3. Heteroscedasticity: When using the Heckman two-stage estimator, it is important to test for heteroscedasticity, as the presence of heteroscedasticity can affect the efficiency of the estimator. This can be done using tests like the White's test for heteroscedasticity. Overall, the results of th...
关键词:媒体关注;融资约束;产权性质;Heckman两阶段模型 中图分类号 :F234.4 文献标识码 :A 文章编号 :1000—2154(2016)08—0087—1 1 M edia Coverage,Ownership Nature and Financing Constraints of Listed Companies —— An Empirical Test Based on Heckman Two-stage M odel ZHONG Qiu—yan,SHI Xiao-...
In this study, a Heckman two-stage selection model was employed to recognize the major drivers of vegetable market participation among vegetable-growing households in the study area. Before applying the model, several tests were undertaken to address model assumptions and the issue of the risk of ...
An empirical test on Belgian data, using a two-stage probit-OLS model, indicates that the crowding theory dominates the search hypothesis for men. For women, it seems to be outweighed by relatively higher reservation wages, probably due to women's different behaviour with respect to family ...
媒体监督对上市公司融资约束的影响研究——基于Heckman两阶段模型 A Study of the Impact of Media Monitoring on Financing Constraints of Listed Companies——An Empirical Test Based on Heckman Two-stage Model 作者：仲秋雁;石晓峰 作者机构：大连理工大学,大连116024 出版物刊名：工业技术经济 页码：52-59页 ...
媒体关注、产权性质与上市公司融资约束——基于Heckman两阶段模型 Media Coverage,Ownership Nature and Financing Constraints of Listed Companies——An Empirical Test Based on Heckman Two-stage Model 作者：仲秋雁;石晓峰 作者机构：大连理工大学管理与经济学部,辽宁大连116024 出版物刊名：商业经济与管理 页码：87-...