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61.
In this paper, we identify and estimate the dynamic effects of foreign (US) and national (Canadian) credit shocks in a small open economy. We use standard credit spreads as proxies to the external finance premium. Our first result suggests that the US and Canadian credit spreads contain substantial forecasting power for several measures of the Canadian real economic activity, especially during the recent financial crisis and its aftermath. Secondly, an adverse US credit shock generates a significant and persistent economic slowdown in Canada: the national external finance premium rises immediately while interest rates, credit aggregates, output and employment indicators decline. Variance decomposition reveals that credit shocks have a sizeable effect on real activity measures, leading indicators and credit spreads. Yet, the unexpected shocks in domestic credit spreads are not able to generate any significant dynamic response of the real activity once we control for the US credit market conditions. 相似文献
62.
Valerija Botrić 《Post - Communist Economies》2013,25(2):253-262
This article analyses the relationship between banking sector efficiency and economic growth using a panel data analysis of six South-eastern European countries during the period 1995–2005. The analysis is concentrated on the banking sector because other segments of the financial market are underdeveloped in our sample of countries. We measure the qualitative development in the banking sectors by using the margin between lending and deposit interest rates as well as the share of non-performing loans. By applying the panel data method in a growth-type equation setting, we confirm that improvements in banking sector efficiency, measured through the decreasing interest rate spread, exerted a positive influence on the growth rate of the countries in the region. 相似文献
63.
We study here the large-time behaviour of all continuous affine stochastic volatility models [in the sense of Keller-Ressel (Math Finan 21(1):73–98, 2011)] and deduce a closed-form formula for the large-maturity implied volatility smile. We concentrate on (rescaled) strikes around the money, which are the most common in practice, and extend the results in Forde and Jacquier (Finan Stoch 15(4):755–780, 2011) and Gatheral and Jacquier (Quant Finan 11(8):1129–1132, 2011). 相似文献
64.
ABSTRACTSparkling wines accounted for 7.7% of the total wine consumption in 2011 in the world. Even though sparkling wine remains a long way behind still wine in total volume of production, world consumption of sparkling wine is expected to grow at a faster rate with an 8.5% increase by 2016. Although Croatia is a country with a high residual per capita consumption, the share of sparkling wine consumption compared with total wine consumption amounts only 1.3%. To collect data on Croatian sparkling wine consumers’ behavior and attitudes, we performed online research with 273 consumers. The research confirmed the low frequency of sparkling wine consumption. The most important characteristics of sparkling wines for Croatian consumers are their intrinsic characteristics (taste, smell) together with price:quality ratio, while visual appearance, expert reviews, or wine prizes are less important. Consumption of sparkling wines is generally associated with specific celebrations. Due to such perception of exclusive wine use, there is a need to break down this prejudice by better sparkling wine promotion through wine-tasting events, seminars, and gastronomy offers, especially for younger consumers. 相似文献
65.
Dragan Đorić Emilija Nikolić-Đorić Vesna Jevremović Jovan Mališić 《Quality and Quantity》2009,43(3):481-493
The paper considers some properties of measures of asymmetry and peakedness of one dimensional distributions. It points to
some misconceptions of the first and the second Pearson coefficients, the measures of asymetry and shape, that frequently
occur in introductory textbooks. Also it presents different ways for obtaining the estimated values for the coefficients of
skewness and kurtosis and statistical tests which include them. 相似文献
66.
Andrijana Bačević Nemanja Vilimonović Igor Dabić Jakov Petrović Darko Damnjanović Dušan Džamić 《工程经济学家》2019,64(3):254-274
AbstractIn this article we consider a portfolio optimization problem under multiple real-world constraints, such as: cardinality constraints, tracking error, active share, and turnover. We propose a heuristic based on variable neighborhood search (VNS) that effectively addresses additional constraints that introduce non-convexities. In the VNS-based heuristic, several neighborhood structures are introduced and fast local search is implemented. We develop a VNS portfolio rebalancing framework (VNS-PRF) with two rebalance strategies. Data sets provided by a financial investment firm are used to evaluate the validity and reliability of the proposed VNS-PRF. Computational experiments and different portfolio performance measures indicate that our approach is able to obtain solutions with competitive quality and can be applied on large-scale data sets. 相似文献
67.
The problem of optimal estimation of location and scale parameters of distributions, by means of two-dimensional confidence regions based on L-statistics, is considered. The case, when the sample size tends to infinity, is analyzed. 相似文献
68.
In the median sector, 100 percent of the long-run response of the sectoral price index to a sector-specific shock occurs in the month of the shock. The standard Calvo model and the standard sticky-information model can match this finding only under extreme assumptions concerning the profit-maximizing price. The rational-inattention model of Ma?kowiak and Wiederholt [2009a. Optimal sticky prices under rational inattention. American Economic Review 99, 769–803] can match this finding without an extreme assumption concerning the profit-maximizing price. Furthermore, there is little variation across sectors in the speed of response of sectoral price indexes to sector-specific shocks. The rational-inattention model matches this finding, while the Calvo model predicts too much cross-sectional variation. 相似文献
69.
In this paper we investigate portfolio optimization in the Black–Scholes continuous-time setting under quantile based risk measures: value at risk, capital at risk and relative value at risk. We show that the optimization results are consistent with Merton’s two-fund separation theorem, i.e., that every optimal strategy is a weighted average of the bond and Merton’s portfolio. We present optimization results for constrained portfolios with respect to these risk measures, showing for instance that under value at risk, in better markets and during longer time horizons, it is optimal to invest less into the risky assets.This research was partially supported by the National Science and Engineering Research Council of Canada, and the Mathematics of Information Technology and Complex Systems (MITACS) Network of Centres of Excellence. 相似文献
70.
From the perspective that integrates marketing and banking practice and theory, this work reaffirms the relevance of interactions between the issues of ‘what’ (marketing strategy) and ‘why’ (financial performance). The key finding is that the marketing strategy–financial performance link faces serious difficulties, but they do not inevitably prevent the promotion and greater acceptance of the basic idea. The strongest barriers include negative attitudes of marketers to the language of financial indicators, different paradigms of people from marketing and banking, insufficient presence of the key concepts in the basic literature and unrealistic requirements of academic models. On the other side, the demand that becomes more powerful and sophisticated, and intensifying competition, are the major drivers of positive changes in practice and theory. Greater respect for risk indicators, improved short-term/long-term balance, stronger integration of marketing strategy elements, as well as more realistic general frameworks, constitute the group of encouraging trends. 相似文献