首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   1990篇
  免费   68篇
  国内免费   5篇
财政金融   107篇
工业经济   465篇
计划管理   543篇
经济学   267篇
综合类   70篇
运输经济   19篇
旅游经济   7篇
贸易经济   244篇
农业经济   156篇
经济概况   185篇
  2024年   1篇
  2023年   31篇
  2022年   30篇
  2021年   61篇
  2020年   75篇
  2019年   47篇
  2018年   41篇
  2017年   46篇
  2016年   62篇
  2015年   72篇
  2014年   157篇
  2013年   196篇
  2012年   191篇
  2011年   205篇
  2010年   173篇
  2009年   90篇
  2008年   117篇
  2007年   95篇
  2006年   87篇
  2005年   63篇
  2004年   57篇
  2003年   46篇
  2002年   35篇
  2001年   18篇
  2000年   22篇
  1999年   18篇
  1998年   8篇
  1997年   6篇
  1996年   6篇
  1995年   1篇
  1994年   4篇
  1991年   1篇
  1983年   1篇
排序方式: 共有2063条查询结果,搜索用时 16 毫秒
1.
2018年以来,中国石油陕西销售公司采用"红橙黄"经营指标三级预警机制,把复杂的量价关系、促销经营和费用成本管控,通过指标量化。一是以经营活动分析为基础,围绕业务指标、财务指标及支撑体系,建立了综合经营指标长效预警机制。二是通过大数据平台,形成业务运行数据每日监控,实现对月度指标的跟踪预警。中国石油陕西销售公司以"红橙黄"经营指标三级预警为抓手,将综合指标评价理念贯穿到经营全过程中,为生产经营活动提供了直观的决策依据,实现了提质增效的目标。  相似文献   
2.
The wide fluctuations of oil prices from 2003 to 2008 have attracted the interest of academics and policymakers. A popular view is that these fluctuations were caused by speculative bubbles due to the increased financialization of oil futures markets. This hypothesis, however, is difficult to examine since the fundamental price of oil is unobservable and, therefore, econometric evidence in favor of bubbles may actually be due to misspecified market fundamentals. In this paper, we extend two recently proposed methodologies for bubble detection that alleviate this problem by using market expectations of future prices. Both methodologies provide no evidence of speculative bubbles.  相似文献   
3.
Despite extensive efforts made by national and international certification agencies, Indonesian smallholder farmers’ participation in palm oil certification schemes adoption remains low. A fundamental obstacle is the smallholder practice of rainforest transformation into oil palm plantation which is forbidden by the agencies. In this context, we investigate three policies that could lead to a reduction in rainforest deforestation by smallholders: price premium on certified palm oil; the provision of environmental information; contributor recognition. In order to evaluate the influence of the policies ex-ante, we conduct a social dilemma experiment involving rubber and oil palm smallholders in Jambi Province, Sumatra, Indonesia. The findings indicate that the price premium and provision of context-specific environmental information could reduce rainforest transformation. However, a statistically significant effect of contributor recognition was not found.  相似文献   
4.
This study tests the causal relationships between oil prices and monetary policy for the emerging markets (Brazil, India, Indonesia, South Africa, and Turkey). In particular, we explore the role of exchange rates, inflation, and interest rates. First, we utilize the commonly used Toda–Yamamoto causality framework and later augment the model to account for structural shifts—including gradual/smooth shifts. The empirical findings show that (i) accounting for gradual structural shifts matter for the causal linkages between oil prices and the monetary policy variables and (ii) employing a bivariate or multivariate frameworks is not important (with few exceptions) as much as controlling for structural breaks in these causal linkages.  相似文献   
5.
Using a time-varying GJR copula approach, we determine the conditional dependence of the GCC stock indices on oil price between 2007 and 2016. We show how to improve the forecasting accuracy of the co-movement of energy and stock prices in an equally weighted portfolio. Contrary to prior findings, we demonstrate that due to the different co-movements across the GCC stock indices, portfolios of oil assets and several GCC stocks are less likely to be affected by systemic risk. The different co-movements across several stock indices over time provide different entry and exit points for stock investors. This approach is in line with the ‘buy low/sell high’ adage.  相似文献   
6.
This study is the first attempt to examine the extreme risk spillovers between Malaysian crude palm oil (CPO) and foreign exchange currencies of the three largest CPO importers: India, the European Union and China throughout the global financial crisis. Using daily data of three currencies, CPO spot and futures from 2000 to 2018, our results show: First, before the crisis, the unexpected change in foreign exchange rates is the primary driver of risk spillover to the CPO market. Second, during the crisis, the extreme movement of CPO spot returns is dominant in the Malaysian exchange rates relative to the euro. Third, after the crisis, the spillover flows from the CPO market to the foreign exchange market. Overall, our findings show the importance of CPO pricing dynamics in mitigating foreign exchange risk over the crisis period. This paper contributes to the extant literature by recognizing the effect of risk spillover on the targeted foreign exchange rate for portfolio allocation.  相似文献   
7.
Saudi Arabia is the second largest sender of international remittances. These remittances constitute large foreign capital inflows to labor‐exporting remittee economies. This study is the first to structurally decompose remittance dynamics into behavioral and labor market outcomes of migrants. Remittance outflows are decomposed into migrant labor supply, unemployment and participation rates, wage earnings, and the marginal propensity to remit (MPR) out of migrant earnings. The estimates suggest that migrant labor supply is highly elastic. The important driver of remittance dynamics is the MPR, migrant wages, and the labor supply of migrants. The MPR is found to respond counter‐cyclically to foreign gross domestic product.  相似文献   
8.
Under pressures related to economic growth and environmental protection, China is facing an increasingly severe “environment–health–poverty” trap risk. Fuel taxation is generally considered an effective policy to counter such a risk. Since 2009 China has raised the fuel tax rate many times to enhance tax reform. However, the effects of this policy remain unknown. Therefore, it is vitally important to estimate the impacts of China's current fuel taxation policy on environment, public health and the national economy. As the first attempt in existing literature on China, this paper builds a general equilibrium framework with the feedback effect of public health on economy. We find that that the fuel tax policy benefits the adjustment of the economic structure and improves human health; however, it is detrimental to economic growth, public welfare and price stability. In this sense, it plays a limited role in reducing the trap risk and might not be sustainable in the long term.  相似文献   
9.
ABSTRACT

This article identifies the breakdowns in the covariance of three benchmark crude oil futures markets (WTI, Brent and Dubai) and investigates the changes of market connectedness across the breakdown periods. As the crude oil futures are traded in different regions, this article eliminates the non-synchronous trading data by employing the Vector Moving Average structure and the Bayesian data augmentation approach, which keeps the integrity of original data without changing its properties. The results show that there are significant breaks in the covariance structure of crude oil futures markets. The breakdown periods are consistent with the periods when the market volatilities are at high level and the returns are volatile. The changes of market connectedness are independent of the covariance states, which supports the globalization hypothesis for the crude oil market. The results also suggest that there is more information flow out of the WTI than to the WTI during the sample period, particularly during the breakdown periods in 2008–2009.  相似文献   
10.
In this paper, we investigate the impact of oil prices on both aggregate and industry US real stock returns over the period 1973–2017. The empirical analysis contributes to the related literature introducing a state-dependent oil price (high and low) and the local projections approach. Our main finding is that, depending on the nature of the shock and industry, the negative effects of oil price shocks become exacerbated -and the positive effects get moderated- if oil prices are already high.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号