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The latest content from StatisticsViews.http://www.statisticsviews.com2019 Biennial ICPSR Meeting
http://www.statisticsviews.com/details/event/11169724/2019-Biennial-ICPSR-Meeting.html
This year’s conference theme is “Data Storytelling.”]]>2019-07-15T09:50:36ZMultiple imputation in the presence of an incomplete binary variable created from an underlying continuous variable
http://www.statisticsviews.com/details/journalArticle/11169907/Multiple-imputation-in-the-presence-of-an-incomplete-binary-variable-created-fro.html
Abstract Multiple imputation (MI) is used to handle missing at random (MAR) data. Despite warnings from statisticians, continuous variables are often recoded into binary variables. With MI it is important that the imputation and analysis models are compatible; variables should be imputed in the same form they appear in the analysis model. With an encoded binary variable more accurate imputations may be obtained by imputing the underlying continuous variable. We conducted a simulation study to...]]>2019-07-15T01:54:14ZOptimal consumption and investment with liquid and illiquid assets
http://www.statisticsviews.com/details/journalArticle/11169912/Optimal-consumption-and-investment-with-liquid-and-illiquid-assets.html
Abstract I consider an optimal consumption/investment problem to maximize expected utility from consumption. In this market model, the investor is allowed to choose a portfolio that consists of one bond, one liquid risky asset (no transaction costs), and one illiquid risky asset (proportional transaction costs). I fully characterize the optimal consumption and trading strategies in terms of the solution of the free boundary ordinary differential equation (ODE) with an integral constraint. I...]]>2019-07-15T01:32:10ZUnwarranted variation from a health economics perspective
http://www.statisticsviews.com/details/journalArticle/11169914/Unwarranted-variation-from-a-health-economics-perspective.html
]]>2019-07-15T00:49:03ZCan multidisciplinary team meetings reduce burnout?
http://www.statisticsviews.com/details/journalArticle/11169915/Can-multidisciplinary-team-meetings-reduce-burnout.html
Abstract Burnout is an epidemic affecting between a third and two‐thirds of health care providers in the US. The prevalence and impact of burnout in the health care workforce is increasing, and most interventions thus far have shown limited efficacy. In an ongoing mixed‐methods study of establishing a specialty medical home, providers reported gaining interprofessional learning and collegiate support through a patient‐centered weekly team meeting that they believed was protective of burnout....]]>2019-07-15T00:48:37ZClimate vulnerability mapping: A systematic review and future prospects
http://www.statisticsviews.com/details/journalArticle/11169911/Climate-vulnerability-mapping-A-systematic-review-and-future-prospects.html
Abstract Maps synthesizing climate, biophysical and socioeconomic data have become part of the standard tool‐kit for communicating the risks of climate change to society. Vulnerability maps are used to direct attention to geographic areas where impacts on society are expected to be greatest and that may therefore require adaptation interventions. Under the Green Climate Fund and other bilateral climate adaptation funding mechanisms, donors are investing billions of dollars of adaptation funds,...]]>2019-07-15T00:00:00ZRings whose ideals are isomorphic to trace ideals
http://www.statisticsviews.com/details/journalArticle/11169913/Rings-whose-ideals-are-isomorphic-to-trace-ideals.html
Abstract Let R be a commutative noetherian ring. Lindo and Pande have recently posed the question asking when every ideal of R is isomorphic to some trace ideal of R. This paper studies this question and gives several answers. In particular, a complete answer is given in the case where R is local: it is proved in this paper that every ideal of R is isomorphic to a trace ideal if and only if R is an artinian Gorenstein ring, or a 1‐dimensional hypersurface with multiplicity at most 2, or a...]]>2019-07-15T00:00:00ZA direct solution method for pricing options in regime‐switching models
http://www.statisticsviews.com/details/journalArticle/11169667/A-direct-solution-method-for-pricing-options-in-regimeswitching-models.html
Abstract Pricing financial or real options with arbitrary payoffs in regime‐switching models is an important problem in finance. Mathematically, it is to solve, under certain standard assumptions, a general form of optimal stopping problems in regime‐switching models. In this article, we reduce an optimal stopping problem with an arbitrary value function in a two‐regime environment to a pair of optimal stopping problems without regime switching. We then propose a method for finding optimal...]]>2019-07-14T00:00:00ZInstrumental variable estimation in ordinal probit models with mismeasured predictors
http://www.statisticsviews.com/details/journalArticle/11169397/Instrumental-variable-estimation-in-ordinal-probit-models-with-mismeasured-predi.html
Abstract Researchers in the medical, health, and social sciences routinely encounter ordinal variables such as self‐reports of health or happiness. When modelling ordinal outcome variables, it is common to have covariates, for example, attitudes, family income, retrospective variables, measured with error. As is well known, ignoring even random error in covariates can bias coefficients and hence prejudice the estimates of effects. We propose an instrumental variable approach to the estimation...]]>2019-07-12T23:23:01ZA directional look at F‐tests
http://www.statisticsviews.com/details/journalArticle/11169398/A-directional-look-at-Ftests.html
Abstract Directional testing of vector parameters, based on higher order approximations of likelihood theory, can ensure extremely accurate inference, even in high‐dimensional settings where standard first order likelihood results can perform poorly. Here we explore examples of directional inference where the calculations can be simplified, and prove that in several classical situations, the directional test reproduces exact results based on F‐tests. These findings give a new interpretation of...]]>2019-07-12T08:19:42Z