Money supply, interest rates, and electronic money as determinants of inflation in indonesia: Evidence from vecm analysis (2018–2023)
DOI:
https://doi.org/10.52300/grow.v11i2.24760Keywords:
Inflation, Money Supply, Interest Rates, Electronic Money, VECMAbstract
Inflation remains a key macroeconomic challenge for developing countries, including Indonesia, particularly amid monetary expansion and rapid digitalization of payment systems. This study analyzes the effects of money supply, interest rates, and electronic money (e-money) on inflation in Indonesia during the period 2018–2023. Using a quantitative approach, this research employs time-series data obtained from Bank Indonesia and the Central Statistics Agency (BPS). To capture both long-run equilibrium relationships and short-run dynamics among variables, the Vector Error Correction Model (VECM) is applied. The empirical results indicate that, in the long run, money supply and interest rates have a positive and statistically significant effect on inflation, suggesting that monetary expansion and higher borrowing costs contribute to rising price levels. In contrast, e-money exerts a significant negative effect on inflation in the long term, implying that the increasing use of digital payment instruments enhances transaction efficiency and reduces inflationary pressure. In the short run, only interest rates significantly affect inflation, while money supply and e-money do not show significant impacts, reflecting the presence of transmission lags in monetary policy and digital financial adoption. These findings highlight the importance of integrating digital payment systems into monetary policy frameworks. Policymakers are encouraged to consider the role of e-money development alongside conventional monetary instruments to achieve more effective inflation control and macroeconomic stability in Indonesia.
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