A two-sample test for mean functions with increasing number of projections

We propose a test for equality of two means when data are functions and obtain the asymptotic properties of the test statistic as data dimension increases with the sample size. We also derive the asymptotic power of the test under some local alternatives and show that the test statistic is root-n consistent. A simulation study is conducted to evaluate the performance of the test numerically and to compare the proposed test with other existing four popular tests.     

How Do Workers’ Remittances Respond to Lending Rates?

The literature on migrants’ motivation to remit ranges from self‐interest to altruism where studies analyse the impact from home country interest rates or interest differentials between home and host countries. We reinterpret the interest rate elasticity of remittances as a form of debt‐repayment responsiveness rather than based on opportunistic motivation. Modelling altruistic transfer and debt‐repayment, we find that, for a panel of countries, the long‐run responsiveness of remittances to changes in real lending rates is negative. This suggests that an expansionary (contractionary) monetary policy is most likely to lead to an increase (reduction) in remittances in the long‐run. In contrast to this, the short‐run impact of interest rate changes on remittances is positive.     

Extended zero-one inflated beta and adjusted three-part regression models for proportional data analysis

Extended zero-one inflated beta and adjusted three-part regression models are introduced to analyze proportional response data where there are nonzero probabilities that the response variable takes the values zero and one. The proposed models adapt skewness and heteroscedasticity of the fractional response data, and are constructed to estimate the unknown parameters. Extensive Monte Carlo simulation studies are used to compare the performance of the two approaches with respect to bias and root mean square error. A real data example is presented to illustrate the application of both regression models.     

The lived experiences of becoming a homeless person with addiction in Tehran: how they are withdrawn from the mainstream community?

Understanding the experiences of street addicted people can help clarify the process of engaging people with this social problem. This study aims to discover the challenges of drug-dependent street people by exploring their lived experiences. This study was conducted using content analysis of qualitative interviews with 22 street recruited from within compulsory drug treatment centers in Tehran. Participants were selected through purposive sampling and their experiences of homelessness and addiction were collected through a semi-structured interview. After analyzing the data, three categories and eight sub-categories were determined. The main categories included instability, social distrust, and economic vulnerability. Instability includes experiences such as rejection from their home, street attraction, and avoiding returning home. The social distrust theme consists of experiencing the stigma related to addiction and high-risk behaviors. The economic vulnerability encompasses gradual capital loss and weakening their work status in the context of a weak economic foundation. Dependent drug use added to those isolating experiences leads to weakened family ties, and social and economic interactions and finally results in being disconnected completely from the community mainstream.     

GLOBALIZATION: INFORMATION TECHNOLOGY AND CULTURE WITHIN THE SPACE ECONOMY OF LATE CAPITALISM

This article analyses the process of globalization from the perspective of a 'political economy of space' where the interactions of the processes of capitalist accumulation within contexts of geographic and social space has profound shaping effects upon the nature of politics, economics and society more generally. The argument will show that contemporary globalization has two dimensions: outward into geographic space, and inward into culture and society. The focus then moves to culture and information technology within the space economy of late capitalism and argues that a crisis of finite geographic space has led to the deepening of the commodificationary processes of capitalist accumulation into the 'identity-spaces' of culture and society. For hugely popular 'cyber-gurus' such as Howard Rheingold and Myron W . Krueger, the development of information technologies such as the Internet-derived 'virtual communities' are spaces where new forms of democracy and 'being' can emerge. This article argues that 'cyberspace' and 'virtual communities' are deeply dystopic and alienated spaces, and cyber-Utopian dreams of other, possible worlds made virtual through information technology are at best naive, when it is realised that the information revolution that evolved from the processes of a particular type of globalization, has conceived and developed technologies with primarily profit, productivity, surveillance labour-saving and escapism in mind.     

Changing Identities: A Case Study of Western Muslim Converts Whose Conversion Revised Their Relationship to Their National Identity

Few studies explore the impact conversion to Islam has on a Western individual’s social identity configuration. This article focuses on six Western Muslim converts—three from Montreal, two from Berlin, and one from Copenhagen—who experienced difficulties relating to their national identities prior to conversion, exploring how it developed afterwards. A qualitative interview guide was adapted in a semi-structured format to the demands of each individual, and interviews were analyzed applying thematic content analysis. The participants reveal how they revised their social identity configuration upon conversion, ultimately reversing their antagonistic relationship to their national identity. Their narratives relate how political realities are embedded in the perception and development of the Western Muslim identity, necessitating a revaluation of their national identity as a form of social critique. Our results demonstrate how socio-political experiences of discrimination and race are all significantly implicated in the process of conversion and Muslim identity development.     

A program to calculate bootstrap confidence intervals for the process capability index Cpk

Franklin and Wasserman (1991) introduced the use of Bootstrap sampling procedures for deriving nonparametric confidence intervals for the process capability index, C_pk, which are applicable for instances when at least twenty data points are available. This represents a significant reduction in the usually recommended sample requirement of 100 observations (see Gunther 1989). To facilitate and encourage the use of these procedures. a FORTRAN program is provided for computation of confidence intervals for C_pk. Three methods are provided for this calculation including the standard method, the percentile confidence interval, and the biased - corrected percentile confidence interval.     

Multidimensional Life Table Estimation of the Total Fertility Rate and Its Components

Using discrete-time survival models of parity progression and illustrative data from the Philippines, this article develops a multivariate multidimensional life table of nuptiality and fertility, the dimensions of which are age, parity, and duration in parity. The measures calculated from this life table include total fertility rate (TRF), total marital fertility rate (TMFR), parity progression ratios (PPR), age-specific fertility rates, mean and median ages at first marriage, mean and median closed birth intervals, and mean and median ages at childbearing by child’s birth order and for all birth orders combined. These measures are referred to collectively as “TFR and its components.” Because the multidimensional life table is multivariate, all measures derived from it are also multivariate in the sense that they can be tabulated by categories or selected values of one socioeconomic variable while controlling for other socioeconomic variables. The methodology is applied to birth history data, in the form of actual birth histories from a fertility survey or reconstructed birth histories derived from a census or household survey. The methodology yields period estimates as well as cohort estimates of the aforementioned measures.     

The emigrational function of valley and mountain-laid villages in the west of Mashhad province

People living in the villages located in the west of the city of Mashhad 1,400–1,900 m above sea level immigrate to cities much more than other villages because they are located in valleys and mountainous regions. The research done on 200 families from seven villages shows that these villages are faced with a shortage of flat land suitable for farming and other activities and as a result the villagers, specially the youth, having no job as a source of income, have to emigrate to cities. With the young force leaving the villages and shortage of means of production, the villages are now faced with a population decrease. In some cases, the villages have been totally abandoned in spite of the fact that they have the potential for economic activities specially tourism. By planning and actualizing the potential of these villages, it is possible to create jobs and return the villagers or to prevent further emigration.