If anyone can download these articles, it will be very helpful for me to finish my paper. I cannot get access to these articles in EBSCOhost and ProQuest. My university credential does not have access to ScienceDirect. See the list of institutions:

https://www.sciencedirect.com/customer/institutionchoice?targetURL=%2Fuser%2Frouter%2Flogin%3FtargetURL%3D%252Fscience%252Farticle%252Fpii%252FS0267364915001661

The list of the articles are:

https://www.sciencedirect.com/science/article/pii/S1877050917328624

https://www.sciencedirect.com/science/article/pii/S0267364915001661

https://www.sciencedirect.com/science/article/pii/S0007681315000865

https://www.sciencedirect.com/science/article/pii/S0747563216302990

https://dl.acm.org/citation.cfm?id=3188448

https://www.sciencedirect.com/science/article/pii/S0040162518301136

https://www.tandfonline.com/doi/abs/10.1080/09537325.2016.1269160?scroll=top&needAccess=true&journalCode=ctas20

https://ideas.repec.org/p/hal/journl/hal-01920679.html

https://www.tandfonline.com/doi/abs/10.1080/08874417.2016.1186524