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International Productivity Patterns: Accounting for Input Quality, Infrastructure, and Research by Craig, Barbara J., Pardey, Philip G., Roseboom, Johannes

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Causal Relationships between Public Sector Agricultural Research Expenditures and Output by Pardey, Philip G., Craig, Barbara J.

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U.S. agricultural research deflators: 1890–1985 by Pardey, Philip G., Craig, Barbara J., Hallaway, M. L.

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A yardstick for international comparisons: An aplication to national agricultural research expenditure by Pardey, Philip G., Roseboom, Johannes, Craig, Barbara J.

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Dynamics in the creation and depreciation of knowledge, and the returns to research by Alston, Julian M., Craig, Barbara J., Pardey, Philip G.

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Sizing up social science research by Smith, Vincent H., Pardey, Philip G., Craig, Barbara J., Roseboom, Johannes

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