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The Breslow (1974) and Efron (1977) approximations are two of the most widely-used methods for calculating the computationally-intensive partial likelihood function of continuous-time Cox (1972)-type proportional hazards regressions in the presence of tied data. This article develops analytical...
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We use supervised learning to identify factors that predict the cross-section of returns and maximum drawdown for stocks in the US equity market. Our data run from January 1970 to December 2019 and our analysis includes ordinary least squares, penalized linear regressions, tree-based models, and...
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, including smooth transition regression models, logistic smooth transition regressions models, threshold autoregressive models … relationships with the US dollar are captured best by neural net regression models, over the ten year sample of daily exchange rate …
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