Isizinda se-ultrasonic samakhemikhali asebenzayo namafutha abalulekile kusekelwe esimisweni sokusebenza i-acoustic cavitation. Isibalo esingenhla sibonisa umphumela wokuwa kwe-cavitation bubble nokukhululwa kwamafutha abalulekile okuvela emthini wesitshalo dc.description.abstract This study is aimed at investigating the capital structures of the Johannesburg Stock Exchange listed South African IT firms and compare these to the capital structures of NASDAQ listed US IT firms in order to better understand the capital structures that JSE listed South African firms employ. The study made use of secondary data in the form of ratio analysis from public sources, as well as the published annual financial statements of the firms. The Generalised Method of Moments regression analysis technique was used in order to test the data for relationships between certain ratios. The study found positive relationships between the firm’s capital structure and its return on equity; meaning that firms should make use of their capital structures to maximise their return on equity and as a result, returns for its shareholders. en