Antibiotic Demand in the Presence of Antimicrobial Resistance

Pierre Dubois and Gokce Gokkoca

No 23-1457, TSE Working Papers from Toulouse School of Economics (TSE)

Abstract: Antimicrobial resistance (AMR) increases hospital stays, medical costs and mortality. Antibiotic consumption and resulting selective pressure on bacteria can create AMR. We study the role of AMR on changes in prescriptions of antibiotics in France for treating bladder inflammation (cystitis) using a representative sample of general practitioners between 2002 and 2019. Effects of resistance on demand and substitution behavior are identified via a random coefficient logit model, controlling for the endogeneity of resistance using antibiotics sales in veterinary medicine. As resistance increases, physicians substitute to other drugs, and we test whether physicians consider predictable resistance evolution in their decisions. We perform counterfactual analysis assessing the impact of decreasing veterinary use of antibiotics and limiting fluoroquinolone use to treat cystitis. Both policies reduce resistance against fluoroquinolones but have opposite effects on substitution behavior and consumer surplus. Finally, we propose a method for the optimal pricing of rapid bacterial detection and antibiotic susceptibility testing.

JEL-codes: C25 D12 I10 L11 (search for similar items in EconPapers)
Date: 2023-07-25, Revised 2025-01
New Economics Papers: this item is included in nep-hea
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Citations: View citations in EconPapers (2)

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Related works:
Working Paper: Antibiotic Demand in the Presence of Antimicrobial Resistance (2025)
Working Paper: Antibiotic Demand in the Presence of Antimicrobial Resistance (2023)
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Persistent link: https://EconPapers.repec.org/RePEc:tse:wpaper:128309

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