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71.
72.
Paulo Klinger Monteiro 《Economic Theory》1999,13(1):221-227
Summary. In this paper I prove that a quasiconcave separable utility function defined on an atomless space is concave.
Received: August 11, 1997; revised version: October 2, 1997 相似文献
73.
Paul J. Brewer 《Economic Theory》1999,13(1):41-92
Summary. Several `smart market' mechanisms have recently appeared in the literature. These mechanisms combine a computer network that
collects bids from agents with a central computer that selects a schedule of bids to fill based upon maximization of revenue
or trading surplus. Potential problems exist when this optimization involves combinatorial difficulty sufficient to overwhelm
the central computer. This paper explores the use of a computation procuring clock auction to induce human agents to approximate
the solutions to discrete constrained optimization problems. Economic and computational properties of the auction are studied
through a series of laboratory experiments. The experiments are designed around a potential application of the auction as
a secondary institution that approximates the solution to difficult computational problems that occur within the primary `smart
market', and show that the auction is effective and robust in eliciting and processing suggestions for improved schedules.
Received: November 5, 1996; revised version: September 30, 1997 相似文献
74.
Jacques Forest Genevive A. Mageau Claude Sarrazin Estelle M. Morin 《Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l\u0027Administration》2011,28(1):27-40
This study applies the dualistic model of passion (Vallerand et al., 2003) to the work setting and examines the relationships between harmonious passion (characterized by a strong but controllable desire to engage in an activity), obsessive passion (characterized by an internal pressure to carry out an activity), and optimal functioning outcomes at work. Harmonious passion associated positively with: mental health; three elements of flow (i.e., concentration, control, and autotelic experience); vitality, and affective commitment. These relationships were partly mediated by satisfaction of the basic psychological needs of autonomy, competence, and relatedness. In contrast, obsessive passion directly and negatively predicted mental health and weakly but positively predicted autotelic experience. Theoretical and applied implications are discussed. Copyright ©2010 ASAC. Published by John Wiley & Sons, Ltd. 相似文献
75.
This paper investigates the impact of R&D disclosure and finance variables on the level of R&D expenditures. The question addressed is: what is the impact of changes in disclosure requirements on the relationship between R&D expenditure and the financing of firms? The question is motivated by the possible signalling role that elective disclosure may have had prior to changes in accounting practices to ensure R&D disclosure. 相似文献
76.
Huayu Sun 《中国与世界经济(英文版)》2009,17(3):23-38
This paper uses monthly data to examine the autonomy and effectiveness of monetary policy in China under the de facto fixed exchange rate arrangement in place from 1998 to 2005. The results obtained from Granger causality tests in a vector autoregression framework indicate that: (i) China actually conducted independent monetary policy during the fixed exchange rate period; and (ii) market-oriented policy measures are impotent in influencing real output and prices. The framework of the investigation into the autonomy of monetary policy adapts to the Chinese economic condition that primary loan and deposit rates are set by the central bank. Based on the empirical results, the present paper provides alternative strategies to improve the effectiveness of monetary policy in China, including developing the financial system and solidifying microeconomic fundamentals instead of forcing the adaptation of a more flexible exchange rate regime. 相似文献
77.
Lucy Chennells 《Economics of Innovation and New Technology》2013,22(2-4):139-164
It is often argued that technical change is responsible for the increase in wage inequality in Britain and the United States in the 1980s and 1990s. In this paper we examine this argument using data from individuals and establishments. It is found that the presence of micro-electronic technologies in workplaces is associated with higher earnings, especially for skilled workers. Decompositions suggest that technical change could have been a cause of the increase in skills premium for highly skilled workers. Nevertheless, our view is that the correlation between wages and plant-level technology is mainly driven by the effect of high wages on the propensity to introduce new technologies rather than vice versa. This view is supported by simultaneous models of the wage-technology relationship. 相似文献
78.
Summary. Bertrand criticized Cournot's analysis of the competitive process, arguing that firms should be seen as playing a strategy
of setting price below competitors' prices (henceforth, the Bertrand strategy) instead of a strategy of accepting the price needed to sell an optimal quantity (the Cournot strategy). We characterize Nash equilibria in a generalized model in which firms choose among Cournot and Bertrand strategies. Best responses always exist in this model. For the duopoly case, we show that iterated best responses
converge under mild assumptions on initial states either to Cournot equilibrium or to an equilibrium in which only one firm
plays the Bertrand strategy with price equal to marginal cost and that firm has zero sales.
Received: December 11, 1995; revised version October 2, 1996 相似文献
79.
Summary. Given a set of longitudinal data pertaining to two populations, a question of interest is the following: Which population
has experienced a greater extent of income mobility? The aim of the present paper is to develop a systematic way of answering this question. We first put forth four axioms for
income movement-mobility indices, and show that a familiar class of measures is characterized by these axioms. An unambiguous
(partial) ordering is then defined as the intersection of the (complete) orderings induced by the mobility measures which
belong to the characterized class; a transformation of income distributions is “more mobile” than another if, and only if, the former is ranked higher than the latter for all mobility measures which satisfy our axioms. Unfortunately, our mobility ordering depends on a parameter, and therefore, it
is not readily apparent how one can apply it to panel data directly. In the second part of the paper, therefore, we derive
several sets of parameter-free necessary and sufficient conditions which allow one to use the proposed mobility ordering in
making unambiguous income mobility comparisons in practice.
Received: July 12, 1995; revised version: May 13, 1997 相似文献