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Endogeneity in stochastic frontier models with 'wrong' skewness: copula approach without external instruments
Stochastic frontier models commonly assume positive skewness for the inefficiency term. However, when this assumption is violated, efficiency scores...
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The weak-instruments problem in factor models
This study considers the instrumental variable estimation of factor models. Specifically, we investigate the weak-instruments problem, which is not...
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Weak runs in sequences of binary trials
In the present paper the metric of distance is adapted to a sequence of binary trials and the concept of r -weak runs is introduced and defined. The...
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Opportunities, Devices, and Instruments
What features of the design of an observational study affect its ability to distinguish a treatment effect from bias due to an unmeasured covariate...
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A weighted average limited information maximum likelihood estimator
In this article, a Stein-type weighted limited information maximum likelihood (LIML) estimator is proposed. It is based on a weighted average of the...
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Examining Cross-Cultural Value Questionnaires with Quantitative Methods
Good measurement instruments have to meet certain necessary conditions, especially if they are to be used in cross-cultural research. In this study,...
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Instruments for Assessing the Role of Commercials on Children’s Food Choices
Today’s children are highly exposed to media and hence also to food advertising. Various strands of research suggest that exposure to advertising may...
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A General Approach to Sensitivity Analysis for Mendelian Randomization
Mendelian Randomization (MR) represents a class of instrumental variable methods using genetic variants. It has become popular in epidemiological...
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Statistical Risk Analysis
Risk is an inherent quantity in financial markets and is of utmost importance to investors and policymakers. Many methods have been proposed to...
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Application of Simultaneous Equation in Finance Research: Methods and Empirical Results
Simultaneous equation models have been widely adopted in finance literature. It is suggested that the relation, particularly the interaction, among...
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Global Validity of Assessments: Location and Currency Effects
As assessments are used in an increasingly multicultural and connected world, there is a growing need to verify that they are equally valid across...
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Nonlinear Estimation Methods for Mendelian Randomization in Genetic Studies
Mendelian Randomization is a very popular method to estimate causal effects in genomic studies. Recently, there has been much research in...
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Instrumental variables in structural equation modelling: an application on the impact of labour factors on health and standard of livings
Employment is considered a significant determinant of living standards around the globe. For most people, work is the primary source of income, and...
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Weak identification in probit models with endogenous covariates
Weak identification is a well-known issue in the context of linear structural models. However, for probit models with endogenous explanatory...
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A Global Flow of Funds Perspective on Debt, Assets, and Imbalances
This chapter establishes an analytical framework for examining the global flow of funds (GFF); expanding on the concept, research object, and...
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Instrumentenvariablen
Für die Schätzung kausaler Effekte werden häufig multiple lineare Regressionsmodelle verwendet, in welchen sehr einfach auf weitere Einflussfaktoren...
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Statistics and Data Analysis in a Regression Model
We make an important transition in this chapter from the focus of the previous two chapters. In Chaps. 3 and...
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Model Selection and Regularization
This chapter presents regularization and selection methods for linear and nonlinear (parametric)Parametric models. These are important Machine...
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Relationship Between Students’ Test Results and Their Performance in Higher Education Using Different Test Scores
The aim of this study is to examine the relationship between students’ college admissions test results and their performance in higher education...
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Measuring Global Flow of Funds: Methods and Applications
This Chapter aims to establish a new statistical framework for measuring global flow of funds (GFF) based on its inherent mechanisms. It advances a...