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This paper investigates the dynamics of volatility in the stock market using competing univariate GARCH specifications. Moreover, it provides a study of the pairwise correlation pattern of stock returns for a wide range of Saudi Arabian insurance business lines by using a dynamic DCC-GARCH model. Our results show that volatility responds asymmetrically to shocks with a persistence of variance in the stock return data, supporting the presence of irrational behaviour as well as the effectiveness of a cross-market diversification strategy. Finally, we reach a point at which, between every two-business line stock returns, there is a dynamic conditional correlation. 相似文献
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In this work, we simulate the effects of the tax autonomy of the Austrian states on the levels of public employment in each state. We show that depending on the strength of the public sector lobby, tax autonomy would require a reduction of employment in the public sector of between 25 and 35% of the current level. We also show that tax autonomy increases welfare levels by 1–1.5%; that is, the positive change in the disposable income of the workers more than offsets the welfare loss resulting from the lower provision of public goods. Finally, we show that the reduction of public employment is superior in terms of welfare to an alternative scenario in which employment levels are held constant but the wage levels in the public sector are adjusted. 相似文献
87.
Arvid O. I. Hoffmann Stefanie Kleimeier Nagihan Mimiroglu Joost M. E. Pennings 《International Review of Finance》2019,19(3):641-651
We examine the impact of innovation disclosure through patenting on firms' cost of debt, focusing on the American Inventors Protection Act (AIPA) as an exogenous shock in innovation disclosure regulation. Post‐AIPA, firms have an incentive to apply for patents only if commercial success is likely. Accordingly, we expect post‐AIPA patents to be a better proxy for successful innovation activity, and thus to have a stronger effect on reducing the cost of debt than pre‐AIPA patents. Indeed, we find that pre‐AIPA patents reduce the cost of debt only for the most innovative firms, while post‐AIPA, this effect holds for all firms. 相似文献
88.
Paul B. Ellickson Paul L.E. Grieco Oleksii Khvastunov 《The Rand journal of economics》2020,51(1):189-232
We propose and estimate a spatially aggregated discrete-choice model with overlapping consumer choice sets and demographic-driven heterogeneity that varies by chain. Our approach avoids the need to define markets ex ante and captures rich substitution patterns, even in the absence of price data. An application to the US grocery industry illustrates the importance of location, format, and the spatial distribution of consumers in shaping the competitive environment. Contrary to conventional wisdom, we find substantial cross-format competition between supercenters, clubs, and traditional grocers. Finally, we evaluate two representative mergers between supermarket chains to demonstrate how our estimates inform antitrust policy. 相似文献
89.
Gkillas Konstantinos Gupta Rangan Wohar Mark E. 《Review of Quantitative Finance and Accounting》2020,54(1):247-272
Review of Quantitative Finance and Accounting - In this paper, we analyse the role of oil price shocks, derived from expectations of consumers, economists, financial market, and policymakers, in... 相似文献
90.
Peter J. Lambert Runa Nesbakken Thor O. Thoresen 《The Scandinavian journal of economics》2020,122(4):1467-1479
We believe that what most authors have in mind when referring to the “most redistributive country” is a tax and transfer schedule that is most redistributive across all pre-tax and transfer income distributions. In order to measure each country's tax and transfer redistribution according to the same baseline, we suggest using the transplant-and-compare method of Dardanoni and Lambert (2002, Journal of Public Economics 86, 99–122) to establish a common base. The redistributive effects of countries’ tax and transfer schedules are illustrated by employing microdata on eight countries from the Luxembourg Income Study (LIS). Of these eight countries, Finland is found to be the most redistributive country, according to the common base method. 相似文献