Declinism Bias (Why do we view the past as more positive than the future?)
The Declinism Bias, a brief explanation
What is the Declinism Bias?
The declinism bias is the tendency to view the past with positive ‘rosy retrospection’ and the future more negatively.

Example
When reflecting on your workplace a few years ago you may view it as being better than it currently is despite there being no changes.
The literature
Maloni, M. J., Swaim, J. A., Mutli, C. C. & Wermert, J. (2019). Exploring student perceptions of offshoring. The International Journal of Management Education, 17(2), 226-238. Doi: 10.1016/j.ijme.2019.03.003