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The Coronavirus and the Great Influenza Epidemic - Lessons from the 'Spanish Flu' for the Coronavirus's Potential Effects on Mortality and Economic Activity

Barro, Robert J. - 2020

.0 percent of world population, implying 150 million deaths when applied to current population. Regressions with annual …

Persistent link: https://www.econbiz.de/10012839262

A new approach to bootstrap inference in functional coefficient models

Herwartz, Helmut; Xu, Fang - 2007

We introduce a new, factor based bootstrap approach which is robust under heteroskedastic error terms for inference in functional coefficient models. Modeling the functional coefficient parametrically, the bootstrap approximation of an F statistic is shown to hold asymptotically. In simulation...

Persistent link: https://www.econbiz.de/10010296279

Long-Run Links Among Money, Prices, and Output: World-Wide Evidence

Reimers, Hans-Eggert; Herwartz, Helmut - 2001

analyse this topic by means of a P-star model. Based on the quantity theory of money, this approach explains inflation via a …. Moreover, parameter restrictions for the long-run relationships implied by the monetary theory are tested. Country specific P … Preisniveau und dem realen Output testet. Weiterhin werden die Parameterrestriktionen, die sich durch die monet¨are Theorie …

Persistent link: https://www.econbiz.de/10010295711

Modelling the Fisher hypothesis: World wide evidence

Herwartz, Helmut; Reimers, Hans-Eggert - 2006

In this paper we follow an empirical approach to examine the implications of the Fisher hypothesis, namely cointegration linking interest rates and inflation, and stationarity of the real interest rate implying in turn homogeneity of the potential equilibrium relation. The considered sample is...

Persistent link: https://www.econbiz.de/10010296257

A functional coefficient model view of the Feldstein-Horioka puzzle

Herwartz, Helmut; Xu, Fang - 2007

What does the saving-investment (SI) relation really measure and how should the (SI) relation be measured? These are two of the most discussed issues triggered by the so called Feldstein-Horioka puzzle. Based on panel data we introduce a new variant of functional coefficient models that allow to...

Persistent link: https://www.econbiz.de/10010296278

Semiparametric Approaches to the Prediction of Conditional Correlation Matrices in Finance

Herwartz, Helmut; Golosnoy, Vasyl - 2007

We consider the problem of ex-ante forecasting conditional correlation patterns using ultra high frequency data. Flexible semiparametric predictors referring to the class of dynamic panel and dynamic factor models are adopted for daily forecasts. The parsimonious set up of our approach allows to...

Persistent link: https://www.econbiz.de/10010296287