Drug makers spend 35% of revenue on promotion

Details of drug maker's spending revealed Monday show that the country's 53 pharmaceutical companies on average spend 35 percent of their revenue on marketing and hospitality during the nine months of the year, showing no change compared to the previous year.

Yakup.com, a pharmaceutical information provider, said Monday that the 53 drug makers dished out a total of 2.73 trillion won over a n...