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In this paper, we calculated the impact on Hong Kong's economy due to the establishment of Hong Kong-Zhuhai-Macao bridge. First, the amount of exports/imports between the pearl river delta cities and Hong Kong, the GDP and per capita GDP of the pearl river delta cities, the GDP and per capita GDP of Hong Kong, the distance of the pearl river delta cities to Hong Kong are chosen as indexes. The change of imports and exports amount due to the change of the distance between Hong Kong and the pearl river delta cities in 2017, 2020, 2025 and 2030, are measured by using the gravity model. And then, based on Cobb Douglas model, import/export trade indicators are introduced and scientific research level is added to the index of technological change, we measured the influence of import and export trade on Hong Kong's economy with the ridge regression estimation method. So we obtain the economic effect due to the establishment of Hong Kong-Zhuhai-Macao bridge. At last, we put forward some suggestions. [ABSTRACT FROM AUTHOR]

In this paper, the bibliometric method is used to sort out and analyze the development of business model study by statistical analysis and citation networks. Empirical results show the latest hot topics in the business model study focus on business model diagnosis, innovation and design. Three future trends are proposed including the quantification of theoretical research, the extension of the research range and the informatization of market research. The perspective and conclusion of business model in this paper will be particularly illuminating for both academic research and enterprises1 practice application. [ABSTRACT FROM AUTHOR]