non-convexity
... that economists blame market failures on non-convexity?
... that economists blame <a href="./Market_failure" id="mwE3U" rel="mw:WikiLink" title="Market failure">market failures</a> on <b id="mwE3Y"><a href="./Non-convexity_(economics)" id="mwE3c" rel="mw:WikiLink" title="Non-convexity (economics)">non-convexity</a></b>?