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Using data from various Chinese companies for the period 1994-2005 and applying GMM (System) technique, we report some stylized facts regarding the link between uncertainty and investment, where uncertainty is measured as the volatility of daily stock market returns. Controlling for the short-...
Persistent link: https://www.econbiz.de/10005397304
Shanghai is a low-lying city (3–4 m elevation) surrounded on three sides by the East China Sea, the Yangtze River Estuary, and Hangzhou Bay. With a history of rapid changes in sea level and land subsidence, Shanghai is often plagued by extreme typhoon storm surges. The interaction of sea...
Persistent link: https://www.econbiz.de/10011000460
In this paper, we determine the eccentric connectivity index and augmented eccentric connectivity index of fan graph, wheel graph, gear fan graph, gear wheel graph and their r-corona graphs.
Persistent link: https://www.econbiz.de/10010951511
Hsu and Berger (J. Amer. Statist. Assoc. 50 (1999) 468) proposed a stepwise confidence interval procedure for identifying the minimum effective dose in dose-response studies under homoscedasticity. In practice, homogeneity of variance is often in doubt. In this paper, we extend Hsu and Berger's...
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Semiparametric methods for longitudinal data with dependence within subjects have recently received considerable attention. Existing approaches that focus on modeling the mean structure require a correct specification of the covariance structure as misspecified covariance structures may lead to...
Persistent link: https://www.econbiz.de/10009249218
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Generalized iterative scaling (GIS) has become a popular method for getting the maximum likelihood estimates for log-linear models. It is basically a sequence of successive I-projections onto sets of probability vectors with some given linear combinations of probability vectors. However, when a...
Persistent link: https://www.econbiz.de/10008550854
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