Directory UMM :Data Elmu:jurnal:E:Economics of Education Review:Vol18.Issue1.Feb1999:
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To test soil management and agronomic practices across a range of soils and climates, that have the potential to overcome adverse soil physical conditions for DS crops after
More plant residues left on or near the soil surface after ploughless soil tillage will lead to higher water content in the upper soil layer, as well as to lower
The Galton±Watson process here is not a stationary Markov process, because the distribution of the number of infectees an infected individual produces depends on his/her generation:
Hoffer, using earlier waves of the same data set, instead combines all students in non-grouped schools into the comparison group, ignoring information on the ability level of
The effects of family background on worker’s wage are significant in the private sector but not in the public sector, suggesting that wages are more sensitive to unobserved ability
To operate optimally, the university must pay nontra- ditional faculty a greater proportion of nontraditional tui- tion proceeds than it pays traditional faculty out of tra-
Mother’s schooling has strong positive impacts on girls’ grade attainment and current enrollment status but has no effect on boys’ education, while father’s education has effects
The literature on the determinants of individual research productivity has stressed the importance of dis- tinguishing between the direct effect of any independent variable and
