Suggests that the theory and practice of new models for strategic analysis of business/product areas are based on a set of premisses. Looks at four strategic models: the Boston Consulting Group matrix, the General Electric “business screen”, Michael Porter's structural approach; and the...

This paper adds some formal research to the success of ongoing efforts to combat the COVID-19 pandemic by examining the drivers of the administration and delivery efficiency of coronavirus vaccines. For this purpose, we use data from the 50 US states and place the formal analysis in the context...