Farmers in developing countries often encounter difficulties selling their products on local markets. Inadequate transport infrastructure in rural areas and large distances between areas of production and consumption mean that farmers find it costly to bring their produce to the market and this very often results in small net margins and poverty among farmers who are geographically isolated.
Lefèvre, M., & Tharakan, J. (2018). Intermediaries, transport costs and interlinked transactions. Review of Development Economics : an essential resource for any development economist, 22(2), 484-506. https://doi.org/10.1111/rode.12375 (Original work published 2018)