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Article
Open AccessMigrated tubal sterilisation clip presenting as a subcutaneous gluteal foreign body 24 years later: a case report and literature review
The incidence of sterilisation clip migration is reportedly 25%. However, less than 1% of those who experience clip migration will present with pain, an abscess, or spontaneous extrusion. Here we present a rar...
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Article
Open AccessAnalysis of Data Generation and Preparation for Porosity Prediction in Cold Spray using Machine Learning
Cold spray is an additive manufacturing and coating process in which powder particles are accelerated to supersonic speeds without melting them and then deposit on a surface to form a layer of a coating. Proce...
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Article
ESG risk and returns implied by demand-based asset pricing models
We investigate how changes in demand for Environment, Social and Governance (ESG) characteristics affect stock prices. We consider three scenarios: increased demand for ESG characteristics by investors, shifts...
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Article
Early repeat hospitalization for fluid overload in individuals with cardiovascular disease and risks: a retrospective cohort study
Fluid overload is a common manifestation of cardiovascular and kidney disease and a leading cause of hospitalizations. To identify patients at risk of recurrent severe fluid overload, we evaluated the incidenc...
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Article
Tax-Aware Portfolio Construction via Convex Optimization
We describe an optimization-based tax-aware portfolio construction method that adds tax liability to standard Markowitz-based portfolio construction. Our method produces a trade list that specifies the number ...
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Chapter
BlackRock: Reserves Management with Factors and Reference Portfolios
Factors—historically broad and persistent sources of return—can be used with simple equity-bond Reference Portfolios to meet the multiple challenges facing official reserve institutions. First, Reference Portf...
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Article
Factor risk premiums and invested capital: calculations with stochastic discount factors
Factor portfolios with value, size, momentum, profitability, and low volatility stocks have historically exhibited high returns after adjusting for market risk. As the weights of these portfolios increase in t...
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Chapter and Conference Paper
Adaptive Learning Open Source Initiative for MOOC Experimentation
In personalized adaptive systems, the learner’s progress toward clearly defined goals is continually assessed, the assessment occurs when a student is ready to demonstrate competency, and supporting materials...
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Article
Upcoming catalysts in Q4 2014
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Article
Donor-specific B-cell tolerance after ABO-incompatible infant heart transplantation
Although over 50 years have passed since its first laboratory description, intentional induction of immune tolerance to foreign antigens has remained an elusive clinical goal. We previously reported that the r...
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Article
A General Affine Earnings Valuation Model
We introduce a methodology, with two applications, that incorporates stochastic interest rates, heteroskedasticity and risk aversion into the residual income model. In the first application, goodwill is an aff...