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Sukuk and Inflation Dynamics in Indonesia: A Time Series Linear Model Investigation Pimada, Laila M.; Miranti, Titis
Indonesian Journal of Islamic Economics and Finance Vol. 4 No. 1 (2024)
Publisher : Institut Agama Islam Sunan Giri Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37680/ijief.v4i1.5716

Abstract

This study examines the impact of sukuk on inflation in Indonesia, considering the interplay of macroeconomic factors during the post-COVID-19 recovery period. Employing a time series linear model (TSLM) with monthly data from January 2019 to March 2024, we investigate the relationship between sukuk outstanding and inflation (Consumer Price Index), controlling for industrial production, exchange rate, interest rate, and Composite Leading Indicator (CLI). Results reveal a significant positive relationship between sukuk and inflation, suggesting that increased sukuk outstanding is associated with higher inflation rates. This finding contributes to the existing literature by providing empirical evidence of the inflationary impact of sukuk in Indonesia, especially in the context of post-pandemic recovery. The study also identifies significant positive relationships between inflation and interest rate, as well as inflation and CLI, highlighting their roles in driving inflation. While the exchange rate also exhibits a positive relationship with inflation, industrial production shows a negative association, suggesting a potential dampening effect on inflation. The model demonstrates strong explanatory power, with an adjusted R-squared of 0.9818, indicating that the included variables effectively capture the variation in inflation. These findings offer valuable insights for policymakers in formulating effective inflation management strategies and ensuring macroeconomic stability in Indonesia's post-pandemic recovery.
Modeling technology and profitability as moderators of competition, efficiency, and risk in Islamic bank stability Oktaviana, Ulfi Kartika; Miranti, Titis
Journal of Islamic Economics Lariba Vol. 11 No. 2 (2025)
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jielariba.vol11.iss2.art15

Abstract

IntroductionIslamic commercial banks in Southeast Asia are facing growing challenges as competition intensifies and digital transformation accelerates. Stability has become a central concern, particularly in Indonesia and Malaysia where Islamic finance holds significant market share. While prior studies highlight competition, efficiency, credit risk, and liquidity risk as determinants of financial stability, the moderating influence of technology adoption and profitability has been less explored.ObjectivesThis study investigates the effects of competition, efficiency, credit risk, and liquidity risk on the stability of Islamic commercial banks in Indonesia and Malaysia. It further examines how technology and profitability moderate these relationships, offering a comprehensive understanding of their role in shaping bank resilience.MethodThe research employed a quantitative approach using panel data from 14 Islamic commercial banks between 2010 and 2022. Bank stability was measured with the Z-Score, competition with the Lerner Index, efficiency with operating costs, and credit and liquidity risks with respective ratios. Technology was proxied by non-interest expenditures, while profitability was measured by return on assets. The analysis applied the generalized method of moments to address endogeneity and ensure robust estimates.ResultsThe findings reveal that competition enhances bank stability, while credit and liquidity risks undermine it. Efficiency does not significantly affect stability. Technology exerts a dual effect: it improves stability directly but weakens the stabilizing influence of competition and heightens vulnerabilities linked to liquidity risk. Similarly, profitability supports stability under moderate risk-taking but magnifies the negative effects of excessive credit and liquidity risks. Bank size strengthens stability, whereas bank age is associated with greater fragility.ImplicationsThese results highlight that technology and profitability are double-edged factors: they can either reinforce or erode financial stability depending on how banks align them with risk management practices. Regulators and managers must ensure that digitalization and profit strategies are embedded within disciplined governance frameworks to prevent systemic vulnerabilities.Originality/NoveltyThis study contributes to the Islamic banking literature by introducing technology and profitability as moderators in the stability model, using a cross-country dataset and advanced estimation techniques. It offers new insights for policymakers and practitioners on balancing growth, digitalization, and risk control in sustaining the resilience of Islamic commercial banks.