Table 3.

Hypothesized relationships between the number of cellular phone subscribers per 1000 people and independent variables in equation 3

Independent variables	Variable Coefficients	Expected Signs	Studies from which the hypothesized signs are based
Combined school enrolment ratio	β1	Positive	Chinn & Fairlie [17];
Per capita income	β2	Positive	Chinn & Fairlie [17];Oyelaran-Oyeyinka & Lal [21];Quibria et al [15]
Regulatory quality	β3	Positive	Chinn & Fairlie [17];
Rule of law	β4	Indeterminate
Corruption control	β5	Indeterminate