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81.
Tomasz Rychlik 《Metrika》2009,70(3):369-381
For i > (n + 1)/2, Danielak (Statistics 37:305–324, 2003) established an optimal positive upper mean-variance bound on the expectation
of ith order statistic based on the i.i.d. sample of size n from the decreasing density population. We show that the best bounds on the expected deviation of the ith order statistics from the population mean, i ≤ (n + 1)/2, expressed in more general scale units generated by pth absolute central moments with p > 1 amount to zero. We also determine the respective strictly negative bounds in the mean absolute deviation units. 相似文献
82.
Joseph Plasmans Jacob Engwerda Bas van Aarle Tomasz Michalak 《International Economics and Economic Policy》2009,6(2):135-156
This paper studies the effects of a monetary union enlargement using the techniques and outcomes from an extensive research
project on macroeconomic policy coordination in the EMU. Our approach is characterized by two main pillars: (i) linear-quadratic
differential games to capture externalities, spillovers and strategic behaviour of (fiscal and monetary) players; and (ii)
endogenous coalition formation concepts which enable us to study a creation and stability of different cooperation arrangements.
In this paper we focus on the first pillar and construct a multi-player linear-quadratic continuous-time model of 5 countries
and 4 central banks to evaluate effects of accession of a new member to an existing MU. Our findings stress the importance
of an asymmetric shock confirming basic results of the OCA theory. It comes out that in our setting it is never profitable
to enlarge the monetary union when there is a risk of an asymmetric shock. What is more, the potential losses from accession
are so high that it can be barely possible to design a transfer system to compensate for a worse situation of some countries.
相似文献
Joseph PlasmansEmail: |
83.
Zoltan J. Acs Saul Estrin Tomasz Mickiewicz László Szerb 《Small Business Economics》2018,51(2):501-514
We analyze conceptually and in an empirical counterpart the relationship between economic growth, factor inputs, institutions, and entrepreneurship. In particular, we investigate whether entrepreneurship and institutions, in combination in an ecosystem, can be viewed as a “missing link” in an aggregate production function analysis of cross-country differences in economic growth. To do this, we build on the concept of National Systems of Entrepreneurship (NSE) as resource allocation systems that combine institutions and human agency into an interdependent system of complementarities. We explore the empirical relevance of these ideas using data from a representative global survey and institutional sources for 46 countries over the period 2002–2011. We find support for the role of the entrepreneurial ecosystem in economic growth. 相似文献
84.
Recent empirical research documents that the strong short-term relationship between U.S. monetary aggregates on one side and inflation and real output on the other has mostly disappeared since the early 1980s. Using the direct estimate of flows of U.S. dollars abroad we find that domestic money (currency corrected for the foreign holdings of dollars) contains valuable information about future movements of U.S. inflation and real output. Statistical evidence suggests that the Friedman-Schwartz stylized facts can be reestablished once the focus of analysis is back on the correct measure of domestic monetary aggregates. 相似文献
85.
Slawomir Dorosiewicz Tomasz Michalski 《International Advances in Economic Research》2000,6(4):692-698
This paper includes the definition of the measure of the similarity between two functions. This measure is a quantitative characteristic of similarity of function graphs and is helpful in comparing the dynamics of economic processes. Construction of the measure includes two special cases: functions defined on intervals and functions with discrete domains. The considerations are generalized in a natural manner in research concerning the similarity of stochastic processes. 相似文献
86.
The Relationship between Animal Welfare and Economic Performance at Farm Level: A Quantitative Study of Danish Pig Producers
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Arne Henningsen Tomasz Gerard Czekaj Björn Forkman Mogens Lund Aske Schou Nielsen 《Journal of Agricultural Economics》2018,69(1):142-162
We propose a theoretical framework for the relationship between animal welfare and the economic performance of livestock farms. We empirically analyse this relationship based on a unique dataset of randomly sampled Danish pig herds that includes information from unannounced inspections of the compliance with the animal welfare legislation. We find large variations in economic performance and animal welfare. The relationship between these two indicators is rather weak, but tends to be slightly positive. A possible explanation for our results is that management has a major influence on both economic performance and animal welfare so that good farm managers are able to meet all animal welfare regulations, while achieving a high economic performance. 相似文献
87.
Ayman M. A. Omar Tomasz Piotr Wisniewski Liafisu Sina Yekini 《European Financial Management》2019,25(5):1196-1228
This paper examines whether it is possible to forecast 1‐year‐ahead returns of individual companies based on the observed ‘psychopathic’ characteristics of their top management team. We find that language characteristic of psychopaths present in annual report narratives, questionable integrity, excessive risk‐taking, and failure to contribute to charitable undertakings tend to reduce future shareholder wealth. These findings imply that firms could benefit from incorporating psychological evaluation in their recruitment processes, especially when seeking to fill senior management posts. While the return predictability described in this paper supports the upper echelons perspective, it simultaneously challenges the notion of informationally efficient stock prices. 相似文献
88.
89.
This paper investigates a sample of 27 OECD countries to test whether national elections induce higher stock market volatility. It is found that the country-specific component of index return variance can easily double during the week around an election, which shows that investors are surprised by the election outcome. Several factors, such as a narrow margin of victory, lack of compulsory voting laws, change in the political orientation of the government, or the failure to form a government with parliamentary majority significantly contribute to the magnitude of the election shock. Furthermore, some evidence is found that markets with short trading history exhibit stronger reaction. Our findings have important implications for the optimal strategies of institutional and individual investors who have direct or indirect exposure to volatility risk. 相似文献
90.
Using survey data on 157 large private Hungarian and Polish companies this paper investigates links between ownership structures and CEOs’ expectations with regard to sources of finance for investment. The Bayesian estimation is used to deal with the small sample restrictions, while classical methods provide robustness checks. We found a hump‐shaped relationship between ownership concentration and expectations of relying on public equity. The latter is most likely for firms where the largest investor owns between 25 percent and 49 percent of shares, just below the legal control threshold. More profitable firms rely on retained earnings for their investment finance, consistent with the ‘pecking order’ theory of financing. Finally, firms for which the largest shareholder is a domestic institutional investor are more likely to borrow from domestic banks. 相似文献