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The comparative kilogram-price of an equivalent product group in international trade is a rough indication of underlying technological capability. Although there are many theoretical and practical difficulties involved in applying this approach to East-West trade, these difficulties can be minimised by a careful selection of product groups. In this connection, advanced chemical products are particularly suitable because the chemical industry is one in which both kilogram-prices and technological sophistication tend to increase hand-in-hand at successive stages of manufacture. The results of this enquiry are quite striking. From the standpoint of bilateral trade, the kilogram-prices of Soviet and East European exports to the EEC countries are consistently lower than those of corresponding imports from the EEC. Throughout the period 1960–1972 these differentials appears to be closing either very slowly or not at all, while the Soviet and East European share of the EEC marked has remained more or less constant or has declined since the mid-1960's. From the alternative perspective of the “neutral” Yugoslavian market, the kilogram-prices of EEC exports are again consistently higher than those obtained by the Comecon coun tries. Moreover, there has been a considerable eroson in the market share of the Comecon countries since the mid-1960's. These general findings are broadly in line with other kinds of estimates and suggest that in these relatively advanced and dynamic sectors of industry, Soviet and East European technology is at present substantially inferior to that of the Common Market countries.  相似文献   
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Cultural Studies of Science Education - Education and Social Media: Toward a Digital Future (2016), edited by Christine Greenhow, Julia Sonnevend, and Colin Agur, is a compilation of essays by...  相似文献   
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Education and Social Media: Toward a Digital Future (2016), edited by Christine Greenhow, Julia Sonnevend, and Colin Agur, is a compilation of essays by leading contributors to the digital and social media movement in education. The chapters within this volume provide a granular look at the current landscape of how digital media is utilized across educational levels, fields of study, and geographic areas. The book is divided into three sections discussing the emerging use of social media in education, challenges in its implementation, and potential directions as tech-based education continues to evolve. In this review, we situate the ideas presented in Education and Social Media in the functionalist and conflict theories of educational perspective to further illuminate the potential of digital learning in supporting increased access to education for marginalized student populations. We discuss how these competing views are both given voice in Education and Social Media, prompting the reader to critically reflect on advantages and dangers presented by increased use of technological platforms in educational settings. Topics discussed include online universities, peer-developed curriculum, and differential use of technology based on school socioeconomic demographics. We also suggest areas that have emerged in need of further discussion since the book’s publication.  相似文献   
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