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71.
Given the growing importance of the Taiwan stock market, the present study sets out to provide a comprehensive investigation of the intraday time series of the Taiwan Stock Exchange Capitalization Weighted Stock Index (TAIEX). We begin by exploring the intraday volatility patterns and then go on to examine their impact on intraday volatility forecasting. We find that the volatility of the TAIEX returns exhibits an L‐shaped intraday periodic pattern, which is distinct across each day of the week. Our empirical results indicate that taking the intraday periodic pattern into account in a generalized autoregressive conditional heteroskedasticity model can substantially improve the precision of intraday volatility forecasting. 相似文献
72.
Kareem Mohamed Amr Aziz Belal Mohamed Khaled Abdel‐Hakeem Mostafa Mostafa Ayman Atia 《International Journal of Intelligent Systems in Accounting, Finance & Management》2019,26(4):193-201
Money exchange is one of the most common day‐to‐day activities performed by humans in the daily market. This paper presents an approach to money tracking through a blockchain. The proposed approach consists of three main components: serial number localization, serial number recognition, and a blockchain to store all transactions and ownership transfers. The approach was tested with a total of 110 banknotes of different currency types and achieved an average accuracy of 91.17%. We conducted a user study in real‐time with 21 users, and the mean accuracy across all users was 86.42%. Each user gave us feedback on the proposed approach, and most of them welcomed the idea. 相似文献
73.
Ramin Baghai‐Wadji Rami El‐Berry Stefan Klocker Markus Schwaiger 《International Journal of Intelligent Systems in Accounting, Finance & Management》2006,14(4):157-177
Notwithstanding their common features, hedge funds remain an extremely diverse asset class. Information on fund styles is important for numerous purposes, such as portfolio construction, performance attribution and risk management. With fund self‐declaration being prone to (strategic) misclassification, return‐based taxonomies grouping funds along similarities in realized returns provide a useful alternative. We provide a consistent classification system of homogeneous groups of hedge funds based on self‐organizing maps. Whereas some fund categories such as managed futures are largely consistent in their self‐declared strategies, others, especially so‐called ‘equity hedge’ funds, display no or very limited return similarities. Furthermore, we also find evidence of fund managers performing undisclosed changes of their trading style over time. Those funds that misclassified themselves once are particularly likely to change their trading style again. Although style self‐declaration can, therefore, be quite misleading, our results indicate that hedge funds do not misdeclare their style strategically to improve their relative performance. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
74.
75.
This paper analyses the decision of the Financial Reporting Council (FRC) to replace Australian accounting standards with international accounting standards on 1 January, 2005. Two main topics are considered: the appropriateness of the FRC's directive, and the case against the proposed adoption date. We argue that the FRC has not conducted sufficient consultation with affected parties and that the hasty implementation will impose costs that could have been avoided with the exercise of more caution. 相似文献
76.
Thomas R. Berry‐Stölzle Robert E. Hoyt Sabine Wende 《The Journal of risk and insurance》2013,80(2):423-459
In this article, we show that the effect of product diversification on performance is not homogeneous across countries. Diversified insurance companies perform significantly worse than their focused competitors in countries with well‐developed capital markets, high levels of property rights protection, and high levels of competition. In addition, we find that the diversification–performance relationship for insurance companies depends on company size. For large insurers operating in countries with less developed capital markets, diversification significantly increases performance. Our results suggest that the optimal organizational structure may be different for insurers operating in emerging economies than for insurers operating in developed countries. 相似文献
77.
We find that members of the House of Representatives who vote for deregulation are more likely to be employed in the private sector after leaving Congress than those who do not vote for deregulation. An analysis of voting behavior in a major financial regulation—the Gramm‐Leach‐Bliley Act of 1999—shows that representatives use voting to enhance their careers. The results are consistent with politicians' public rent‐seeking and show that political capital is as valuable for politicians as it is for companies. 相似文献
78.
This paper explores how informal information channels impact mutual fund performance. We measure the strengths of two location‐based information channels: 1) information transfers among fund managers (fund‐fund links) and 2) transfers between managers and the companies in which they invest (fund‐company links). We find that each channel increases investment performance in the absence of the other, but decreases it when acting in combination. Stock selection associated with the presence of one channel, but the absence of the other, earns positive future returns. Our results indicate that the economic benefits of informal information channels depend critically on the nature of their interactions. 相似文献
79.
We propose an optimal filter to transform the Conference Board Composite Leading Index (CLI) into recession probabilities in the US economy. We also analyse the CLI's accuracy at anticipating US output growth. We compare the predictive performance of linear, VAR extensions of smooth transition regression and switching regimes, probit, non‐parametric models and conclude that a combination of the switching regimes and non‐parametric forecasts is the best strategy at predicting both the NBER business cycle schedule and GDP growth. This confirms the usefulness of CLI, even in a real‐time analysis. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
80.
Yu‐Hsi Chou 《Review of International Economics》2017,25(1):165-194
In this paper, we apply a permanent–transitory decomposition method to analyze the link between nominal exchange rates and fundamentals in the modern floating era. The results suggest that transitory shocks dominate nominal exchange rate fluctuations, while permanent shocks dominate the variations in fundamentals. Therefore, the findings suggest that the nominal exchange rate should not be approximated by a pure random walk. Moreover, we find that unobserved fundamentals in the Taylor rule model can explain the transitory components in exchange rates. 相似文献