The extant methodological literature has challenged case selection in qualitative case study research for being arbitrary or relying too much on convenience logic. This paper aims to address parts of such criticism on the rigour of case selection through the presentation of a sampling framework...

Observation-based analysis at the firm and plant level is alive, well, and growing, according to Frank Giarratani. More than eight hundred scholars, including many economists, embrace observation-based analysis, and identify with industry studies as a research field based on this principle.