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How Much do We Care about Air Quality Improvements? Evidence from Italian Households Data

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  • Chiara Martini

    ()

  • Silvia Tiezzi

    ()

Abstract

The purpose of this study is to identify the drivers of the Willingness to Pay (WTP) for air quality improvements in Italy. A better understanding of which factors, besides income, influence the willingness to pay for air quality improvements is important to guide future air quality policy. We estimate the WTP for air quality improvements in Italy using a novel approach (Ebert, 2007) and a unique dataset obtained by merging data on Italian households’ monthly current expenditure and information on a bundle of air pollutants’ concentrations. We find a WTP for air quality improvements between 2 and 10 Euros/month per household. We then consider how WTP varies by location of the household, the level of air quality and over time. We find higher WTP values for the Northwest and the Centre of Italy where the big metropolitan areas are located. We also observe that the WTP for air quality improvements declines as the level of air quality improves. Finally, the value of improvements in air quality decreases over time, maybe signaling a change of preferences.

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Paper provided by Department of Economics, University of Siena in its series Department of Economics University of Siena with number 674.

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Date of creation: May 2013
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Handle: RePEc:usi:wpaper:674

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Keywords: Willingness to Pay; Air Quality Improvements; Demand Systems;

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  1. Lindhjem, Henrik, 2007. "20 years of stated preference valuation of non-timber benefits from Fennoscandian forests: A meta-analysis," Journal of Forest Economics, Elsevier, vol. 12(4), pages 251-277, February.
  2. Jette Jacobsen & Nick Hanley, 2009. "Are There Income Effects on Global Willingness to Pay for Biodiversity Conservation?," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 43(2), pages 137-160, June.
  3. Ebert, Udo, 2007. "Revealed preference and household production," Journal of Environmental Economics and Management, Elsevier, vol. 53(2), pages 276-289, March.
  4. Bergmann, Ariel & Hanley, Nick & Wright, Robert, 2006. "Valuing the attributes of renewable energy investments," Energy Policy, Elsevier, vol. 34(9), pages 1004-1014, June.
  5. Wiser, Ryan H., 2007. "Using contingent valuation to explore willingness to pay for renewable energy: A comparison of collective and voluntary payment vehicles," Ecological Economics, Elsevier, vol. 62(3-4), pages 419-432, May.
  6. Fabrizio Balli & Silvia Tiezzi, 2010. "Equivalence scales, the cost of children and household consumption patterns in Italy," Review of Economics of the Household, Springer, vol. 8(4), pages 527-549, December.
  7. Li Chuan-Zhong & Mattsson Leif, 1995. "Discrete Choice under Preference Uncertainty: An Improved Structural Model for Contingent Valuation," Journal of Environmental Economics and Management, Elsevier, vol. 28(2), pages 256-269, March.
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