Frugal innovations are often associated with sustainable development. These connections, however, are based on anecdotal assumptions rather than empirical evidence. This article evaluates the sustainability of four frugal innovations from water and energy sectors. For the purposes of the...

There is no lack of prefixes for a term innovation in innovation discourse. Concepts of frugal innovation and reverse innovation have emerged recently and there are already several hallmark examples of them. However, extant academic literature on these concepts is still quite limited. The...