We estimate the effect of age of school entry on educational attainment using three different data sets for Germany, sampling pupils at the end of primary school, in the middle of secondary school and several years after secondary school. Results are obtained based on instrumental variable...

What follows are my comments on the nal draft of the CCSSI Core Mathematics Standards. There are a number of standards including, but not limited to 1-OA(6), 2- OA(2), 2-NBT(5), 3-OA(7), 3-NBT(2), 4-OA(4), 4-OA(6), 4-NF(1), 4-NF(2), 5-OA(3), 8-G(2), 8-G(4), F-LQE(5), G-SRT(4) that are completely...

This presentation summarizes research on the effect of testing on student achievement as found in English-language sources, comprising several hundred studies conducted between 1910 and 2010. Among quantitative studies, mean effect sizes range from a moderate d ˜ 0.55 to a fairly large d ˜...

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During the last 15 years--especially in the 1980s--wage inequality rose in the United States. It appears that this can be explained by a secular shift in production functions favoring workers with intellectual rather than manual skills, together with slower growth in the supply of skilled labor...

This article investigates two prominent explanations--technology and trade--for growing wage inequality by educational attainment. The analysis indicates a prominent role for technological improvements and a modest but still significant role for increased competition from imports.

Training programs targeted toward lower skilled workers to a much greater extent than is currently the case could play an important role in narrowing the wage gap. Specific strategies would include assisting firms to develop their own programs, improving the school-to-work transition for...

The increase in wage inequality during the 1980s was exceptional, but underlying demand and supply conditions showed relatively little contrast compared to previous decades. One possible explanation is that the increased demand for skills during the 1980s was unusually concentrated among the...