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81.
Tatiana Didier Alexandre Lowenkron 《Journal of the Japanese and International Economies》2012,26(4):518-541
The current account can be understood as the outcome of investment decisions made by domestic and foreign investors. These decisions can be decomposed into portfolio rebalancing and portfolio growth components, as highlighted by theoretical models. The empirical literature draws attention to the relative importance of portfolio rebalancing to explain fluctuations in capital flows, although they do not shed light on the mechanisms behind these rebalancing effects. In this paper, we provide empirical evidence of the importance of portfolio rebalancing driven by changes in investment opportunities for the dynamics of the current account. In particular, we evaluate the predictions of a partial-equilibrium model of the current account with dynamic portfolio choices, in which portfolio rebalancing is driven by changes in expected asset returns. Focusing on the dynamics of the current account between Japan and the US, we find evidence supporting innovations in investment opportunities as an important mechanism to explain international capital flows. 相似文献
82.
Abstract A remarkable similarity in the behaviour of the US S&P500 index from 1996 to August 2002 and of the Japanese Nikkei index from 1985 to 1992 (11 year shift) is presented, with particular emphasis on the structure of the bearish phases. Extending a previous analysis of Johansen and Sornette on the Nikkei index ‘antibubble’ based on a theory of cooperative herding and imitation working both in bullish as well as in bearish regimes, we demonstrate the existence of a clear signature of herding in the decay of the S&P500 index since August 2000 with high statistical significance, in the form of strong log‐periodic components. In the next two years, we predict an overall continuation of the bearish phase, punctuated by local rallies; we predict an overall increasing market until the end of the year 2002 or until the first quarter of 2003; we predict a severe following descent (with maybe one or two severe ups and downs in the middle) which stops during the first semester of 2004. Beyond this, we cannot be very certain due to the possible effect of additional nonlinear collective effects and of a real departure from the antibubble regime. The similarities between the two stock market indices may reflect deeper similarities between the fundamentals of the two economies which both went through over‐valuation with strong speculative phases preceding the transition to bearish phases characterized by a surprising number of bad surprises (bad loans for Japan and accounting frauds for the US) sapping investors’ confidence. 相似文献
83.
The chemical process industry gathers critical infrastructures since chemical plants represent for the society both an instrument to generate activity and benefits (production of goods, employment, services …), and an instrument that can harm people and the environment. This paper describes the risk assessment approach need in France for licensing hazardous installations, in particular those covered by the Seveso II Directive and the implication for land-use planning. The first part explains why the French risk assessment procedure is based on the quantitative evaluation of major accident scenarios with explicit criteria, and only on qualitative analysis of the risk reducing measures without explicit criteria. The second part shows some on-going evolutions in the risk assessment process in particular for the analysis of the safety barriers. In the third part, the authors share some thoughts on the risk decision-making process. 相似文献
84.
Michel Dubois Marc‐Eric Bobillier‐Chaumon Didier Retour 《New Technology, Work and Employment》2011,26(2):156-173
The object of this article is the development of customer banking skills as a result of using online banking and its impact on the competence of customer advisers in face‐to‐face customer contacts. The main results show that online banking enables customers to develop a range of banking skills. 相似文献
85.
The Barro-Grossman-Malinvaud model of fixed-price equilibrium is extended to a two-country model of trade with a fixed exchange rate. There are various possible types of fixed-price equilibria for the international economy, depending on the structure of rationing. The existence and uniqueness of one type of fixed-price equilibrium are proved. Indeed the extension of ‘the simple macroeconomic model’ to a two-country economy allows a new treatment of the problem of uniqueness of the type of fixed-price equilibrium. At last, some comparative statics results are derived. Among others the model allows to meet on new grounds (i.e., with some microfoundations) some well known results of the conventional Keynesian approach. But much more general results can be derived, applying to a class of market states not already dealt with in international-trade theory. 相似文献
86.
