A variety of empirical instruments are used in the book, such as a large-scale international survey, input-output analysis, register data, etc., thus displaying fresh, comparative evidence for Europe, the USA, China, Korea, and Japan. The book also examines the subject within the global value chain context, which is one of the most relevant phenomena of recent decades, and assesses cross-country trends, drawing on a unique industry-level database of intangible assets, based on production input data from all over the world.
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