Overall, our sample firms recruit their senior level staff from Hong Kong, junior and
intermediate level staff from the Mainland. Figure 1 shows that the curves for
sufficiency of staff are leaned to the left, suggesting that the sample firms have
sufficient staff. A “1 to 6” scale is used to measure the sufficiency of staff where “1”
represents “very sufficient” and “6” represents “very insufficient”. Thus, a “3.5” serves
as a reasonable cut-off between sufficiency and insufficiency. The mean sufficiency