1. Procedural invariance as a result of commitment costs: evidence from an economic experiment on farmers' willingness to pay for digestate. Issue 15 (2nd September 2019) Authors: Pappalardo, Gioacchino; Selvaggi, Roberta; Lusk, Jayson L. Journal: Applied economics letters Issue: Volume 26:Issue 15(2019) Page Start: 1243 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