Articles

Financial Frictions and Supply Shocks: Inflation Persistence Mechanisms (2020–2025)

Financial Frictions and Supply Shocks: Inflation Persistence Mechanisms (2020–2025)

Abstract

Persistent inflation episodes during 2020–2025 are difficult to explain using frameworks that treat inflation persistence as primarily a nominal phenomenon driven by expectations and price rigidities. This review argues that persistence in recent years is better understood as the interaction of (i) (i) adverse supply shocks transmitted through production networks (energy-price surges, shipping bottlenecks, shortages of intermediates) and (ii) financial frictions that amplify cost pressures (credit spreads, borrowing constraints, intermediary balance-sheet limits). Using a narrative synthesis of peer-reviewed and policy research from 2020–2025, the paper organises findings by transmission channels and measurable indicators. Evidence from the euro area and the United States indicates that supply-chain pressure shocks can generate hump-shaped and persistent inflation responses, while financial conditions influence the magnitude and duration of cost pass-through via working-capital costs, delayed capacity adjustment, and risk premia embedded in borrowing rates. The review proposes an operational measurement approach for researchers and policy analysts that links supply diagnostics (e.g., supply-chain pressure indices, energy pass-through measures) with macro-financial monitoring (credit spreads, bank lending standards, financial conditions indices). The main implication is that inflation persistence should be modelled and monitored as a joint outcome of shock composition and financial amplification, rather than a purely expectations-driven process.

How to Cite

Rexhepi, B. R. (2026). Financial Frictions and Supply Shocks: Inflation Persistence Mechanisms (2020–2025): Financial Frictions and Supply Shocks: Inflation Persistence Mechanisms (2020–2025). Transnational Academic Journal of Economics, 2(2). Retrieved from https://tacje.net/index.php/pub/article/view/56

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