Research Article

A Study of the Effect of Inflation and Exchange Rate on Stock Market Returns in Ghana

Table 2

Augmented Dickey-Fuller unit root test for the monthly rates of inflation and exchange rate (dollar rate) after first difference.

Variable Model typeTest statisticCritical value value

Inflation rateConstant−5.196−2.8800.001
Constant + trend−5.281−3.4390.001
None−5.096−1.9430.001

Exchange rate (dollar rate)Constant−5.508−2.8790.001
Constant + trend−5.58−3.4370.001
None−4.526−1.9430.001