نتایج جستجو برای: electron mobility
تعداد نتایج: 370724 فیلتر نتایج به سال:
Materials used for manned space flight are tightly controlled to ensure the safety of the crewmembers. Significant changes to the economic environment as well as impact from environmental restrictions have resulted in material obsolescence that requires recertification or revalidation, increasing cost and risk to the program. This paper will review the impact this issue has had on the Shuttle E...
This paper takes a new approach to testing whether employer learning is public or private. We show that public and private learning schemes make two distinct predictions about the curvature of wage growth paths when there is a job change, because the amount of information transferred to a new employer about workers’ productivity is smaller in the private learning case than in the public learnin...
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