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The so-called leverage hypothesis is that negative shocks to prices/ returns affect volatility more than equal positive shocks. Whether this is attributable to changing financial leverage is still subject to dispute but the terminology is in wide use. There are many tests of the leverage...
Persistent link: https://www.econbiz.de/10009759803
The so-called leverage hypothesis is that negative shocks to prices/returns affect volatility more than equal positive shocks. Whether this is attributable to changing financial leverage is still subject to dispute but the terminology is in wide use. There are many tests of the leverage...
Persistent link: https://www.econbiz.de/10013036502
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Macroeconomic risk assessments play an important role in the forecasts of many institutions. A risk forecast is related … to the potential asymmetry of the forecast density. In this work, we investigate how the optimality of such risk … possible. In general, tests for macroeconomic risk forecast optimality tend to have at best moderate power given the …
Persistent link: https://www.econbiz.de/10009159238
Under the Basel II regulatory framework non-negligible statistical problems arise when backtesting risk measures. In …. According to Escanciano and Olmo (2010, 2011) these problems persist when incorporating estimation and model risk by adjusting … adequacy of Value at Risk measures. One main finding indicates that backtests of all classes show heavy size distortions. These …
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