Eco-Efficiency Analysis for the Russian Cities along the Northern Sea Route: A Data Envelopment Analysis Approach Using an Epsilon-Based Measure Model
Round 1
Reviewer 1 Report
Global review comments
a) Tables/Figures formatting must be improved.
b) The authors must be explain how obtained the data information.
Other comments
Line 154: All acronyms must be clarify in text
Line 225: Section 3 should be improved
Line 240: Equation (2): all variable must be clarified
Line 283: Table 2 must be represented using one page
Line 338: Please clarify “It is clear from Table 4 that the efficiency of capital and public investment of many Russian Arctic cities is relatively low, as 18 out of 28 cities need to have a more-than-50% reduction in both capital and public investment to achieve eco-efficiency.”
Line 439: The Supplementary Materials are not available.
Line 456: Please clarify “The data presented in this study is contained within the article.”
Author Response
Please see the attachment.
Author Response File: 
Author Response.pdf
Reviewer 2 Report
Comments are located in the attached file
Comments for author File: Comments.pdf
Author Response
Please see the attachment.
Author Response File: Author Response.pdf
Reviewer 3 Report
1. The work is exciting and essential to the field.
2. I have minor considerations to make:
a. Rewrite the first person pronouns into third person (impersonal form).
b. Revise reference #35. Consider that there are more recent publications.
c. Specify the reason for the temporal cut-off being only up to the year 2019.
Author Response
Please see the attachment.
Author Response File: Author Response.pdf
