Results 141 to 150 of about 192 (161)

How Venture Capital Firms Choose Syndication Partners: The Moderating Effects of Institutional Uncertainty and Investment Preference

Management and Organization Review, 2021
This study investigates how venture capital firms (VCs) choose syndication partners. Exponential random graph models of Chinese VC syndication networks from 2006 to 2013 show that the homophily mechanism does not always determine VCs’ partner selection ...
Lu Zheng   +5 more
semanticscholar   +1 more source

Impact of land use change on ecosystem services: Case study of the Zhangjiakou-Chengde area

Acta Ecologica Sinica, 2019
生态系统服务与人类福祉密切相关,人类活动引起的土地利用变化是生态系统服务变化的主要驱动力之一。运用InVEST模型估算张家口-承德地区产水量和土壤保持量,并分析不同海拔和坡度条件下,2011-2015年土地利用以及产水和土壤保持服务的变化,研究结果表明:建设用地和乔木林地分别为面积增加量和减少量最多的用地类型,陡坡地段建设用地增加的同时水体减少;灌木林地是产水和土壤保持能力均最高的生态用地类型;5年间产水量和土壤保持量分别增加了32.16×106 m3和17.69×106 t;产水量在海拔> 900 ...
许丁雪   +9 more
semanticscholar   +1 more source

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