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Infrastructure's Contribution to Aggregate Output

David Canning

出版	World Bank Publications, 1999
URL	http://books.google.com.hk/books?id=Ya-_TY2eVFsC&hl=&source=gbs_api
EBook	SAMPLE

註釋

"Of the major kinds of physical infrastructure, electricity generating capacity has roughly the same marginal productivity as physical capital as a whole. So have roads-plus-rail, globally and in lower-income countries. Telephones, however, and transport routes in higher-income countries, have higher marginal productivity than other kinds of capital"--Cover.