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由于农业保险所承保的农业自然灾害具有统计学上的不可预测性,灾害学上的时空延展性和经济学上的不可控性,使得经营农业保险的保险公司面临较高赔付风险. 为测算我国农业保险的赔付风险度,收集整理1984~2012年农业保险与财产保险赔付率数据,采用H-P滤波分解法对其进行长期趋势与短期波动的分解和比较分析. 研究发现:我国农业保险整体赔付水平和赔付的波动幅度远高于财产保险,验证了农业保险具有高风险经营的特性. 但是近年来,农业保险长期赔付趋势呈现平稳略微下降态势,短期波动幅度逐步收敛. 未来随着经营主体的增加,农业保险经营中须把握保险保障度的提升与保险公司经营风险管控的有效平衡;农业保险的适当盈利性与福利改进的有效融合. 相似文献
996.
Prior studies have shown that low beta and low volatility stocks earn higher average returns than high beta and high volatility stocks, contradicting the prediction of the capital asset pricing model and the fundamental relationship between risk and return. In this paper, we demonstrate that this phenomenon is driven by the seasonality of stock returns. We show that the risk‐return tradeoff does hold in the nonsummer months, and that switching to a portfolio of low‐risk stocks in summer outperforms—both in terms of absolute and in risk‐adjusted returns—buy and hold strategies as well as the Sell in May strategy of switching to treasury bills in summer. 相似文献
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This paper measures latent fundamental exchange rates with independent component‐based rates constructed from a cross‐section of exchange rates and then uses their deviations from exchange rates to forecast. Empirical results indicate that the independent component‐based model and its Taylor rule and purchasing power parity augmented models are superior to the random walk in predicting exchange rates. These results are robust to several scenarios and are likely to be observed if the U.S. sources and the recursive scheme are applied. Our results reveal that information regarding the third moment of exchange rate changes is helpful to explain exchange rate movements. 相似文献
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This paper explores the effects of shifts in interest rates on corporate leverage and default in the context of a dynamic model in which the link between leverage and default risk comes from the lower incentives of overindebted entrepreneurs to guarantee firm survival. The need to finance new investment pushes firms' leverage ratio above some state‐contingent target toward which firms gradually adjust through earnings retention. The response to interest rate rises and cuts is both asymmetric and heterogeneously distributed across firms. Our results help rationalize some of the evidence regarding the risk‐taking channel of monetary policy. 相似文献
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Sung Hwan Jung 《Accounting & Finance》2015,55(3):825-859
This study provides evidence that the cost of equity capital decreases with the number of analysts who issue both cash flow and earnings forecasts (cash analysts). The evidence also shows that cash analysts reduce information asymmetry and predict long‐term earnings more accurately than analysts who issue only earnings forecasts. Taken together, these findings suggest that cash analysts provide market participants with high‐quality information and, as a result, firms benefit from cash analyst coverage in the form of a reduced cost of equity capital. 相似文献
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