The impact of prices and pricing units on residual and organic waste: Evidence from Wallonia, Belgium

[en] Waste pricing is important to encourage households to reduce their waste and to increase sorting and recycling. Pricing instruments include differentiated prices for the waste fractions collected and the choice of an appropriate pricing unit (volume, weight, levy). In this paper, we test the effectiveness of those different instruments using an original and complete dataset from Wallonia (the southern region of Belgium), covering 10 years and all the 262 municipalities of the region. Our approach is to estimate the sensitivity of households’ production of residual and organic waste to prices i.e., the price elasticities, using sophisticated econometric techniques to control for the endogeneity of prices. For residual waste, we show a significant own-price elasticity, which is higher when organic waste is not collected at the curbside. For organic waste, we found an important and significant cross-price elasticity, but a limited own-price elasticity. Hence, the privileged instrument to encourage waste reduction and sorting should be the price of residual waste. Finally, we show that the weight-based pricing system contributes substantially to the reduction of residual waste.

Research Center/Unit :

LCII - Liège Competition and Innovation Institute - ULiège

Disciplines :

Economic systems & public economics

Author, co-author :

Gautier, Axel ; Université de Liège - ULiège > HEC Liège : UER > UER Economie : Economie industrielle

Salem, Iman ; Université de Liège - ULiège > HEC Liège : UER > UER Economie : Economie industrielle

Language :

English

Title :

The impact of prices and pricing units on residual and organic waste: Evidence from Wallonia, Belgium

Publication date :

2023

Journal title :

Waste Management

ISSN :

0956-053X

eISSN :

1879-2456

Publisher :

Elsevier, New York, United States - New York

Volume :

155

Pages :

99-106

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 08 May 2021

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