The article discusses how trade in services has been studied since the 1980s, with a focus on the impacts of liberalizing the services sector. Research shows that opening up services trade can lead to economic gains, like increased productivity and better coordination between firms. It also affects trade volumes, distribution of trade benefits, and overall economic growth. However, concerns about globalization's impact on labor markets, such as offshoring and wage pressure in high-income countries, have also been raised.