Article History
Received: 24 March 2023
Revised: 13 March 2024
Accepted: 12 April 2024
First Online: 4 May 2024
Declarations
:
: The authors declare that there exists no competing financial interest or personal relationships that could have appeared to influence the work reported in this paper.
: Hereby, I (Truong Thu Ha) consciously assure that for the manuscript “Education Expansion and Its Returns to Education in Vietnam: A Two-Step Heckman Model Analysis” the following is fulfilled:(1) This material is the authors' own original work, which has not been previously published elsewhere.(2) The paper is not currently being considered for publication elsewhere.(3) The paper reflects the authors' own research and analysis in a truthful and complete manner.(4) The paper properly credits the meaningful contributions of co-authors.(5) The results are appropriately placed in the context of prior and existing research.(6) All sources used are properly disclosed. Literally copying of text must be indicated as such by using quotation marks and giving proper reference.(7) All authors have been personally and actively involved in substantial work leading to the paper, and will take public responsibility for its content.