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排序方式: 共有370条查询结果,搜索用时 15 毫秒
61.
Michele Bonollo Irene Crimaldi Andrea Flori Laura Gianfagna Fabio Pammolli 《Financial Markets and Portfolio Management》2016,30(4):397-426
In this paper, we study the relationships among financial market sub-segments as a way to identify potential financial distress through increased co-movements among them. To study how sub-markets are mutually co-dependent, we combine granular data on over-the-counter derivatives by trade repositories and the joint probability of distress (JPoD) approach introduced by the International Monetary Fund. We define an indicator that combines several distress drivers and observe that results on co-dependencies are similar to those that would be expected: similarities between financial and contractual terms seem to be responsible for stronger co-movements among sub-markets. However, high values for JPoD even in correspondence of quite dissimilar sub-markets suggest the presence of other drivers that should be investigated in future research. To the best of our knowledge, this is the first empirical study on systemic risk assessment based on micro-founded trade repositories’ data on interest rate swaps. 相似文献
62.
In this paper, we consider a market model with prices and consumption following a jump-diffusion dynamics. In this setting, we first characterize the optimal consumption plan for an investor with recursive stochastic differential utility on the basis of his/her own beliefs, then we solve the inverse problem to find what beliefs make a given consumption plan optimal. The problem is viewed in general for a class of homogeneous recursive utility, and later we choose a logarithmic model for the utility aggregator as an explicitly computable example. When beliefs, represented via Girsanov’s theorem, get incorporated into the model, the change of measure gives rise, up to a transformation, to a backward stochastic differential equation whose generator exhibits a quadratic behavior in the Brownian component and a locally Lipschitz one in the jump component, which is solvable on the basis of some recent results. 相似文献
63.
64.
65.
In this paper we present a new approach for solving the pricing equations (PDEs) of European call options for very general
stochastic volatility models, including the Stein and Stein, the Hull and White, and the Heston models as particular cases.
The main idea is to express the price in terms of a power series of the correlation parameter between the processes driving
the dynamics of the price and of the volatility. The expansion is done around correlation zero and each term is identified
via a probabilistic expression. It is shown that the power series converges with positive radius under some regularity conditions.
Besides, we propose (as in Alós in Finance Stoch. 10:353–365, 2006) a further approximation to make the terms of the series easily computable and we estimate the error we commit. Finally we
apply our methodology to some well-known financial models.
相似文献
66.
Fabio Ravagnani 《Metroeconomica》2000,51(3):308-342
Modern general equilibrium theory faces notorious difficulty in extending the analysis of production to economies without complete forward markets, since at the ‘initial date’ the owners of any firm will typically disagree about the choice of the production plan. This paper examines the main approaches to the problem, with the specific aim of verifying whether they allow a satisfactory account of the interplay between firms and savers. It is argued that the theory oscillates between assumptions that may prove incompatible with savers' rationality, and hypotheses that prevent this shortcoming but render the formation of production decisions quite hard to explain. 相似文献
67.
In this paper we analyze how inattentiveness in capital investment decisions shapes business cycle dynamics in a dynamic stochastic general equilibrium (DSGE) model with inattentiveness. We find that the model with pervasive inattentiveness matches several business cycle moments much better than an otherwise identical model without informational frictions in investment. These findings reinforce the need for pervasive stickiness to mimic the inertia found in macroeconomic data. 相似文献
68.
We examine the relationship between cyclical fluctuations and macroeconomic, institutional, and cultural indicators for 46 countries from Europe and the Mediterranean basin. In the Mediterranean cycles are different: the duration of expansions is shorter; the amplitude of recessions is larger; and cyclical synchronization is smaller than elsewhere. Differences in cultural indicators have strong and significant associations with differences in the persistence and volatility of cyclical fluctuations and their synchronization. 相似文献
69.
This paper uses a two-country, flexible-price model with overlapping generations of infinitely lived households to study the role of net foreign asset dynamics in the propagation of productivity shocks. Absence of Ricardian equivalence ensures existence of a unique steady-state level of net foreign assets, to which the economy returns following temporary shocks. Model dynamics are significantly different from those of a setup in which terms of trade movements perform all the international adjustment and net foreign assets do not move. The difference relative to a complete markets economy in which net foreign asset movements play no role in shock transmission is smaller. It is amplified if the substitutability across goods rises and if shocks are permanent. 相似文献
70.
Fabio Boncinelli Francesca Gerini Gabriele Pagnotta Frode Alfnes 《International Journal of Consumer Studies》2017,41(1):46-53
Unhealthy food choice is one of the main causes of being overweight. Nutritionists blame a particular category of food: junk food. Several authors have proposed a fat tax for reducing the junk food demand, but others have demonstrated that these taxes must be very high in order to be effective. Therefore, a warning label about calorie content may be an alternative way to reduce the consumption of junk food. In this exploratory study, using students as respondents, a high‐calorie warning label is explored with an incentive compatible valuation method. The results indicate that a high‐calorie warning label has little effect on respondents’ choices, even when they have no prior familiarity with the food. 相似文献