We study the relationship between school organizational contexts, teacher turnover, and student achievement in New York City (NYC) middle schools. Using factor analysis, we construct measures of four distinct dimensions of school contexts captured on the annual NYC School Survey. We identify credible estimates by isolating variation in organizational contexts within schools over time. We find t...

Financial derivatives commonly contain pre-mature termination clauses, which are embedded rights held by the holder or writer. Well known examples of these stopping rights include the early exercise right in American options, the callable right in callable securities and the prepayment right in mortgage loans. In this paper, we show how to model the mortgagor’s prepayment in mortgage loans and ...

We read the publication by Liu (2016) on authorship misconduct with a great interest. In fact, the authorship misconduct is no uncommon and has to be managed. Liu (2016) noted that “Proper authorship embodies honesty, integrity, fairness and transparency, which surely are the very essence of any scientific pursuit.” Due to the present requirement on academic publication to support academic rank...

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....................................................................................................................................... ii Acknowledgements ...................................................................................................................... v Dedication ................................................................................................................

Using college student samples, two studies were conducted to validate the Chinese version of the Domain-Specific Risk-Taking (DOSPERT) Scale. The results replicated important findings reported by Weber et al. (2002) in the Chinese culture. Risk-taking and risk perception were domain-specific, whereas perceived-risk attitudes were relatively stable across domains, supporting the risk-return mode...

introduction: obesity is common in patients with cardiovascular disease (cvd) and the vast majority of patients entering into cardiac rehabilitation program (crp) are obese. regarding the gender differences, the risk of developing coronary heart disease (chd) is recognized to be different between obese men and women. so, the purpose of this study was to explore the effect of crp in functional c...