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We test for causality between inflation and its associated uncertainty by means of both in-sample and out-of-sample modelling. Our findings indicate that the impact of inflation on inflation uncertainty is more pronounced than the reverse causal effect. 相似文献
54.
We investigate the causal relationship between the growth rate of top income shares and economic growth in 12 OECD economies for the period 1950–2010. To analyze patterns of short- and long-run causality, we build upon recent advances in structural-vector autoregressive modeling of non-Gaussian systems. This framework allows us to discriminate between rival transmission channels by means of dependence tests, since independent shocks are unique for a particular causation pattern. We consider the share of income accruing to the top 1 percent (1), to the next 9 percent (9), and to the top decile (10). While structural models display considerable heterogeneity across countries, mean group and pooled results strongly favor a specific transmission pattern. In particular, 1 has a long-run positive impact on economic development. This result, which is also confirmed by identified impulse-response functions, is particularly evident for the post-1980 period. 相似文献
55.
(G)ARCH-type models are frequently used for the dynamic modelling and forecasting of risk attached to speculative asset returns. While the symmetric and conditionally Gaussian GARCH model has been generalized in a manifold of directions, model innovations are mostly presumed to stem from an underlying IID distribution. For a cross section of 18 stock market indices, we notice that (threshold) (T)GARCH-implied model innovations are likely at odds with the commonly held IID assumption. Two complementary strategies are pursued to evaluate the conditional distributions of consecutive TGARCH innovations, a non-parametric approach and a class of standardized copula distributions. Modelling higher order dependence patterns is found to improve standard TGARCH-implied conditional value-at-risk and expected shortfall out-of-sample forecasts that rely on the notion of IID innovations. 相似文献
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57.
Helmut Herwartz 《Empirical Economics》1999,24(2):271-301
The paper provides a comparison of alternative univariate time series models that are advocated for the analysis of seasonal
data. Consumption and income series from (West-) Germany, United Kingdom, Japan and Sweden are investigated. The performance
of competing models in forecasting is used to assess the adequacy of a specific model. To account for nonstationarity first
and annual differences of the series are investigated. In addition, time series models assuming periodic integration are evaluated.
To describe the stationary dynamics (standard) time invariant parametrizations are compared with periodic time series models
conditioning the data generating process on the season. Periodic models improve the in-sample fit considerably but in most
cases under study this model class involves a loss in ex-ante forecasting relative to nonperiodic models. Inference on unit-roots
indicates that the nonstationary characteristics of consumption and income data may differ. For German and Swedish data forecasting
exercises yield a unique recommendation of unit roots in consumption and income data which is an important (initial) result
for multivariate analysis. Time series models assuming periodic integration are parsimonious to specify but often involve
correlated one-step-ahead forecast errors.
First version received: April 1996/final version received: January 1998 相似文献
58.
Starting from a linear error correction model (ECM) the stability and linearity of a German M1 money demand function are investigated, applying smooth transition regression techniques. Using seasonally unadjusted quarterly data from 1961(1) to 1990(2) it is found that the money demand equation considered is both linear and stable. After extending the sampling period until 1995(4) a clear structural instability due to the monetary unification on 1 July 1990 is found and subsequently modelled. A non-linear specification for the extended period is presented and discussed. Copyright © 1999 John Wiley & Sons, Ltd. 相似文献
59.
Bernd Kempa Helmut Reisen Hansjörg Herr Lukas Menkhoff Friedrich Thieβen Tommy Jehmlich 《Wirtschaftsdienst》2018,98(10):691-710
The importance of the industrialized countries – including the USA – for world production has been declining for a long time. By contrast, China’s share in particular has increased significantly. Nevertheless, the US dollar has largely fulfilled the criteria for a leading currency function so far, even if this is increasingly criticised due to the protectionist rhetoric of the US. Accordingly, central banks worldwide hold their reserves primarily in US dollars and transactions are largely conducted in US currency. This position brings great advantages–such as making it easier for the US to monitor and enforce sanctions, among other things–and therefore great incentives for the US to maintain its position as the leading currency. Whether other currencies, especially the renminbi, will be able to fulfil the lead currency function is questionable. Similarly, it does not seem realistic that market participants will be able to engage in a global currency. 相似文献
60.
We examine the change of the gender wage gap in Austria between 2002 and 2007 using Juhn et al. (Workers and their wages, AEI Press, Washington DC, pp 107–143, 1991) decomposition. We analyze data from Austrian tax records which we merge with social security records and Austrian micro-censuses of the years 2002 and 2007. We find that the gender wage gap declined from 21 % in 2002 to 18 % in 2007. The main determinant of this decline is the relative improvement of women’s unobserved characteristics. The decline of the gender wage gap is also due to women having attained more formal education and to a convergence of men’s and women’s returns to education. Women’s improved educational attainments were partly offset by a shift in the demand for skilled workers that disadvantaged unskilled workers, most of whom are women, resulting in a moderate decrease of the gender pay gap over these years. Robustness checks confirm our results. 相似文献