Showing 1 - 10 of 37
the case of f real the solution turns out to coincide with what has been variously called biproportional scaling and …
Persistent link: https://www.econbiz.de/10010898972
Benoit Mandelbrot, mathématicien et savant multidisciplinaire, s'intéressa très tôt dans sa carrière à l'étude statistique des données économiques et financières et fut à l'origine de nombreuses idées importantes dans la modélisation statistique des risques financiers, sujet qui le...
Persistent link: https://www.econbiz.de/10009369213
This paper proposes a new fractional model with a time-varying long-memory parameter. The latter evolves nonlinearly according to a transition variable through a logistic function. We present a LR-based test that allows to discriminate between the standard fractional model and our model. We...
Persistent link: https://www.econbiz.de/10010933920
by the exchange rate volatility, and investigate their relationship to a global financial stress indicator, measured by … the volatility on global markets. We introduce the possibility of non-linearities by running smooth transition regressions …
Persistent link: https://www.econbiz.de/10011026166
In ESTAR models it is usually quite difficult to obtain parameter estimates, as it is discussed in the literature. The problem of properly distinguishing the transition function in relation to extreme parameter combinations often leads to getting strongly biased estimators. This paper proposes a...
Persistent link: https://www.econbiz.de/10010635009
The aim of this paper is to study the dynamics of the US real effective exchange rate by capturing nonlinearity and …
Persistent link: https://www.econbiz.de/10008794103
The aim of this paper is to study the dynamics of the US real effective exchange rate by capturing nonlinearity and …
Persistent link: https://www.econbiz.de/10008794371
This article unearths the determinants of the volatility of aggregate and firm-level production proxied by output and … volatility. Similarly to their conclusions, I establish that firm volatility is not driven by a compositional bias in my sample …-level and aggregate level volatility due in part to the 2007 financial crisis. …
Persistent link: https://www.econbiz.de/10010820876
instruments to manage food price volatility. Many developing countries recently pursued price regulation policies, but the … policy to lower food price volatility does not depend on the nature of the policy instrument only, but also on the … be key factor influencing the degree of price volatility. Applied to trade policies, this consistency is defined by the …
Persistent link: https://www.econbiz.de/10010821035
-end varieties has two macroeconomic implications for countries. First, the sources of a country's aggregate exports volatility are …-speci c demand shocks, and thus their volatility on a given market. However, their lower sensitivity to distance allows for a … greater geographic diversi cation of their exports, which in turn reduces aggregate volatility through a portfolio e ect …
Persistent link: https://www.econbiz.de/10010821212