Jean J. Gabszewicz Didier Laussel Nathalie Sonnac 《Journal of Economics & Management Strategy》2004,13(4):657-669
We analyze competition between two private television channels that derive their profits from advertising receipts. These profits are shown to be proportional to total population advertising attendance. The channels play a sequential game in which they first select their profiles (program mixes) and then their advertising ratios . We show that these ratios play the same role as prices in usual horizontal differentiation models. We prove that whenever ads' interruptions are costly for viewers the program mixes of the channels never converge but that the niche strategies are less effective and that the channel "profiles" are closer as advertising aversion becomes stronger. 相似文献
87.
We analyse the optimal contract between a risk‐averse manager and the initial shareholders in a two‐period model where the manager's investment effort, carried out in period 1, and his or her current effort, carried out in period 2, both impact the second‐period profit, so that it may be difficult to disentangle the incentives for these two types of effort. We show that stock grants play different roles according to whether the signal of investment effort is less noisy, or noisier, than that of current effort. We determine simultaneously the optimal stock grants and the optimal restrictions on sales of shares. 相似文献
88.
Building and Interpreting Macro/Micro Estimates of Accrued‐to‐Date Pension Liabilities: French Reforms as a Case Study 下载免费PDF全文
Estimates of accrued‐to‐date pension liabilities (ADL) should become more widely accessible to statisticians and decision makers in the near future, in application of new SNA requirements. This raises two questions: how can such estimates be routinely produced, and what for? Microsimulation helps in answering the first question of the “how.” It allows ADL computations that take into account the complexity of pension rules. Concerning the “what for” question, it is known that ADL are not an indicator of global financial sustainability. Messages they convey are more interesting at the micro level, from a household perspective. This fosters the case for microsimulation which spontaneously generates consistent micro/macro results. We illustrate these points using the French situation as a case study. We emphasize one aspect of French reforms that may concern other countries as well: the move to price indexation and the connection it creates between sustainability and growth assumptions. 相似文献
89.
Bruno van Pottelsberghe de la Potterie Didier François 《Journal of Industry, Competition and Trade》2009,9(4):329-355
The objective of this paper is to assess to what extent the cost of patenting affects the demand for patents. The empirical
analysis, which focuses on the patent systems of the USA, Japan, and Europe in 2003, leads to the following methodological
and empirical conclusions: (1) for a proper international comparison, the size of the market and the average number of claims
included in a patent must be accounted for; (2) when the cost per claim per capita (the 3C-index) is considered, a negative
linear relationship appears between the cost of patenting and the number of claims that are filed; (3) after the grant of
a patent by the EPO, the translation, validation and transaction costs induced by an effective protection in several European
countries witness a highly fragmented and very expensive European market for intellectual property; (4) for a patent designating
13 European countries, the 3C-index is about ten (two) times higher than in the US (Japanese) system (for process and translation
costs up to the grant); (5) The European market being more than twice as large as the US market in terms of inhabitants, the
3C-index suggests that there would be a clear justification for higher nominal examination fees at the EPO, that would ensure
the pursuit of a rigorous granting process. 相似文献
90.
Intelligent finance represents a new direction recently emerging from the confluence of several distinct disciplines in financial market analysis, investing and trading, removing any historical or artificial barrier between them. It is conceived as the science, technology and art of the comprehensive, predictive, dynamic and strategic analysis of global financial markets, towards a unification and integration of academic finance and professional finance. As a comprehensive approach, it is a quest for absolute positive and non-trivial returns in investing and trading by exploiting complete information about financial markets from all general perspectives, drawing ideas, theories, models and techniques from many related academic disciplines, such as macroeconomics, microeconomics, academic finance, financial mathematics, econophysics, behavioural finance and computational finance, and from professional schools of thought, such as macrowave investing, trend following, fundamental analysis, technical analysis, mind analysis, active speculation, etc. In terms of risk management, intelligent finance is expected to minimize the very last risk—the incompleteness of an investing or trading method or system. The theoretical framework of intelligent finance consists of four major components: financial information fusion, multilevel stochastic dynamic process models, active portfolio and total risk management, and financial strategic analysis. We first provide the background from which intelligent finance has recently emerged as a new direction in finance research and industry, and then provide a brief theoretical review of the predictability of financial markets since Bachelier. After these background discussions, we clarify the major research directions of intelligent finance. 相似文献