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Crowdfunding vs. Taxes: Does the payment vehicle influence WTP for Ecosystem Services protection?
Publication . Cunha-e-Sá, Maria A.; Dietrich, Til; Faria, Ana; Nunes, Luis Catela; Ortigão, Margarida; Rosa, Renato; Vieira Da Silva, Carina
The effect of the payment vehicle (PV) on economic valuation estimates has been addressed since the early
literature on stated preferences studies. Particularly, some studies have focused on willingness to pay (WTP)
sensitivity to mandatory/collective vs. voluntary/individual PVs, by comparing tax increases or redistribution
based on specific taxes with donation-like contributions. These two payment schemes may induce different types
of strategic behavior and eventually free riding by the economic agents involved. We conducted a choice
experiment through a face-to-face survey held in 2020 for a representative sample of the Portuguese population.
We investigate the national population’s WTP to invest in oil spills’ prevention along the coastline of mainland
Portugal to ensure the provision of four marine and coastal ecosystem services (MCES): (1) biodiversity
conservation, (2) beach use, (3) coastal protection and (4) surf. We used a split-sample design to test for
differences between the two PVs considered, a mandatory income tax and a voluntary contribution collected
through a crowdfunding campaign. We estimate a mixed logit model (MXL) in WTP-space. Furthermore, we
control for several sociodemographic characteristics to capture the influence of respondents’ heterogeneity on the
elicited WTP, and to check the robustness of our results. We find that mean WTP estimates are positive and
significant for all ES except for surf. Biodiversity conservation has the highest WTP estimate. The results obtained
suggest that the lack of trust in institutions, fairness concerns and disbelief in policy consequentiality seem to be
intrinsic to the Portuguese population, influencing WTP regardless of the PV. However, when comparing an extra
income tax with a crowdfunding campaign, respondents have a lower preference for the status quo in this latter
case. Therefore, our results highlight the importance of better understanding the role that the payment vehicle may
play in funding ecosystem services’ conservation. This is important since how populations respond to incentives
for sustainability purposes is crucial to ensure that the targets are met in a more efficient (or cost-effective) and
equitable way.
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Fundação para a Ciência e a Tecnologia
Programa de financiamento
3599-PPCDT
Número da atribuição
MarNoruega/0002/2016