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Using the data of Chinese publically traded firms, we examine the relationship between managerial overconfidence and firm expansion and find that managerial overconfidence is positively correlated with the rate of firm expansion. In particular, overconfident managers tend to internally expand firms in an aggressive manner. Also a negative, though not statistically significant, relationship exists...
This paper examines the impacts of informal and formal institutions on the efficiency of credit resource allocation in the emerging market from the perspective of political connections and marketization. Based on the data of non-state owned listed companies in China, we find that as an informal institution, Political relationship helps companies to obtain more long-term loans. However, from a social...
Brightness and Greenness component tasseled cap transformation parameters for the four bands of HJ-1B CCD2 image were developed on the basis of the image acquired on October 14, 2009 which covered the Beijing area of China. Then the scatter plot between the Brightness and Greenness component of the subset image which covered Gaoantun landfill was used to classify the image into the non-landfill and...
A risk assessment for water shortage is constructed to analyze the carrying capacity of water resources in Sheshui River watershed, China. It is based on the information of present economic development. There are several serious environmental problems which might cripple the development potential in Sheshui River watershed. Risk assessment results are used to analyze the carrying capacity of water...
The model of RFID adoption in China is proposed, which includes FRID technology, organization, environment, perceived ease of use, perceived usefulness and the attitude of use. The survey is conducted and the data is analyzed with SEM using AMOS to verify the proposed model. The analysis shows that environmental variable has the most important influence on the RFID adoption. The second is organizational...
As one of the most popular applications in China, Xunlei's excellent performance attracts us to pay more attentions to its system mechanism. The issue of bandwidth theft in Xunlei is one of our focuses. Although its proprietary nature and its use of data encryption hinder our studies of Xunlei to some extent, we analyze and evaluate behaviors of bandwidth theft in Xunlei based on our measurements...
We compared UDP and TCP traffic in several traffic traces collected from different networks and geographical locations, at different times. We find that TCP still dominates in terms of packets and bytes, but UDP is now often responsible for the largest fraction of flows on a given link. A port-based analysis suggests that the recent increase in UDP flows on the traces analyzed stems mainly from P2P...
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