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Borrowing Trouble? Human Capital Investment with Opt-In Costs and Implications for the E
Human Capital Investment Opt-In Costs
2015/9/24
We estimate the impact of grant aid on borrowing and educational attainment of students
enrolled in a large public university system using regression discontinuity and regression kink
designs. Each ...
In (2 , n) visual cryptographic schemes, a secret image(text or picture) is encrypted
into n shares which are distributed among n participants. The image cannot be decoded from
any single share but ...
Opt Out or Top Up? Voluntary Healthcare Insurance and the Public vs. Private Substitution
public provision of private goods health insurance bivariate count data model endogenous multinomial treatment simultaneous equation modeling
2012/10/24
We investigate whether people enrolled into voluntary health insurance (VHI) substitute public consumption with private (opt out) or just enlarge their private consumption, without reducing reliance u...
基于改进ACS-3-opt蚁群算法的TSP
蚁群算法 信息素阈值 公共路径
2009/8/6
在ACS-3-opt算法求解中，大规模TSP问题易于停滞。该文提出一种改进的算法，在ACS-3-opt算法停滞后，自适应地调整具有局部搜索能力蚂蚁的数量，并通过提高最小信息素的阈值扩大搜索空间，当算法再次停滞时，增强算法两次停滞时最优路径的公共路径上的信息素，为算法的运行提供较好的初始信息，并引导算法朝最优解的方向进行求解。大中型规模TSP问题的求解结果表明，该算法能够有效地跳出局部最优，解的质量...
【发布单位】商务部
【发布文号】商务部公告2005年第49号
【发布日期】2005-07-21
【生效日期】2005-07-21
【失效日期】-----------
【所属类别】政策参考
【文件来源】商务部
商务部公告2005年第49号
关于实施临时出口10类纺织品中输欧手工制品及OPT产品出口问题
根据《中国商务部与欧盟委员会关于中国部分输欧纺织品和服装的谅解备忘录》（以下简称谅解备忘录...
Influence of β - cyclodextrin complexation on lovastatin release from osmotic pump tablets (OPT)
β-Cyclodextrin Inclusion complex Elementary osmotic pump (EOP)
2010/4/8
An extended-release osmotic dosage form was designed and the effect of β-cyclodextrin (BCD) inclusion complexation on the solubility of lovastatin in aqueous media was investigated. The lovastatin BCD...