This is a preview. Log in through your library . Abstract This paper considers estimation of a sample selection model subject to conditional heteroskedasticity in both the selection and outcome ...
The factor model is an important construct for both portfolio managers and researchers in modern finance. For practitioners, factor model coefficients are used to guide the construction of optimal ...
SAN FRANCISCO, Sept. 17, 2025 /PRNewswire/ -- Agemin.com, a leading provider of AI-powered age verification solutions, today announced the development of a revolutionary biometric face estimation ...
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