Institutional Quality, Macroeconomic Policy, and Sustainable Growth in Thailand

Pathairat Pastpipatkul and Htwe Ko ()
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Pathairat Pastpipatkul: Faculty of Economics, Chiang Mai University, Chiang Mai 50200, Thailand
Htwe Ko: Faculty of Economics, Chiang Mai University, Chiang Mai 50200, Thailand

Sustainability, 2025, vol. 17, issue 16, 1-29

Abstract: The effectiveness of fiscal and monetary policy in sustaining growth and facilitating recovery from economic crises is increasingly considered to be significantly influenced by the quality of a country’s institutions. Strong institutions may determine how well macroeconomic policies perform under both stable and turbulent circumstances. This study examines how institutional quality (IQ) moderates the effects of fiscal and monetary policies on economic growth in Thailand from Q1:2003 to Q4:2023. Using a combination of BART and BASAD models, we find that voice and accountability and control of corruption are key institutional factors. Among macroeconomic indicators, exports, household debt, gold prices, and electricity generation emerge as the most important drivers of growth during the study period. The findings showed that IQ stabilizes and enhances the impact of policy interest rates and export growth while mitigating negative shocks from household debt and energy infrastructure challenges. Monetary policy effectiveness varies and depends on governmental institutions. Fiscal policy remains mostly neutral but shifts with institutional conditions. These results highlight that strong institutions improve the efficacy of macroeconomic policies and support sustainable growth. This study empirically examines the moderating role of IQ in economic resilience and policy design in an emerging economy using microdata from Thailand as a focus and the Time-varying Seemingly Unrelated Regression Equation (tvSURE) model.

Keywords: institutional quality; fiscal policy; monetary policy; sustainable growth (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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