RESEARCH METHODOLOGY
2.2 MARKET SIZE ESTIMATION
• The top-down approach was followed to estimate and validate the size of the global human insulin market and other dependent submarkets . The key players in the market were identified through secondary research , and their market shares in the respective regions were determined through primary and secondary research . This entire research methodology includes the study of the annual and quarterly financial reports of the top market players , as well as interviews with industry experts ( such as CEOs , VPs , directors , and marketing executives ) for key insights ( both quantitative and qualitative ) on the global human insulin market . All percentage shares , splits , and breakdowns were determined by using secondary sources , and verified through primary sources . All the possible parameters that affect the markets covered in this research study have been accounted for , viewed in extensive detail , verified through primary research , and analyzed to get the final quantitative and qualitative data . This data was consolidated and added with detailed inputs and analysis from MarketsandMarkets , and presented in this report .
2.2.1 BOTTOM-UP APPROACH
• The bottom-up approach was employed to arrive at the overall size of the global human insulin market from the revenues of the key players and their shares in the market . Calculations based on the revenues of the key players identified in the market led to the overall market size .
• For the calculation of the global market size , individual segmental revenue was calculated based on the number of units sold for human insulin delivery devices as well as annual consumption of human insulin drugs and their average selling price in the respective regions ; this was used to implement the bottom-up approach . The bottomup approach was also implemented for data extracted from secondary research to validate the market segment revenues obtained .
• FIGURE 2 BOTTOM-UP APPROACH
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