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This paper aims to explore how immigrant small business owners construct entrepreneurial identities by deploying strategies of boundary making in Hong Kong.

Conceptually, it departs from the theoretical discussions of immigrant economy and ethnic boundary making. The analyzes are based on qualitative data collected from in-depth interviews and participant observation primarily in the South Asian immigrant economies in Hong Kong in the period 2014-2017.

Four strategies of boundary work including blurring boundaries, inversion of boundaries, personal repositioning and reconfirming of boundaries are identified. They bring to light that small immigrant entrepreneurs in Hong Kong still encounter considerable obstacles in the process of social integration. Boundary work serves as strategies to release sentiments that would symbolically bring them closer to the mainstream society. Following the “city as context” framework (Brettell, 1999; Foner, 2007), this paper argues that the various boundary making strategies have been shaped by the legacies of racism, neoliberal governance of integration and urban work ethos highlighting problems and individual responsibilities in Hong Kong.

This paper contributes to the literature of the immigrant economy and social integration. First, it sheds light on the role of symbolic meanings and non-economic gains of immigrant entrepreneurship in social integration. Second, it illuminates our understanding that immigrant economy can provide a channel for advancing and weakening social status, thus reminding us not to assume the path of social integration as a straightforward and positive one.

The purpose of this paper is to review the existing literature on immigrant entrepreneurship since the mid-2000s to examine the changing trends, variations and theoretical advances in immigrant entrepreneurship in Western societies.

Using the SocIndex and Proquest Business Premium databases, the authors conducted a literature review of about 100 peer-reviewed articles published since the mid-2000s. The authors critically assess the main research findings, identify key concepts and models that have been developed over the past decade, and offer new theoretical insight into the ever-changing global dynamics of immigrant entrepreneurship. Although the focus is on the USA, the authors also include some seminal research based in other Western countries of immigrant reception.

Based on a critical review of existing research that has been published between 2004 and the present, the authors highlight main trends and variations of the entrepreneurial endeavors among diasporic migrants, address the emerging forces shaping immigrant entrepreneurship, highlight theoretical advances in the field of entrepreneurship studies, and suggest new directions for future research. The authors note that the changing trends and ethnonational variations are caused not only by unequal access to human capital, social capital, financial capital, and cross-border venture capital on the part of individual entrepreneurs, but also by differences in broader structural circumstances in the home country and/or host country and interaction between national/local and transnational/global forces. The authors discuss new theoretical advances, identify gaps and raise questions for future research.

The review offers important insight into the ever-changing local and global dynamics of immigrant entrepreneurship and broadens the established conceptual and theoretical models in the sociology of immigrant/ethnic entrepreneurship.

The purpose of this paper is to introduce and test a new emoji-based metric that could be used to monitor consumers’ emotions toward brands on social media.

To test this new metric, 720 consumer tweets were retrieved from official Twitter accounts of 18 leading global brands representing 6 product categories/markets. In order to check its validity, the emoji-based metric was correlated with two measures: the percentage of positive emojis from Brandwatch’s (2018) Emoji Report and the American Customer Satisfaction Index (ACSI) for 2017.

The findings of this paper indicate that consumers tend to use more (vs less) positive emojis when expressing their feelings toward Coca-Cola (vs Taco Bell). They also show that the new metric is highly and positively associated with the ACSI, hence supporting its validity.

The new metric is only applicable to brands that have a social media presence.

The proposed metric is easy to implement and interpret by almost every researcher and manager.

While all extant brand sentiment analyses focus on analyzing the words in brand-related user-generated content, this paper considers an alternative source of information about emotions, that is, emojis. Beyond being valid, the proposed emoji-based metric is unique, easy to implement and interpret, and generalizable.

Hong Kong is a case that demonstrates the distinctively multi-dimensional nature of citizenship within and in relation to a given nation. The purposes of this paper are to: first, discuss Hong Kongers’ unique identity and the influence of political, historical and economic factors on them in order to show the value of challenging the “national citizenship” approach as a dominant discourse in the intended curriculum of Hong Kong citizenship education; second, analyze the efforts of the People’s Republic of China (PRC) to foster a stronger sense of Chinese national identity in Hong Kong students; and third, evaluate the appropriateness of this nationalistic approach by examining its compatibility with and coherence to in relation to the implemented and attained curriculum.

This study analyzes existing scholarly discussions on the PRC’s emphasis on Chinese national identity in citizenship education and negative perceptions held by teachers and students regarding the approach and presentation of their actual teaching and learning practices for citizenship education with empirical data.

This paper illuminates the mismatch found between the intended curriculum and the implemented and attained curriculum in terms of the viewpoints of good citizens.

The notion of “cultural citizenship” is suggested as an alternative approach to developing the curriculum of Hong Kong citizenship education. This paper will be of interest to those curriculum scholars, educational authorities and teachers who are interested in developing and implementing the curriculum of citizenship education.

This paper aims to discuss the electromagnetic scattering characteristics of the afterbody model with two drag plates.

The plane shape of the drag plate model is designed as a rectangle. High-precision unstructured grid technology is used to treat the target surface. A calculation method based on multiple tracking and dynamic scattering module is presented to calculate the radar cross section (RCS).

The results show that under the given observation conditions, the RCS and surface scattering characteristics of a single drag plate change with the increase of the opening angle, which makes the forward RCS of the afterbody model change more than 8.43 dBm2. The opening of two resistance plates at different fixed angles has little effect on the peak value and position of the RCS of the afterbody model. The dynamic deflection of the two drag plates can bring 16.78 dBm2 fluctuations to the forward RCS of the afterbody model, and more than 25.59 dBm2 fluctuations to the side RCS.

The installation positions of the drag plate on the aircraft are various, so the method in this paper can provide reference and support for RCS analysis of the speed brake at other positions.

The presented calculation method is of engineering value to analyze the electromagnetic scattering characteristics of the drag plate.

Artificial electromagnetic (EM) medium and devices are designed with integrated micro- and macro-structures depending on the EM transmittance performance, which is difficult to fabricate by the conventional processes. Three-dimensional (3D) printing provides a new solution for the delicate artificial EM medium. This paper aims to first review the applications of 3D printing in the fabrication of EM medium briefly, mainly focusing on photonic crystals, metamaterials and gradient index (GRIN) devices. Then, a new design and fabrication strategy is proposed for the EM medium based on the 3D printing process, which was verified by the implementation of a 3D 90o Eaton lens based on GRIN metamaterials.

A new design and manufacturing strategy driven by the physical (EM transmittance) performance is proposed to illustrate the realization procedures of EM medium based device with controllable micro- and macro-structures. Stereolithography-based 3D printing process is used to obtain the designed EM device, an GRIN Eaton lens. The EM transmittance of the Eaton lens was validated experimentally and by simulation.

A 3D 90o Eaton lens was realized based on GRIN metamaterials structure according to the proposed design and manufacturing strategy, which had the broadband (12-18 GHz) and low loss characteristic. The feasibility of 3D printing for the artificial EM medium and GRIN devices has been verified for the further real applications in the industries.

The applications of 3D printing in artificial EM medium and devices were systematically reviewed. A new design strategy driven by physical performance for the EM device was proposed and validated by the firstly 3D printed 3D Eaton lens.