Table 2 Hypothesized relationships between the number of telephone mainlines per 1000 people and independent variables in equation 2
Independent variables | Variable coefficient | Expected Sign | Studies from which the hypothesized signs are based |
|---|---|---|---|
Combined school enrolment ratio | β1 | Positive | Quibria et al [15];Chinn MD & Fairlie [17] |
Per capita income | β2 | Positive | Oyelaran-Oyeyinka & Lal [21]; |
Regulatory quality | β3 | Indeterminate |  |
Rule of law | β4 | Positive |  |
Corruption control | β5 | Indeterminate |  |