Knowledge Capital and Aggregate Income Differences: Development Accounting for U.S. States

Jens Ruhose (), Eric Hanushek and Ludger Woessmann

VfS Annual Conference 2016 (Augsburg): Demographic Change from Verein für Socialpolitik / German Economic Association

Abstract: Although many U.S. state policies presume that human capital is important for state economic development, there is little research linking better education to state incomes. We develop detailed measures of skills of workers in each state based on school attainment from census micro data and on cognitive skills from state- and country-of-origin achievement tests. These new measures of knowledge capital permit development accounting analyses calibrated with standard production parameters. We find that differences in knowledge capital account for 20-35 percent of the current variation in per-capita GDP among states, with roughly even contributions by school attainment and cognitive skills. Similar results emerge from growth accounting analyses, emphasizing the importance of appropriately measuring worker skills. These estimates support emphasis on school improvement as a strategy for state economic development.

JEL-codes: I25 J24 O47 (search for similar items in EconPapers)
Date: 2016
New Economics Papers: this item is included in nep-edu, nep-knm, nep-ltv and nep-ure
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Citations: View citations in EconPapers (2)

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Related works:
Journal Article: Knowledge Capital and Aggregate Income Differences: Development Accounting for US States (2017)
Working Paper: Knowledge Capital and Aggregate Income Differences: Development Accounting for US States\ (2017)
Working Paper: Knowledge Capital and Aggregate Income Differences: Development Accounting for U.S. States (2016)
Working Paper: Knowledge Capital and Aggregate Income Differences: Development Accounting for U.S. States (2015)
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