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931.
In this paper, we present a stylized model where we show how asset prices, i.e., required expected rates of returns, may be characterized in a world with heterogeneous asset taxes. Within a simple CAPM-like framework, we derive an after-tax beta equal to the pre-tax beta multiplied by a (non-obvious) asset specific tax adjustment. We further show in what sense the Security Market Line here can be replaced by a Security Market Fan. Well-known CAPM relations are obtained as special cases, and policy implications are analyzed. 相似文献
932.
The planning of operations in the Academic Medical Center is primarily based on the assessments of the length of the operation by the surgeons. We investigate whether duration models employing the information available at the moment the planning is made, offer a better alternative. Our empirical results indicate that statistical methods often do better than surgeons. This does not imply that the surgeons’ predictions do not contain valuable information. This information is a key explanatory variable in our statistical models. What our conclusion does entail is that a correction of the predictions of surgeons is possible because they are often under- or overestimating the actual length of operations. 相似文献
933.
Magnus Holmén 《Technology Analysis & Strategic Management》2013,25(1):87-106
The article analyses how a technical knowledge field ('antenna technology') is developed and exploited in a region (West Sweden). To identify regional actors, the paper outlines a way of delineating a technical knowledge field and its changes over time. Drawing on this, an historical account is given of the international and the regional development, focusing on the changing and expanding nature of industries and markets (from military to civilian applications) and technologies. The paper emphasizes the long regional history, providing experience, which together with a number of diversifications, has given regional actors a platform from which to exploit the growing economic utility of the technical knowledge. It is also shown why some applications have not been exploited in the region. 相似文献
934.
935.
Hans U. Gerber 《Scandinavian actuarial journal》2013,2013(4)
Abstract The recent note by Pfeifer (1982) suggests that it might be useful to point out the intuitive nature of the limit theorems in question. 相似文献
936.
Hans Genberg 《Journal of Economic Policy Reform》2013,16(3):161-171
Inflation targeting is a statement about the objective of central bank policy and not about operating procedures. Its success depends not only on the actions of the central bank, but requires a broad consensus concerning the proper role of monetary policy in the economy. It also requires the backing of a sound fiscal policy. As countries differ both in economic structure and monetary transmission mechanism, the implementation of inflation targeting must be country specific. Instability over time in the transmission mechanism also implies that inflation targeting strategies must evolve to avoid the fate of previous monetary policy targeting practices. 相似文献
937.
Hans N. E. Byström 《期货市场杂志》2007,27(1):85-104
The introduction of exchange‐traded credit default swap (CDS) index futures is eminent and this development in the credit market is the subject of this article. A theoretically appealing and practically implementable approach to computing accurate futures margins based on extreme value theory is suggested. The approach is then exemplified with a study of the increasingly popular iTraxx Europe CDS index market. Although this market is not organized through an exchange and is not a futures market, the empirical results together with an arbitrage argument nonetheless suggest margin levels in a future exchange‐traded CDS index futures market computed using extreme value theory to be superior to those computed using the traditional normal distribution or the actual historical distribution. © 2007 Wiley Periodicals, Inc. Jrl Fut Mark 27:85–104, 2007 相似文献
938.
This paper considers the sensitivity of the household's disposable income with respect to the labour market states and the labour market transitions of unemployed workers. The paper analyses the following questions: (i) which are the determinants of starting wages? (ii) how many unemployed are in the unemployment trap? (iii) how do household level economic incentives affect the conditional probability of finding a job? The empirical analysis is based on individual panel data covering the years 1987–1993 in Finland, when the unemployment rate rose from about 4% to 18%. We have estimated the starting wage equation to calculate the effects of hypothetical re-employment on the household's disposable income and to evaluate the frequency of the unemployment trap. To analyse factors affecting the transition out of unemployment to employment in open labour market, we estimate unemployment duration using a semi-parametric proportional risk model. The paper shows that the impact of the economic incentives, measured by the hypothetical change in household disposable income, on employment is more important in the recession than in the boom. 相似文献
939.
940.
This paper investigates convergence in left-right ideological positions in The Netherlands using cointegration techniques. Our sample consists of 765 weekly observations on those positions as well as on the corresponding political party preference. The time series data display nonstationary patterns in the sense that their means are not constant over time. Therefore, we rely on recently developed techniques in the analysis of multivariate nonstationary time series to study convergence. One of our results is that the ideological positions, when considered relative to a benchmark, can be described by trend-stationary processes. This means that we cannot reject the presence of convergence. Implications of this result are discussed. 相似文献