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Demand and Supply Linkages in Exporting Multiproduct Firms

Author

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  • Eckel, Carsten
  • Flach, Lisandra
  • Meng, Ning

Abstract

Products produced by multiproduct firms can be linked through demand linkages (cannibalization), supply linkages (joint production), or both. We analyze how these within-firm linkages shape the propagation of shocks - such as tariffs - across products and markets and affect firm performance through changes in markups and marginal costs. Exploiting antidumping duties as firm-product-market specific shocks, we provide evidence of both types of linkages and quantify their relative importance. On average, two-thirds of within-firm linkages arise from demand linkages and one-third from supply linkages, with substantial heterogeneity across industries. We further estimate their effects on markups and marginal costs, showing that roughly 80% of the adjustment occurs through marginal costs and 20% through markups. Our findings indicate that disregarding either type of linkage can lead to sizable misestimations of markups and pass-through rates.

Suggested Citation

  • Eckel, Carsten & Flach, Lisandra & Meng, Ning, 2023. "Demand and Supply Linkages in Exporting Multiproduct Firms," CEPR Discussion Papers 18627, Centre for Economic Policy Research.
    • Handle: RePEc:cpr:ceprdp:18627
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    Cited by:

    1. is not listed on IDEAS
    2. Mulyukova, Alina, 2025. "Services liberalization and product variety of manufacturing firms," Kiel Working Papers 2294, Kiel Institute for the World Economy.
    3. Ruxue Bai & Lei Li & Ying Li & Libo Yin, 2024. "Diversification or Specialization? The Responses of Multi-Product Exporters to Quota Removal," CRC TR 224 Discussion Paper Series crctr224_2024_533, University of Bonn and University of Mannheim, Germany.

    More about this item

    Keywords

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    JEL classification:

    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • D22 - Microeconomics - - Production and Organizations - - - Firm Behavior: Empirical Analysis
    • D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity
    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations
    • F14 - International Economics - - Trade - - - Empirical Studies of Trade
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L25 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Performance

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