Here are some open access free-to-submit Economics journals that I try to follow and either I have already published in or I have a plan to submit some of my future works.
Decision Making in Manufacturing and Services.
Economics Bulletin.
Economic Horizons.
Erasmus Journal for Philosophy and Economics.
Finnish Economic Papers.
Journal of Economic Structures.
Journal of Mechanism and Institution Design
Health Economics Review.
Hitotsubashi Journal of Economics.
Prague Economic Papers
Review of Economic Analysis.
Seoul Journal of Economics.
SERIEs.
The European Journal of Applied Economics.