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PRWP

Reproducibility package for Diffusion In Social Networks: Experimental Evidence On Information Sharing Vs Persuasion

2025
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Reference ID
RR_IND_2025_371
DOI
https://doi.org/10.60572/srha-j587
Author(s)
Marcel Fafchamps, Asad Islam, Debayan Pakrashi, Denni Tommasi
Collections
World Bank Policy Research Working Papers
Metadata
JSON
Created on
Sep 08, 2025
Last modified
Oct 16, 2025
  • Project Description
  • Downloads
  • Overview
  • Reproducibility Package
  • Description
  • Scope and coverage
  • Disclaimer
  • Access and rights
  • Contacts
  • Information on metadata
  • Citation
  • Overview

    Abstract

    Human behaviors and innovations often spread through social networks, yet the mechanisms driving this diffusion—information sharing or persuasion—remain debated. Using a large-scale randomized controlled trial in Uttar Pradesh, India, we examine these dynamics while promoting a newly introduced savings commitment product. Our findings reveal persuasion as the dominant channel: villages where persuasion was incentivized experienced significantly higher product sign-up and take-up rates, even without corresponding increases in financial literacy or product knowledge. Conversely, providing information alone had minimal impact. The combined intervention of persuasion and information delivered the highest outcomes, highlighting their complementary roles. These results highlight the critical importance of persuasion in driving behavioral change and suggest that information dissemination alone may often be insufficient for effective adoption and diffusion.

    Reproducibility Package

    Scripts
    Readme Get Reproducibility Package
    Link: https://reproducibility.worldbank.org/index.php/catalog/323/download/981/README.pdf
    Reproducibility package for Diffusion In Social Networks: Experimental Evidence On Information Sharing Vs Persuasion
    File name
    RR_IND_2025_371
    Zip package
    RR_IND_2025_371.zip
    Title
    Reproducibility package for Diffusion In Social Networks: Experimental Evidence On Information Sharing Vs Persuasion
    Date
    2025-09
    Dependencies
    Stata dependencies are listed in the folder "Replication/ado".
    Instructions
    See README in reproducibility package.
    Notes
    Computational reproducibility verified by Development Impact (DECDI) Analytics team, World Bank.
    Source code repository
    Repository name URI
    Reproducible Research Repository (World Bank) https://reproducibility.worldbank.org
    Software
    Stata
    Name
    Stata
    Version
    18.5 MP

    Reproducibility

    Technology environment

    Paper exhibits were reproduced on a computer with the following specifications:
    • OS: Windows 11 Enterprise, version 23H2
    • Processor: Intel(R) Xeon(R) Platinum 8562Y+ 2.80GHz (2 processors)
    • Memory available: 32 GB
    • Software version: Stata (StataNow) 18.5 MP-Parallel Edition

    Technology requirements

    Runtime: 12 hours

    Reproduction instructions
    • Change the global directory in line 17 of the do-file "main".
    • Run the do-file

    Data

    Datasets
    Survey data on savings and information sharing for sampled communities in Uttar Pradesh, India - Baseline and Endline
    Name
    Survey data on savings and information sharing for sampled communities in Uttar Pradesh, India - Baseline and Endline
    Note
    Source: data was collected by the authors. File names: "FI_Baseline_Survey_Kanpur_Data.xlsx", "FI_Endline_Survey_C_Data.xlsx", "FI_Endline_Survey_Control_Data.xlsx", "FI_Endline_Survey_IA_Data.xlsx", "FI_Endline_Survey_IAP_Data.xlsx", "FI_Endline_Survey_IP_Data.xlsx", "FI_Village_Survey_Dataset.xlsx", "date_signup_final.dta". Data was collected from April 2022 to July 2023.
    Access policy
    Data is publicly available and included in the reproducibility package.
    Data statement

    All data sources are publicly available and included in the reproducibility package.

    Description

    Output
    Diffusion In Social Networks: Experimental Evidence On Information Sharing Vs Persuasion
    Type
    Working Paper
    Title
    Diffusion In Social Networks: Experimental Evidence On Information Sharing Vs Persuasion
    Description
    Policy Research Working Papers (PRWP)
    Authors
    Author Affiliation Email
    Marcel Fafchamps Stanford University fafchamps@stanford.edu
    Asad Islam Monash University asadul.islam@monash.edu
    Debayan Pakrashi ISI Kolkata pakrashide@gmail.com
    Denni Tommasi University of Bologna, World Bank denni.tommasi@unibo.it
    Date of production

    2025-09-05

    Scope and coverage

    Geographic locations
    Location Code
    India IND
    Keywords
    Diffusion Social Networks Savings Financial Inclusion Information Persuasion
    Topics
    ID Topic Parent topic ID Vocabulary Vocabulary URI
    O16 Financial Markets • Saving and Capital Investment • Corporate Finance and Governance O1 Journal of Economic Literature (JEL)
    D14 Household Saving • Personal Finance D1 Journal of Economic Literature (JEL)
    G21 Banks • Depository Institutions • Micro Finance Institutions • Mortgages G2 Journal of Economic Literature (JEL)

    Disclaimer

    Disclaimer

    The materials in the reproducibility packages are distributed as they were prepared by the staff of the International Bank for Reconstruction and Development/The World Bank. The findings, interpretations, and conclusions expressed in this event do not necessarily reflect the views of the World Bank, the Executive Directors of the World Bank, or the governments they represent. The World Bank does not guarantee the accuracy of the materials included in the reproducibility package.

    Access and rights

    License
    Name URI
    Modified BSD3 https://opensource.org/license/bsd-3-clause/

    Contacts

    Contacts
    Name Affiliation Email
    Denni Tommasi University of Bologna, World Bank denni.tommasi@unibo.it
    Reproducibility WBG World Bank reproducibility@worldbank.org

    Information on metadata

    Producers
    Name Abbreviation Affiliation Role
    Reproducibility WBG DECDI World Bank - Development Impact Department Verification and preparation of metadata
    Date of Production

    2025-09-05

    Document version

    1

    Citation

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