Total: 1000, showing 991 - 1000. Order by Relevance · Date · Visits · Title
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991. Acquisition and Comprehension of a Tool-Using Behavior by Young Chimpanzees (Pan Troglodytes): Effects of Age and Modeling

Bard, K A, Fragaszy, D, Visalberghi, E,

Theacquisition of a tool-using ability was investigated in six young chimpanzees (Pan troglodytes, 2 to 4 years old). Age-matched pairs were presented with a horizontal transparent tube with a food it...

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992. Uniqueness, Diversity, Similarity, Repeatability, and Heritability

Hirsch, Jerry,

This paper reexamines classic attempts at estimating the number of possible genotypes for a species. In the original computations (Hirsch, 1963), the probability that any two human parents will produc...

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993. A maximum likelihood approach to parallel imaging with coil sensitivity noise.

Raj, Ashish, Wang, Yi, Zabih, Ramin,

Parallel imaging is a powerful technique to speed up magnetic resonance (MR) image acquisition via multiple coils. Both the received signal of each coil and its sensitivity map, which describes its sp...

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994. A Monte Carlo study of growth regressions

Hauk, William R., Wacziarg, Romain,

Using Monte Carlo simulations, this paper evaluates the bias properties of estimators commonly used to estimate growth regressions derived from the Solow model. We explicitly allow for measurement err...

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995. Co-evolutionary Dynamics of Culture, Parochial Cooperation, and Networks

Kim, Jae-Woo,

Theoretically informed by recent computational and mathematical studies highlighting the importance of signals and networks in the evolution of cooperation, the present research undertakes simulation ...

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996. Using indirect methods to constrain symbiotic nitrogen fixation rates: a case study from an Amazonian rain forest

Cleveland, Cory C., Houlton, Benjamin Z., Neill, Christopher, Reed, Sasha C., Townsend, Alan R., Wan...

Human activities have profoundly altered the global nitrogen (N) cycle. Increases in anthropogenic N have had multiple effects on the atmosphere, on terrestrial, freshwater and marine ecosystems, and ...

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997. The Worldwide Governance Indicators : Methodology and Analytical Issues

Kaufmann, Daniel, Kraay, Aart, Mastruzzi, Massimo,

This paper summarizes the methodology of the Worldwide Governance Indicators (WGI) project, and related analytical issues. The WGI cover over 200 countries and territories, measuring six dimensions of...

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998. Did Higher Inequality Impede Growth in Rural China?

Benjamin, Dwayne, Brandt, Loren, Giles, John,

This paper estimates the relationship between initial village inequality and subsequent household income growth for a large sample of households in rural China. Using a rich longitudinal survey spanni...

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999. Mashup Indices of Development

Ravallion, Martin,

Countries are increasingly being ranked by some new "mashup index of development," defined as a composite index for which existing theory and practice provides little or no guidance to its design. Thu...

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1000. Effects of Primary, Secondary and Tertiary Education on Economic Growth

Loening, Josef L.,

Loening investigates the impact of human capital on economic growth in Guatemala during 1951-2002 using an error-correction methodology. The results show a better-educated labor force having a positiv...

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