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排序方式: 共有257条查询结果,搜索用时 15 毫秒
1.
Gaganis Chrysovalantis Galariotis Emilios Pasiouras Fotios Staikouras Christos 《Journal of Regulatory Economics》2021,59(2):136-160
This study examines the impact of macroprudential regulations on bank profit efficiency. The latter is being estimated with a production frontier function using a cross-country dataset of more than 3000 banks from over 130 countries during 2013–2018. The results show that macroprudential regulatory policies diminish bank efficiency. This finding applies to both borrower-targeted and financial institutions-targeted policies, and it is robust to the inclusion of controls for microprudential regulations, financial consumer protection policies, and other county-level characteristics in the regressions.
相似文献2.
Supersaturated designs (SSDs) constitute an important class of fractional factorial designs that could be extremely useful in factor screening experiments. Most of the existing studies have focused on balanced designs. This paper provides a new lower bound for the \(E(f_{NOD})\)-optimality measure of SSDs with general run sizes. This bound is a generalization of existing bounds since it is applicable to both balanced and unbalanced designs. Optimal multi and mixed-level, balanced and nearly balanced SSDs are constructed by applying a k-circulant type methodology. Necessary and sufficient conditions are introduced for the generator vectors, in order to pre-ensure the optimality of the constructed k-circulant SSDs. The provided lower bounds were used to measure the efficiency of the generated designs. The presented methodology leads to a number of new families of improved SSDs, providing tools for directly constructing optimal or nearly-optimal k-circulant designs by just checking the corresponding generator vector. 相似文献
3.
Firms use active political strategies not only to mitigate uncertainty emanating from legislative activity, but also to enhance their growth opportunities. We find that a firm's systematic risk (beta) can be hedged away by employing various political strategies involving the presence of former politicians on corporate boards of directors, contributions to political campaigns, and corporate lobbying activities. The hedging effect is greater when firms operate in more uncertain industries. In addition, active political strategies are associated with greater firm heterogeneity and make real options more value relevant as potential drivers of competitive advantages in uncertain environments. 相似文献
4.
Christos Pitelis 《Business ethics (Oxford, England)》2002,11(2):111-118
Economics has an impoverished view of virtuous human behaviour in general, and corporate social responsibility in particular. We claim that this is due to a particular, albeit currently dominant approach to economics. This approach focuses on the pursuit of wealth through efficient allocation of scarce resources by 'rational' utility-maximizing economic agents and institutions, such as markets, firms and states, in the exclusive pursuit of 'efficiency'. This results in an ethic-free and often inimical approach to virtuous behaviour. However, a different approach to economics, which focuses on sustainable global resource creation and allocation, asserts virtuous responsible behaviour to be part and parcel of economic analysis and performance. 相似文献
5.
In this paper we present an effective algorithm for the construction and the identification of two-level nonisomorphic orthogonal
arrays. Using this algorithm, we identify and list a full catalogue of nonisomorphic orthogonal arrays with parameters OA(24,7,2,t), OA(28,6,2,t) and OA(32,6,2,t), t ≥ 2. Some statistical properties of these designs are also considered. 相似文献
6.
In this paper we construct all possible orthogonal arrays OA(18,q, 3,2) with 18 runs and 3 ≤ q ≤ 7 columns and present those that are nonisomorphic. A discussion on the novelty and the superiority of many of the designs
found in terms of isomorphism and generalized minimum aberration has been made.
相似文献
7.
We find that positive excess (strong) analyst coverage is associated with overvaluation and low future returns. This finding is consistent with the view that excessive analyst coverage, driven by investment banking incentives and analyst self-interests, raises investor optimism causing share prices to trade above fundamental value. However, weak analyst coverage causes stocks to trade below fundamental values. This finding indicates that investors tend to believe that these firms are more likely to be plagued by information asymmetries and agency problems. The results remain robust after controlling for the possible endogenous nature of analyst coverage and analysts' self-selection bias. 相似文献
8.
Emmanuel Athanassiou Christos Kollias Theodore Syriopoulos 《Journal of International Financial Markets, Institutions & Money》2006,16(5):411-424
This paper analyses the impact of exogenous national security related shocks on the time-varying volatility structure of the Greek stock market. Alternative autoregressive conditional heteroscedastic models are estimated, in order to identify the best fit that adequately describes return volatility behavior, testing symmetric as well as asymmetric innovation responses. An external national security related shock factor is included as well as a military crisis dummy, in order to depict possible implications for the conditional variance. The empirical findings appear to support a statistically significant impact of both national security related factors on the Athens stock market returns. 相似文献
9.
The link between corporate social responsibility (CSR) and competitiveness has been examined mainly at the business level. The purpose of this paper is to improve conceptual understanding and provide empirical evidence on the link between CSR and competitiveness at the national level. We draw on an eclectic-synthetic framework of international economics, strategic management and CSR literatures to explore conceptually whether and how CSR can impact on the competitiveness of nations, and test our hypotheses empirically with a sample of 19 developed countries over a 6-year period. Our evidence suggests that CSR can make a significant positive contribution to national competitiveness, as measured by national living standards. We also find that countries with a relatively low innovation record can benefit more, as compared to highly innovative countries, by implementing nationwide CSR-based positioning strategies. 相似文献
10.
Christos Pargianas 《Applied economics letters》2016,23(11):765-767
This research shows for the first time that the level of education has a causal, negative effect on the minimum wage. I use 2SLS, with historical educational data as an instrument for the level of education in 2010, and I find that across the US states a one percentage point greater proportion of college graduates is associated with a real minimum wage that is lower by 1.5%–1.6%. Also, in order to control for state-level omitted variables, I regress the change in the minimum wage on the change in education and I find again a negative, and significantly at the 1% level, effect. Minimum wage is a policy that is chosen by governments according to voters’ preferences. The results of this research imply that when the level of education increases voters prefer a lower minimum wage. 相似文献