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The Impact of E-Commerce on Relative Prices and Consumer Welfare

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  • Yoon J. Jo
  • Misaki Matsumura
  • David E. Weinstein

Abstract

This paper examines the impact of e-commerce on pricing behavior and welfare. Using Japanese data, we find that the entry of e-commerce firms significantly raised the rate of intercity price convergence for goods sold intensively online, but not for other goods. E-commerce also lowered relative inflation rates for goods sold intensively online. We overcome data challenges using long data series and historical catalog sales as an instrument for e-commerce sales intensity. We estimate that reductions in price dispersion raised welfare by 0.3 percent. E-commerce also lowered variety-adjusted prices on average by 0.9 percent, and more in cities with highly educated populations.

Suggested Citation

  • Yoon J. Jo & Misaki Matsumura & David E. Weinstein, 2019. "The Impact of E-Commerce on Relative Prices and Consumer Welfare," NBER Working Papers 26506, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:26506
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    Cited by:

    1. Tsutomu Watanabe & Yuki Omori, 2021. "Online Consumption During and After the COVID-19 Pandemic: Evidence from Japan," Working Papers on Central Bank Communication 035, University of Tokyo, Graduate School of Economics.
    2. Chung, Jamie, 2023. "The spillover effect of E-commerce on local retail real estate markets," Regional Science and Urban Economics, Elsevier, vol. 101(C).
    3. Jouchi Nakajima & Masato Takahashi & Tomoyuki Yagi, "undated". "An Assessment of Online Consumption Trends in Japan during the COVID-19 Pandemic," Bank of Japan Working Paper Series 22-E-11, Bank of Japan.
    4. Messner, Teresa & Rumler, Fabio & Strasser, Georg, 2022. "Cross-country price and inflation dispersion: Retail network or national border," Single Market Economics Papers WP2022/11, Directorate-General for Internal Market, Industry, Entrepreneurship and SMEs (European Commission), Chief Economist Team.
    5. Yi Che & Meng Yuan & Yan Zhang & Lin Zhao, 2024. "Cross‐border E‐commerce and China's Exports during the COVID‐19 Pandemic," China & World Economy, Institute of World Economics and Politics, Chinese Academy of Social Sciences, vol. 32(3), pages 215-242, May.
    6. Dedola, Luca & Ehrmann, Michael & Hoffmann, Peter & Lamo, Ana & Paz-Pardo, Gonzalo & Slacalek, Jiri & Strasser, Georg, 2023. "Digitalisation and the economy," Working Paper Series 2809, European Central Bank.
    7. Joel Alcedo & Alberto Cavallo & Bricklin Dwyer & Prachi Mishra & Antonio Spilimbergo, 2022. "Back to Trend: COVID Effects on E-commerce in 47 Countries," NBER Working Papers 29729, National Bureau of Economic Research, Inc.
    8. Tsutomu Watanabe & Yuki Omori, 2021. "Online Consumption During and After the COVID-19 Pandemic: Evidence from Japan," CARF F-Series CARF-F-524, Center for Advanced Research in Finance, Faculty of Economics, The University of Tokyo.

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    More about this item

    JEL classification:

    • F14 - International Economics - - Trade - - - Empirical Studies of Trade
    • L86 - Industrial Organization - - Industry Studies: Services - - - Information and Internet Services; Computer Software
    • R32 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Real Estate Markets, Spatial Production Analysis, and Firm Location - - - Other Spatial Production and Pricing Analysis

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