There was an interesting post on Reddit the other day about what most economists agree upon. The post points out the importance of consensus among economists. Here are some of the links cited there.
Summary from THE ECONOMICS OF FERTILITY: A NEW ERA
Some quality podcast related to Economics.
A collection of ranking sources.
The theory is derived from the original paper: Measuring aggregate productivity growth using plant-level data by Petrin & Levinsohn (2013). I learned about this model from the Applied Macroeconomics course by Professor Suzuki course.