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This paper proposes a regularisation method for the estimation of large covariance matrices that uses insights from the multiple testing (MT) literature. The approach tests the statistical significance of individual pair-wise correlations and sets to zero those elements that are not...
Persistent link: https://www.econbiz.de/10011405221
Economic policies are generally formulated on the basis of data available in real time, which might subsequently be revised. Implicitly, the possibility of data revisions creates an element of uncertainty around the very same data driving policy decisions. Given that such uncertainty could be...
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policy and research, the accurate design, implementation, and analysis of survey data has become paramount. In this paper, we … examine the impact of the gender of the interviewer on survey responses in Latin America and the Caribbean, both individually … and in the aggregate, using data from the LAPOP surveys (2012-2018). We also present a formal model that illustrates how …
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This paper examines measurement error in the share of income going to the top 1% (and other subgroups) that comes from estimation of the denominator. We compare two approaches. First, the default ‘external’ approach used in the current literature, which relies on different data sources for...
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