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This study proposes a wavelets approach to estimating time-frequency-varying betas in the capital asset pricing model … (CAPM) framework. The dynamic of systematic risk across time and frequency is analyzed to investigate stock risk … characteristics. We use a daily panel of French stocks from 2012 to 2022. Results show that varying systematic risk varies in time and …
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We examine the measurement of individual poverty in an intertemporal context. Our aim is to capture the importance of persistence in a state of poverty and we characterize a corresponding individual intertemporal poverty measure. Our first axiom requires that intertemporal poverty is identical...
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