Drug makers spend 37.4% of revenue on promotion in 1Q

Details of drug company spending revealed Monday show that the country's 52 pharmaceutical companies listed on Seoul bourse spend on average 37.4 percent of their revenue on marketing and hospitality during the first three months of the year, an increase of 1.3 percent from a year earlier, according to recent data from Yakup.com.

This is a disproportionately high amount, considering that Kor...