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This paper explores the determinants of immigration to Portugal. It is the first study to empirically evaluate an extended set of determinants to explain this new phenomenon in Portugal, a highly globalized economy and a 40-year-old democracy. This study finds evidence that the use of Portuguese as the mother tongue and prior Portuguese immigration are the main determinants of current immigration to Portugal from a given country. Depending on which subgroup is considered (refugees, students, or workers), more specific findings also arise. For refugees and foreign workers, human rights violations help explain increased immigration; for foreign students, low per capita income (in the home country) is a significant factor. Dividing the sample into Portuguese speakers and non-Portuguese speakers, we also identified the level of economic development as an important determinant for immigrants from non-lusophone countries. The military situations of the home countries were also important determinants for lusophone immigrants.  相似文献   
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This study analyzed the time–frequency relationship between oil price and exchange rate for Pakistan by using measures of continuous wavelet such as wavelet power, cross-wavelet power, and cross-wavelet coherency (WTC). The results of cross-wavelet analysis indicated that covariance between oil price and exchange rate is unable to give clear-cut results, but both variables have been in phase and out phase (i.e. they are anti-cyclical and cyclical in nature) in some or other durations. However, results of squared wavelet coherence disclose that both variables are out of phase and real exchange rate was leading during the entire period studied, corresponding to the 10–15 months’ scale. These results are the unique contribution of the present study, which would have not been drawn if one would have utilized any other time series or frequency domain-based approach. This finding provides evidence of anti-cyclical relationship between oil price and real effective exchange rate; however, in most of the period studied, real exchange rate was leading and passing anti-cycle effects on oil price shocks which is the major contribution of the study.  相似文献   
3.

This paper visits the impact of economic misery on human capital outflow using time series data over the period of 1975–2012. We have applied the combined cointegration tests and innovation accounting approach to examine long run and causal relationship between the variables. Our results affirm the presence of cointegration between the variables. We find that economic misery increases human capital outflow. Foreign remittances add in human capital outflow from Pakistan. The migration from Pakistan to rest of world is boosted by depreciation in local currency. Income inequality is also a major contributor to human capital outflow. The present study is comprehensive effort and may provide new insights to policy makers for handling the issue of human capital outflow by controlling economic misery in Pakistan.

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4.
The inverse Weibull distribution is one of the widely applied distribution for problems in reliability theory. In this article, we introduce a generalization—referred to as the Beta Inverse-Weibull distribution—generated from the logit of a beta random variable. We provide a comprehensive treatment of the mathematical properties of the Beta Inverse-Weibull distribution. The shapes of the corresponding probability density function and the hazard rate function have been obtained and graphical illustrations have been given. The distribution is found to be unimodal. Results for the non central moments are obtained. The relationship between the parameters and the mean, variance, skewness, and kurtosis are provided. The method of maximum likelihood is proposed for estimating the model parameters. We hope that this generalization will attract wider applicability to the problems in reliability theory and mechanical engineering.  相似文献   
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This study explores the savings–investment relationship in the context of financial liberalization and flexible exchange rate regime in Pakistan. Ng–Perron test is employed to examine the order of integration of the variables used in the model. For long-run analysis, ARDL bounds testing approach is used and short-run dynamics are captured from error correction model (ECM). Time series data are utilized covering the period 1976–2006. Empirical findings indicate that in the case of Pakistan, there is a weak correlation between savings and investment. The study suggests that in the presence of inadequate capital mobility within the country, domestic investors have financed investment projects from international market. Furthermore, devaluation and inflation have stimulated investment activities in the country and significantly contributed in closing the gap between domestic savings and investment.  相似文献   
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This paper attempts to examine the link between nominal devaluation and real devaluation with special reference to the Philippines. In doing so, we have used log linear relationship between the variables and have employed some sophisticated tests such as Ng–Perron unit root test, autoregressive distributive lag model, and dynamic ordinary least squares test for the long run correlation. The findings of the study with the Philippino quarterly data suggest that not only in the long run, but also in the short run, nominal devaluation leads to real devaluation.
Muhammad ShahbazEmail:
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7.
Several survey studies have found that internal migrants report lower levels of happiness than locals, even after accounting for socio-economic factors. Traditional global self-ratings reveal that the migrantlocal happiness-gap is also present in the data we present. The reasons for the migrantlocal happiness-gap are as yet unclear. This paper aims to open this ‘black box’ by exploring the role of daily activities among a population that has generally been overlooked despite their high migration frequency: young adults. An innovative smartphone application is used that combines two techniques for multiple moment assessment: the experience sampling method and the day reconstruction method. Based on the application data, we examine whether internal migrants spend their time differently than locals and in which situations they feel noticeably less happy than locals. The data reveal that internal migrants distribute less time to happiness-producing activities such as active leisure, social drinking/parties, and activities outside home/work/transit. Internal migrants feel less happy than locals when spending time with friends and while eating. Possible explanations focusing on the role of social capital are discussed. Further analyses reveal that daily life experiences greatly enhance the explanation of the migrant–local happiness-gap. This paper demonstrates the potential value of real-time data and phone applications in solving happiness puzzles.  相似文献   
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