What are the similarities among pharmaceutical companies with high revenue of products?

It is shown that pharmaceutical companies with the high number of sales of other companies’ products are more likely to be stingy about investing money on research and development (R&D).

According to the Yakupdotcom(www.yakup.com)’s analysis of quarterly reports of the top 20 listed pharmaceutical companies in sales, 62% of their revenues were revenues of goods and 31% were from revenues of pr...