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The purpose of this paper is to build a novel data envelopment analysis (DEA) model to evaluate the efficiencies of decision making units (DMUs).

Using the Choquet integrals as aggregating tool, the authors give a novel DEA model to evaluate the efficiencies of DMUs.

It extends DEA model to evaluate the DMU with interactive variables (inputs or outputs), the classical DEA model is a special form. At last, the authors use the numerical examples to illustrate the performance of the proposed model.

The proposed DEA model can be used to evaluate the efficiency of the DMUs with multiple interactive inputs and outputs.

This paper introduce a new DEA model to evaluate the DMU with interactive variables (inputs or outputs), the classical DEA model is a special form.

The purpose of this paper is to investigate the wear resistance behavior of the striated tool for cross wedge rolling (CWR).

A mechanical-thermal coupled, temperature-dependent FE wear model was developed to explore the wear behaviors for striated CWR tools. To verify the proposed FE model, a newly developed measuring device was also developed to measure wear on the tool ridge. To find the impact order of the parameters of striate unit, orthogonal experiment was carried out.

The experimental and numerical results both indicate that the wear resistance of striated tool is better than that of smooth tool. Minimum tool ridge wear can be achieved by choosing proper tool contact temperature with striated units on crossed ridge. The order of the striation geometrical factors’ impact on ridge wear is striation width > striation interval > striation length.

Because of the specified tool, the research results may lack generalizability. Therefore, researchers are encouraged to test the proposed propositions further.

It is shown that the wear resistance of striated CWR tool is better than that of smooth tool. The information may help CWR manufactures to design and produce tools with less wear.

The cutting and extruding processing technology for ceramics based on the edge-chipping effect is a new contact removal machining method for hard, brittle materials such as engineering ceramics. This paper aims to provide an important reference to understand the tool wear mechanism and the wear law of this new processing technology.

The real-time temperature monitoring and the observation of micro-morphology are used to analyse the wear characteristics of the tool face. In addition, the research focuses on the influence of three processing parameters (axial feed rate, thickness of flange and depth of groove) on characteristics including tool wear.

The temperature variation shows that the new processing technology improves the tool temperatures condition. The tool is worn mainly by mechanical friction including abrasive wear, and the flank face also suffers the sustained scratching of residual materials on the rough machining surface. With increased feed rate, the wear of the rear face of the major flank initially decreased and then increased. As the depth of the retained flange increases, the wear became worse. The wear initially decreased and then increased with increasing depth of groove.

Study on the new processing technology is still in its early stages. Therefore, researchers are encouraged to test the proposed propositions further.

The machining process itself destroys materials, albeit a controllable manner: based on this principle, the authors proposed a new machining technology based on cracks driven by edge chipping. In this way, the surface of such ceramics is removed. Therefore, the research provides a new method for reducing processing costs and promoting the extensive application of engineering ceramic materials.

The cutting and extruding processing technology based on cracks driven by edge-chipping effect makes full use of the stress concentration effect caused by prefabricated defects, and the edge-chipping effect which occurs during machining-induced crack propagation. The wear mechanism and law of its tool is unique than other machining ways. This paper provides an important reference to understand the tool wear mechanism and the machining mechanism of this new processing technology. With the application of this study, the ceramics could be removed with less energy consumption and the tools with the hardness of lower than its own one. Therefore, it could not only reduce the processing costs but also promote the extensive applications of engineering ceramic materials.

One of the most important cultural values in Chinese societies is family‐oriented collectivism. This cultural value has had much impact on the structures and strategies of overseas Chinese firms. Influenced by this cultural value, traditional Chinese firms prefer family ownership and stress hierarchy and centralized decision making, which in turn influence the business strategies of these firms. In recent years, however, the majority of Chinese societies have been in transition, and traditional Chinese culture is also changing. These developments have brought about changes in strategies of the overseas Chinese firms. To study these changes, this paper focuses on the manufacturing industries in a major emerging market, China, and reports evidence of changes in both culture and business strategy of overseas Chinese firms. Concludes with a discussion on the implications of the findings for both researchers and practitioners.

Applies new tests for parameter instability in cointegrated models to evaluate the traditional export demand function. The determinants of exports considered are world real income, export price and competitors’ export price. The data for Singapore (a newly industrializing economy), from 1973‐1997, are used as a case study. Results suggest that Singapore does not satisfy the conditions of a small, price‐taking country in world trade. Irrespective of whether one normalizes export demand function by price or quantity, the state of external demand appears to be a key ingredient in Singapore’s export growth. This finding differs markedly from Riedel’s evidence. It is found that the estimation of Singapore’s export demand model requires the inclusion of some dummy variables in order to achieve not only cointegration but also long‐run parameter stability. However, once the structural breaks are accounted for, a stable relation is found, which resists a series of specification tests.

The purpose of this paper is to use Twitter analytics for analyzing the startup ecosystem of India.

The paper uses descriptive analysis and content analytics techniques of social media analytics to examine 53,115 tweets from 15 Indian startups across different industries. The study also employs techniques such as Naïve Bayes Algorithm for sentiment analysis and Latent Dirichlet allocation algorithm for topic modeling of Twitter feeds to generate insights for the startup ecosystem in India.

The Indian startup ecosystem is inclined toward digital technologies, concerned with people, planet and profit, with resource availability and information as the key to success. The study categorizes the emotions of tweets as positive, neutral and negative. It was found that the Indian startup ecosystem has more positive sentiments than negative sentiments. Topic modeling enables the categorization of the identified keywords into clusters. Also, the study concludes on the note that the future of the Indian startup ecosystem is Digital India.

The analysis provides a methodology that future researchers can use to extract relevant information from Twitter to investigate any issue.

Any attempt to analyze the startup ecosystem of India through social media analysis is limited. This research aims to bridge such a gap and tries to analyze the startup ecosystem of India from the lens of social media platforms like Twitter.

The purpose of this paper is to investigate whether Hofstede’s (2001) cultural framework and the value paradox explain the use of appeals in advertising in Estonia.

Hypotheses are drawn in relation to Hofstede’s original four cultural dimensions – power distance, masculinity/femininity, individualism/collectivism and uncertainty avoidance. A sample of 110 print advertisements from four magazines were analyzed using Pollay’s (1983) classification of advertising appeals.

The results show that Estonian advertising reflects paradoxical values related to low power distance and femininity dimensions, and culturally congruent values related to high-uncertainty avoidance and individualism.

Findings suggest that cultural values (desired) alone are insufficient to predict the reflection of culture in advertising. Rather, consideration of the discrepancies between the cultural values (desired) and practices (desirable) enables a better explanation of the relationship between society and its advertising.

Scholars have shown increasing interest in the consequences of culture on advertising, but the opposing aspect of cultural values and practices has received limited research attention. The paper offers interesting insights regarding the effect of culture and the value paradox on the use of appeals in advertising. Additionally, analyzing the advertising of Eastern Europe is highly important because of the limited research attention that exists with respect to advertising in the region.