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排序方式: 共有370条查询结果,搜索用时 15 毫秒
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Abstract We show that the only coherent distortion risk measure that is consistent with respect to 3-convex order and hence with stochastic dominance of order 3 is the expected value, thus generalizing previous results of Hurlimann and solving a problem posed by Yamai and Yoshiba. 相似文献
23.
Fabio Canova Filippo Ferroni Christian Matthes 《Journal of Applied Econometrics》2014,29(7):1099-1117
We propose two methods to choose the variables to be used in the estimation of the structural parameters of a singular DSGE model. The first selects the vector of observables that optimizes parameter identification; the second selects the vector that minimizes the informational discrepancy between the singular and non‐singular model. An application to a standard model is discussed and the estimation properties of different setups compared. Practical suggestions for applied researchers are provided. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
24.
Fabio Canova David Lopez‐Salido Claudio Michelacci 《Journal of Applied Econometrics》2010,25(5):755-773
We analyze the effects of neutral and investment‐specific technology shocks on hours and output. Long cycles in hours are removed in a variety of ways. Hours robustly fall in response to neutral shocks and robustly increase in response to investment‐specific shocks. The percentage of the variance of hours (output) explained by neutral shocks is small (large); the opposite is true for investment‐specific shocks. ‘News shocks’ are uncorrelated with the estimated technology shocks. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
25.
Abstract The article examines the role of the board of directors in Local Public Utilities (LPUs). It aims at verifying empirically if a correlation exists between specific characteristics of the board of directors and the adoption of innovative arrangements addressing emerging needs of users and citizens (i.e. quality). By means of applying multivariate statistical methods to a random sample of sixty Italian LPUs, this study finds the relational capital of the boards affecting the take up of quality-oriented actions by LPUs. These results support the resource-dependence theory, neglected by mainstream literature. 相似文献
26.
We model and calibrate the arguments in favor and against short-term and long-term debt. These arguments broadly include: maturity premium , sustainability, and service smoothing. We use a dynamic-equilibrium model with tax distortions and government outlays uncertainty, and model maturity as the fraction of debt that needs to be rolled over every period. In the model, the benefits of defaulting are tempered by higher future interest rates. We then calibrate our artificial economy and solve for the optimal debt maturity for Brazil as an example of a developing country and the US as an example of a mature economy. We obtain that the calibrated costs from defaulting on long-term debt more than offset costs associated with short-term debt. Therefore, short-term debt implies higher welfare levels. 相似文献
27.
Fabio Bagarello 《Quality and Quantity》2007,41(4):533-544
We review some recent results concerning some toy models of stock markets. Our models are suggested by the discrete nature
of the number of shares and of the cash which are exchanged in a real market, and by the existence of conserved quantities,
like the total number of shares or some linear combination of the cash and the shares. This suggests to use the same tools
used in quantum mechanics and, in particular, the Heisenberg picture to describe the time behavior of the portfolio of each
trader. We finally propose the use of this same framework in other sociological contexts. 相似文献
28.
Leslie G. Eldenburg Fabio B. Gaertner Theodore H. Goodman 《Contemporary Accounting Research》2015,32(1):169-192
Recent accounting research provides evidence that similar profit‐based compensation incentives are used in for‐profit and nonprofit hospitals. Because charity care reduces profits, such incentives should lead for‐profit hospital managers to reduce charity care levels. Nonprofit hospital managers, however, may respond differently to the same incentives because they face a different set of institutional pressures and constraints. We compare the association between pay‐for‐performance incentives and charity care in for‐profit and nonprofit hospitals. We find a negative and significant association between charity care and our proxy for profit‐based incentives in for‐profit hospitals, and no significant association in nonprofit hospitals. These results suggest that linking manager pay to profitability does not appear to discourage charity care in nonprofit hospitals. Apparently, the nonprofit mission, institutional pressures, and ownership constraints moderate the potentially negative effects of profit‐based incentives. Because this evidence partially alleviates concerns over nonprofit compensation arrangements that mirror those used in for‐profit hospitals, it should be of interest to regulators and policymakers. In addition, this study provides insights into accounting researchers about institutional and organizational influences that affect managerial responses to financial incentives in compensation contracts. 相似文献
29.
The euro illusion is a transient phenomenon that consists of currency-related asymmetries in the intuitive judgment of product
prices made by consumers. The results of a cross-country study in the third year after the introduction of the euro show a
strong price estimation asymmetry in a country with an extreme exchange rate (Italy) and a weaker effect in a country in which
the nominal values of the new and the old currency are much closer (Ireland). These results rule out proposed explanations
of the euro illusion in price estimation that assume the sole influence of plausible anchors (reference prices stored in memory
within the plausible price range), supporting instead accounts also endorsing the role of implausible anchors (reference prices
outside the plausible price range). Beyond contributing to our theoretical understanding of the euro illusion, this research
starts to unveil the interplay between structural factors (i.e., the currency exchange rate) and psychological mechanisms
that produce long-lasting difficulties for consumers after a monetary changeover.
相似文献
Rob RanyardEmail: |
30.
We propose a multivariate nonparametric technique for generatingreliable short-term historical yield curve scenarios and confidenceintervals. The approach is based on a Functional Gradient Descent(FGD) estimation of the conditional mean vector and covariancematrix of a multivariate interest rate series. It is computationallyfeasible in large dimensions and it can account for nonlinearitiesin the dependence of interest rates at all available maturities.Based on FGD we apply filtered historical simulation to computereliable out-of-sample yield curve scenarios and confidenceintervals. We back-test our methodology on daily USD bond datafor forecasting horizons from 1 to 10 days. Based on severalstatistical performance measures we find significant evidenceof a higher predictive power of our method when compared toscenarios generating techniques based on (i) factor analysis,(ii) a multivariate CCC-GARCH model, or (iii) an exponentialsmoothing covariances estimator as in the RiskMetricsTM approach. 相似文献