Re-visiting traditional trust
measurement: using artefactual
field experiments to measure
trust and predict
micro-lending decisions
Steven Buck and Yoko Kusunose
Department of Agricultural Economics, University of Kentucky,
Lexington, Kentucky, USA, and
Jeffrey Alwang
Department of Agricultural and Applied Economics,
Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA
Abstract
Purpose – The purpose of this work is to experimentally measure trust and study its relationship to group
loan allocation within a community bank.
Design/methodology/approach – An artefactual field experiment is run to capture a measure of trust that
mimics aspects of trusting behavior in a community bank. The experimental design and empirical setting take
into account risk and altruism, two known confounders of trust measures. Regression analysis is used to
estimate the relationship between a novel measure of trust and the loan amount a borrower receives from their
rural community bank.
Findings – The trust measure has a statistically significant, positive relationship with loan size. A one
standard deviation increase in the trust measure corresponds to a 13.3 percent increase in the loan amount.
Social implications – Results of the study suggest that, for community banks, trust in a borrower plays a
large role in screening applicants and therefore determining loan size. Several such banks have considered
graduating to commercial credit. However, given the outsize role of trust in lending decisions, it is not clear if
commercial lending models – which rely less on social capital – will work.
Originality/value – A new trust game is developed that captures relationship-specific measures of directed
trust that community bank members have towards each borrower. The trust measure is also context-specific as
play in the game is analogous to how community bank members trust some borrowers (more than others) with
larger loans. The emphasis on relationship- and context-specific trust measures is key to interpreting results
from artefactual field experiments.
Keywords Trust, Microfinance, Social capital, Artefactual field experiment, Group lending
Paper type Research paper
1. Introduction
Increasing agricultural productivity is considered to be a precondition for economic
development, something that can be catalyzed by increasing the availability of credit.
However, one commonality among rural communities in poorer countries is the relative
scarcity of credit. Commercial lenders tend not to serve these constituencies due to the low
levels of collateral assets held by would-be borrowers, the small sums that would be
transacted, and the high transaction costs associated with screening, monitoring and
enforcing lending contracts with individuals (Armend ariz and Morduch, 2005; Banerjee and
Duflo, 2007). Where commercial lenders do not enter, other lending entities have developed
organically or “moved in.” While these entities come in many forms, they can be characterized
by the small amounts loaned (hence the terms “microlending” and “microfinance”) and their
reliance on peer screening and social capital. The premise behind these lending models is that
Re-visiting
traditional
trust
measurement
The current issue and full text archive of this journal is available on Emerald Insight at:
https://www.emerald.com/insight/0002-1466.htm
Received 17 September 2019
Revised 21 January 2020
18 June 2020
Accepted 19 June 2020
Agricultural Finance Review
© Emerald Publishing Limited
0002-1466
DOI 10.1108/AFR-09-2019-0104