtsfans - hier finden sich die 50beliebtesten Kreativprojekte für die schöne Zeit des Jahres inklusive passender Vorlagen: farbenfrohe und festliche Dekoration, fantastisch Praktisches und individuelle Geschenke. Mit Papier, Makramee, Modelliermasse und Co. lässt sich so viel Kreatives zaubern vom stolzen Hirsch bis zum leuchtenden Weihnachtsdorf, vom gemütlichenSternenkissenbis zur niedlichenZuckerstange. Die Wundertüte für alle Deko-Queens und Bastelfamilys - alles, was das DIY-Herz begehrt, um sich die Advents- und Weihnachtszeit so richtig schön zu machen.
Nearly eighty years have passed since the Holocaust. There have been hundreds of memoirs, histories and novels written about it, yet many fear that this important event may fall into oblivion. As Holocaust survivors pass away, their legacy of suffering, tenacity and courage could be forgotten. It is up to each generation to commemorate the victims, preserve their life stories and hopefully help prevent such catastrophes. These were my main motivations in writing this book, Holocaust Memories, which includes reviews of memoirs, histories, biographies, novels and films about the Holocaust. It was difficult to choose among the multitude of books on the subject that deserve our attention. I made my selections based partly on the works that are considered to be the most important on the subject; partly on wishing to offer some historical background about the Holocaust in different countries and regions that were occupied by or allied themselves with Nazi Germany, and partly on my personal preferences, interests and knowledge. The Nazis targeted European Jews as their main victims, so my book focuses primarily on them. At the same time, since the Nazis also targeted other groups they considered dangerous and inferior, I also review books about the sufferings of the Gypsies, the Poles and other groups that fell victim to the Nazi regimes. In the last part, I review books that discuss other genocides and crimes against humanity, including the Stalinist mass purges, the Cambodian massacres by the Pol Pot regime and the Rwandan genocide. I want to emphasize that history can, indeed, repeat itself, even if in different forms and contexts. Just as the Jews of Europe were not the only targets of genocide, Fascist regimes were not its only perpetrators.
Whatever the practice setting - acute care, rehabilitation, outpatient, extended care, or in a school - turn to this handy pocket guide to the neurological examination. Small in size, but not in content, it covers all of the common neuromuscular conditions, disorders, and diseases you might encountered in patients throughout their lifespans.
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