Pfizerisoneoftheworld'slargestpharmaceuticalcompanies. Developing itsCOVID - 19 vaccine isacostly,uncertainandcomplexprocess.Thiscompany would needtoconsider which parts of the vertical chain to outsource and which to conduct inhouse. Using the theory of the optimal boundary of the firm, discuss Pfizer's make - or - buy decision for developing and producing its

COVIDvaccine. WhatstagesoftheverticalchainshouldPfizerconsider conducting inhouse, and which should be outsourced? Provide reasons for your findings.