The importance of organizational ambidexterity was stressed in different fields of management. This study was using a distinct method to measure the differences in the degree of ambidexterity to bridge the gap with the previous studies and to provide more insights in the successful management of exploitation and exploration. This study surveyed Taiwanese small and medium-sized enterprises (SMEs) to test the hypotheses. We issued 1000 questionnaires in total and received 234 valid ones. Results indicate exploitative and explorative capabilities exerting non-linear effect on performance. Likewise, ambidexterity and its interaction with market orientation have positive influence on firm performance. This study used structural equation modeling to analyze data, as this approach is known to be particularly advantageous for the exploratory nature of this study. We also used hierarchical regression analysis to test interaction and moderating effects. The study contributes to the literature in two ways. First, we offer a clearer understanding of the complete concept of social capital, including inter-firm and intra-firm social capital, and how contributes to improving and extending existing exploitative capabilities. Second, this study outlines how market orientation can have different effects on an ambidextrous strategy that is adopted to improve Taiwanese SMEs performance.

This study estimates the Nigerian import demand function with the view to finding the degree of responsiveness of imports to domestic product prices while controlling for exchange rate (EXR), gross domestic product and foreign reserves. To refine inference about stationarity in the presence of structural breaks, the study employed the Lee and Strazicich and Zivot‐Andrews stationarity tests, which all confirmed that the series are integrated of order one. Both the ARDL bound testing for cointegration and the Johansen cointegration approach all confirmed long‐run relationship among the variables. From the cointegrating regression estimates using the Saikkonen and Stock‐Watson Dynamic Ordinary Least Square procedure and the Phillip and Hansen's Fully Modified Ordinary Least Square technique, we found that imports in Nigeria are domestic inflation or cross elastic in the long run. The study, however, found import demand to be inelastic to EXR and income, same as to foreign exchange reserves. The sensitivity of these estimates was confirmed with the ARDL procedure suggested by Peseran, Shin and Smith. With the Granger non‐causality test using the Toda‐Yamamoto's technique, we found unidirectional causality running from domestic inflation to import demand, implying that previous values of domestic inflation offer additional information to explaining future values of aggregate import demand. Diversification of domestic production as well as other policies directed at enhancing price and quality competiveness of domestic products were recommended.

Fujian Province, as a major province of aquatic products production and export, occupies an important position in aquatic products export trade in China. However, since 2002, it has continuously encountered obstacles from the green trade barrier in various countries so that serious losses have been caused in the export trade of aquatic products, among which, Japan, as a major importer of aquatic products in Fujian province, has particularly set omnifarious obstacles for the reason of green environmental protection. After analyzing the status quo of aquatic products in Fujian Province, the thesis empirically analyzes the influence effect and degree of the green trade barrier measures implemented by Japan on aquatic products in Fujian Province with the econometric model, and proposes suggestions for the analysis results.

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