A methodological framework to address gaps in the evidence on infrastructure impacts: the case of an Indian railway project evaluation

Sreeja Jaiswal and Gunther Bensch

Journal of Economic Methodology, 2019, vol. 26, issue 1, 32-44

Abstract: Infrastructure is a key area of public investment and development cooperation, and can be seen as a critical enabler of trade and integration. Stakeholders increasingly demand evidence on the effectiveness of investments in infrastructure such as railways, in part because these investments typically lock in development patterns for decades. In this article we take stock of the main findings, methodological approaches, gaps and caveats of the current literature with a focus on railways. Based on this analysis, we present a methodology for an impact evaluation framework which builds on existing knowledge and addresses some of these shortcomings. Beyond the dearth of empirical evidence on the socio-economic and environmental impacts of infrastructure, we discuss critiques of the currently prevalent methodological toolbox. Using a real-world railway project in India, the Konkan Railway, we exemplify how a rigorous quantitative impact assessment can integrate inter-disciplinary and mixed-methods features to address these issues. Specifically, we apply different quasi-experimental techniques on the level of intermediate and ultimate outcome and impact indicators, using census, survey and satellite data and information from document analyses, interviews and focus group discussions. We draw on insights from economics, sociology, engineering and geography in making sense of large infrastructure projects and their impacts.

Date: 2019
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DOI: 10.1080/1350178X.2018.1561073

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