The info-communications and retail sectors were covered in the first quarter. This was followed by the air transport, land transport, logistics, public education, and private education sectors in the second quarter. The food and beverage and tourism sectors were measured in the third quarter. In total, the CSISG 2015 study recorded 42,501 unique responses covering 2,330 companies in the 11 industry sectors studied. These sectors cover two-thirds of Singapore's gross domestic product (GDP).
Link:
https://www.smu.edu.sg/sites/default/files/smu/news_room/smu_in_the_news/2016/Ap...
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