This study investigated the impact of China’s monetary policy on both the money market and stock markets,assuming that non-policy variables would not respond contemporaneously to changes in policy variables.Monetary ...This study investigated the impact of China’s monetary policy on both the money market and stock markets,assuming that non-policy variables would not respond contemporaneously to changes in policy variables.Monetary policy adjustments are swiftly observed in money markets and gradually extend to the stock market.The study examined the effects of monetary policy shocks using three primary instruments:interest rate policy,reserve requirement ratio,and open market operations.Monthly data from 2007 to 2013 were analyzed using vector error correction(VEC)models.The findings suggest a likely presence of long-lasting and stable relationships among monetary policy,the money market,and stock markets.This research holds practical implications for Chinese policymakers,particularly in managing the challenges associated with fluctuation risks linked to high foreign exchange reserves,aiming to achieve autonomy in monetary policy and formulate effective monetary strategies to stimulate economic growth.展开更多
电力负荷预测直接影响电网规划和运行,但是受到各类因素的影响。为提高预测精度,针对电力负数据时序性和非线性特征,提出一种基于变分模态分解的中期电力负荷混合预测模型(hybrid prediction model of medium-term power load based on ...电力负荷预测直接影响电网规划和运行,但是受到各类因素的影响。为提高预测精度,针对电力负数据时序性和非线性特征,提出一种基于变分模态分解的中期电力负荷混合预测模型(hybrid prediction model of medium-term power load based on variational mode decomposition,HPMMPL-VMD)。在HPMMPL-VMD算法中,首先使用VMD将原始电力负荷序列分解成若干个相对平稳的模态分量,并利用长短时记忆神经网络对各个模态分量进行建模;然后将各个预测分量进行叠加得到电力负荷预测值;最后,使用最小二乘支持向量回归对误差序列进行预测,并将电力负荷预测值与误差预测值相加得到最后预测结果。为验证HPMMPL-VMD的性能,选取其他预测方法与其进行比较,实验结果表明本文所提模型具有较高的预测精度。展开更多
文摘This study investigated the impact of China’s monetary policy on both the money market and stock markets,assuming that non-policy variables would not respond contemporaneously to changes in policy variables.Monetary policy adjustments are swiftly observed in money markets and gradually extend to the stock market.The study examined the effects of monetary policy shocks using three primary instruments:interest rate policy,reserve requirement ratio,and open market operations.Monthly data from 2007 to 2013 were analyzed using vector error correction(VEC)models.The findings suggest a likely presence of long-lasting and stable relationships among monetary policy,the money market,and stock markets.This research holds practical implications for Chinese policymakers,particularly in managing the challenges associated with fluctuation risks linked to high foreign exchange reserves,aiming to achieve autonomy in monetary policy and formulate effective monetary strategies to stimulate economic growth.
文摘电力负荷预测直接影响电网规划和运行,但是受到各类因素的影响。为提高预测精度,针对电力负数据时序性和非线性特征,提出一种基于变分模态分解的中期电力负荷混合预测模型(hybrid prediction model of medium-term power load based on variational mode decomposition,HPMMPL-VMD)。在HPMMPL-VMD算法中,首先使用VMD将原始电力负荷序列分解成若干个相对平稳的模态分量,并利用长短时记忆神经网络对各个模态分量进行建模;然后将各个预测分量进行叠加得到电力负荷预测值;最后,使用最小二乘支持向量回归对误差序列进行预测,并将电力负荷预测值与误差预测值相加得到最后预测结果。为验证HPMMPL-VMD的性能,选取其他预测方法与其进行比较,实验结果表明本文所提模型具有较高的预测精度。