In: Rivista italiana di ragioneria e di economia aziendale, 2005/105/11/12/705-720
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In: Statistics & probability letters, 2010, vol. 80, no. 5-6, p. 421-426
We consider quasi-martingales indexed by a linearly order set. We show that such processes are isomorphic to a given class of (finitely additive) measures. From this result we easily derive the classical theorem of Stricker as well as the decompositions of Riesz, Rao and the supermartingale decomposition of Doob and Meyer.
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In: The journal of product and brand management, 2010, vol. 19, no. 5, p. 356-366
This contribution aims to shed light on the specificity of branding approaches for young companies for the reason that branding is a crucial activity for the survival and success of a newly established firm as it facilitates finding and maintain customers. We analyze fifteen of the largest and most successful start-up companies of Switzerland, adopting a case study methodology, mainly...
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In: Journal of the American statistical association, 1996, vol. 91, no. 434, p. 666-673
Saddlepoint approximations of marginal densities and tail probabilities of general nonlinear statistics are derived. They are based on the expansion of the statistic up to the second order. Their accuracy is shown in a variety of examples, including logit and probit models and rank estimators for regression.
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