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11.
Parametric characterizations of risk aversion and prudence   总被引:1,自引:0,他引:1  
Summary. Our first main result says that whether one decision maker is more risk averse than another can be determined from their attitudes toward a given two-parameter family of risks. When all risks belong to this family, risk aversion can be compared even when initial wealth is random. Our second main result solves a long-standing problem in mean-variance analysis: what is the interpretation of the concavity of utility as a function of mean and variance? We show that in the case of normal distributions, this utility function is concave if and only if the agent has decreasing prudence. Received: July 29, 1996; revised: October 2, 1998  相似文献   
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This study focuses on why some companies in developing countries go beyond environmental regulations when implementing their corporate environmental social responsibilities or citizenship behavior. Drawing mainly upon the new institutional theory, this study develops a conceptual framework to explain three institutional factors: companies’ market orientations, industrial characteristics, and corporate identities. Accordingly, we suggest that companies from developing countries that are oriented to markets in developed countries, operate in highly concentrated industries, and have missionary identities adopt corporate environmental citizenship behavior by going beyond environmental regulations. The study also discusses the theoretical, policy, and managerial implications of the conceptual framework.  相似文献   
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This study develops a new approach for testing the validity of unbalanced growth theory as well as determining the sectoral priorities for investment in Indonesia over the period 1995–2015. To this end, the high linkage sector(s) is identified through the input–output framework. Afterward, two different approaches, multiple linear regression and multi-layered perceptron (MLP) artificial neural network, are applied to capture the linear and nonlinear relationships between the extracted engine sectors and gross domestic product growth. Given that the detection of sector ranking is crucial for preparing a proper development plan, in the same vein we apply two types of feature-ranking methods (namely, stepwise regression and ant colony optimization (ACO-MLP based). The findings suggest a consistent relationship between the theory and economic growth in both linear and nonlinear models. However, the nonlinear model outperforms its competitor. In general, we find that the manufacturing sector is the most strategic sector in Indonesia, as it has been ranked first in both linear and nonlinear forms. Hence, its development path could be reinforced by more investment in this leading sector and then followed by investment in construction, hotels and restaurants, and agriculture.  相似文献   
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This paper examines two asymmetric stochastic volatility models used to describe the volatility dependencies found in most financial returns. The first is the autoregressive stochastic volatility model with Student??s t-distribution (ARSV-t), and the second is the basic SVOL of Jacquier et al. (J Bus Econ Stat 14:429?C434, 1994). In order to estimate these models, our analysis is based on the Markov Chain Monte-Carlo (MCMC) method. Therefore, the technique used is a Metropolishastings (Hastings in Biometrika 57:97?C109, 1970), and the Gibbs sampler (Casella and George in The Am Stat 46:167?C174, 1992; Gelfand and smith in J Am Stat Assoc 85:398?C409, 1990; Gilks and Wild in 41:337?C348, 1992). The empirical results concerned on the Standard and Poor??s 500 composite Index (S&P), CAC40, Nasdaq, Nikkei and DowJones stock price indexes reveal that the ARSV-t model provides a better performance than the SVOL model on the MSE and the maximum Likelihood function.  相似文献   
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The purpose of this article is to provide a recent investigation on the determinants of subjective well-being among Chinese adults, with particular emphasis on internal migrants who hold a rural hukou and have settled in cities. Based on a sample of 7846 adults stemming from the 2011 wave of CHNS survey, we estimate different happiness functions using ordered probit regressions. We first confirm the influence of traditional demographic and socioeconomic characteristics (i.e. age, marital status, gender, illness/injury, income, and education). Second, our results emphasize the importance of taking into account regional differences, but also the positive impact of leisure time and social connections. Finally, our results highlight that being a rural-to-urban migrant is significantly associated with a decrease in the probability of reporting good or very good life satisfaction. We show that this relationship seems to be shaped by direct and indirect effects, and we identify the mediating role of regional patterns and social relations.  相似文献   
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This article focuses on the complex network of control and consent through the articulation of technology and local culture in the workplace. The dynamics of this network are embedded in the interplay of global and local markets. The article explores these dynamics by focusing on the distinctive characteristics of a Central Anatolian city, Çorum, based on a case study conducted in Turkey. We observe how globalised patterns of control and consent are reproduced through the articulation of new technologies and the conservative culture specific to this locality. During the negotiations between employers and employees, this interplay plays a significant role in the construction of work realities. The consensual control produced within the framework of conservative values leads to a consensual hegemony in the organisation of labour process.  相似文献   
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Capital market liberalisation transforms segmented stock markets into integrated ones. Further impact should be expected on the dynamics of the rest of the domestic economy. This study presents evidence to that effect. A significant change after liberalisation is the emergence of world returns as an influential factor on other economic fundamentals. The information content of world returns influences emerging market returns prior to capital market liberalisation and this relation continues after capital market liberalisation. What is new after liberalisation is the influence of world returns on the dynamics of the domestic economy as a whole and its relation to stock returns.  相似文献   
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