“…Whereas prior studies typically included only the variable of interest in the second-step regression (as in equation (2)), recent studies tend to include numerous control variables in the second-step regression (as in equation (3)). Figure 2 shows that of the 66 applications listed in table 1, 60 use second-step control variables, and of these studies 47 include 5 There are five studies (Kim, Park, and Wier [2012]; Franz, Hassabelnaby, and Lobo [2014]; Kim, Mauldin, and Patro [2014]; Ali and Zhang, [2015]; Chan et al [2015]) that appear twice in Table 1 because they use the two-step procedure in two different settings or applications. For example, Kim, Park, and Wier [2012] use the two-step procedure with both accruals and real activities.…”