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This paper aims to examine the optimal sourcing strategies and pricing decisions of competing toy manufacturers and to discuss how manufacturers’ decisions are impacted by competition.

The authors consider a single-period model to characterise the competition between two competing toy manufacturers. Both of them are free to choose between virgin material and recycled material. The authors consider two types of consumers: sensitive consumers who are concerned about product safety and prefer the toy made of virgin material and insensitive consumers who do not care what material is used in the toy. The competing manufacturers play a Cournot competition.

The results reveal a special case of a win-win situation for both the manufacturer and the consumer. In addition, an increasing number of sensitive consumers does not always raise the price of virgin-material toys.

The authors derive the manufacturer’s equilibrium sourcing strategies, corresponding market-clearing prices and profits obtained.

The paper investigates how toy manufacturers’ optimal sourcing strategies are impacted by competition, considering market segments.

Examining multilevel effects of financial and social performance of microfinance institutions (MFIs), the authors aim to investigate microfinance mission drift from the trend effect. The authors also seek to move the literature forward by decomposing the performance variance at different levels and examining whether and how much each level of analysis matters.

Growth curve modeling and variance decomposition analysis were conducted using a dataset consisting of 17,953 observations of 2,902 microfinance institutions in 122 countries from 1999 to 2017.

The study's result shows no evidence of mission drift in the microfinance industry. While MFIs improve their economic returns, they also increase the depth of outreach. In addition, firm-level heterogeneity is the dominant effect which explains 44% of the variance in microfinance financial performance (ROA) and 39% of the variance in social performance (Depth of outreach). The country-level is more critical in explaining financial performance (ROA) than social performance (Depth of outreach), accounting for 11 and 32% of the total variance, respectively. In particular, the interplay between the country-level and organizational-category level accounts for 9 and 11% of the total variance in financial performance (ROA) and social performance (Depth of outreach), respectively.

This study’s multilevel analysis of microfinance performances moves the literature forward by responding to the debate on microfinance mission drift and providing a comprehensive overview of both social and financial performance. By focusing on the trend effect, the result of our models shows that MFIs improve both financial and social performance to fulfill dual missions. The microfinance business model becomes sustainable over time. The study's results of country effect and its interaction effect with different organizational categories reveal the prominence of a good policy design on MFI's mission fulfillment.

Improvement of the environment quality and human development has become the main focus of modern urban development. Micro-renewal is a relatively people-oriented model of urban transformation compared with traditional renewal modes. To improve the theoretical system of neighborhood micro-renewal from a microcosmic perspective, a comprehensive analysis of neighborhood residents' cognition is needed. The purpose of the study is to explore the possibilities and methods of applying gene theory into the study of neighborhood micro-renewal.

According to the meme theory, the research explores the genetic analysis of neighborhood micro-renewal. The cross-over studies with “gene theory” from natural science to social science are analyzed and the neighborhood micro-renewal system was constructed from the perspective of micro-participants and micro-objects. Moreover, the concept of neighborhood “micro-renewal gene” was put forward. Finally, the authors show three application scenarios of public participation with a specific neighborhood micro-renewal project.

The cross research on urban studies with gene theory could be divided into three scales and four research fields. The characteristics of carrying out neighborhood micro-renewal in China could be summarized as micro-participants and micro-objects. Residents' cognition could be considered as “micro-renewal gene” in refer to meme theory. The application scenarios of introducing “micro-renewal gene” into the study of neighborhood renewal are of great potentialities.

Neighborhood micro-renewal system was constructed from the perspective of micro-participants and micro-objects. Moreover, neighborhood “micro-renewal gene” was proposed and applied into the study of this system in refer to meme theory.

This study aims to examine the current state of the research activities of scholars in the hospitality and tourism field by analyzing the first 20 years of the new millennium.

Longitudinal analyses using 14,229 journal articles as data source were realized by adopting BibExcel, Gephi and VOSviewer network analysis software packages.

This study provides a comprehensive overview of the hospitality and tourism research based on authorship and social network analysis, with patterns of prolific authors compared over four distinct periods.

The hospitality and tourism academic society is clearly illustrated by tracing academic publication activities across 20 years in the new millennium. In addition, this study provides a guide for scholars to search for multidisciplinary collaboration opportunities. Government agencies and non-governmental organisations can also benefit from this study by identifying appropriate review panel members when making decisions about hospitality- and tourism-related proposals.

To the best of authors’ knowledge, this study is the first to use bibliometric analysis in assessing research published in leading hospitality and tourism journals across the four breakout periods in the new millennium.