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Author: search.filters.author.Mauricio Leiva

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    Water Security and Multi-Sector Trade-Offs Under Climate Change: A Hydro-Economic Model for the Biobío River Basin, Chile
    (World Scientific Pub Co Pte Ltd, 2025-03-29)
    Francisco Fernández Jorquera
    ;
    Esteban Arias Montevechio
    ;
    María Victoria Ferrera Cordero
    ;
    Mauricio Leiva
    ;
    Pablo S. González
    Water availability has been declining in recent years due to climate change. These decreases, in conjunction with rising temperatures and environmental changes, affect the behavior of various stakeholders, increasing the competition among water-consuming sectors to obtain this limited resource. In this study, we perform a hydro-economic model to analyze how the agricultural and residential sectors adapt to diverse climatic, social and regulation changes, using the Biobío basin in southern Chile as the case study. The model quantifies their economic welfare derived from using water as an input for their cropping activities and direct consumption, respectively, while maintaining environmental flows, rural drinking water, and supporting tourism activities. Furthermore, we assess the economic effects of increasing water security for the environment and tourism sectors. Results show that climate change and water security policies will have heterogeneous effects on water-consuming agents across different basin levels — higher-, medium-, and lower-basin levels — with the greatest effects being addressed by the higher-level basin. This heterogeneity is observed not only within the basin levels but also across economic sectors, being the agricultural sector significantly more affected by these policies than the residential sector. We conclude our analysis by suggesting that policymakers should tailor compensation measures to the most affected communities. </jats:p>
    Scopus© Citations 1  6
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    Price Elasticity of the Residential Water Demand in Latin America: Empirical Analysis for Chile, Colombia, and Peru
    (World Scientific Pub Co Pte Ltd, 2025-05-16)
    Alejandra Chovar Vera
    ;
    VÁSQUEZ LAVÍN , FELIPE ANTONIO  
    ;
    Iván Lucich
    ;
    Jackeline Lucero
    ;
    Sergio Orrego
    The Latin American region lacks information on residential water demand and its price elasticity, in contrast to the extensive literature available in developed countries. To address this gap, we estimate residential water demand and its price elasticity in Chile, Colombia, and Peru using a discrete-continuous choice (DCC) model that accommodates nonlinear increasing block tariff (IBT) structures. We utilize household-level datasets for Peru and Colombia and a large administrative panel in Chile. Our findings reveal that the price elasticity of water demand varies significantly across countries. Chile exhibits moderately inelastic demand ([Formula: see text] overall, [Formula: see text] during summer months), while Colombia lies in a mid-range ([Formula: see text]), and Peru shows greater price responsiveness ([Formula: see text]). Furthermore, we find variations within each country when we analyze different levels of observed consumption by households. Additionally, household characteristics such as size and income are important drivers for understanding consumption patterns. Our research highlights the need for tailored policies that account for local consumption behaviors and socio-economic factors to improve the effectiveness of block tariff systems, given that IBT holds relevance from a policy perspective. These findings contribute to the literature on water pricing in Latin America and provide evidence-based insights for policymakers.
      39
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    Marine resource projects for rural economic development policies in Chile: marine user rights and disruption costs
    (Cambridge University Press (CUP), 2025-03-27)
    Heidi J. Albers
    ;
    Carlos Chávez
    ;
    Jorge Dresdner
    ;
    Mauricio Leiva
    Governments offer resource user rights, such as individual and collective agricultural land rights, fishing quotas, and territorial user rights in marine activities, to induce economic development and efficient resource use. Yet, user rights and improved incomes do not always lead to project uptake, as in rural-rural migration. Marine user rights may differ from land tenure rights, especially when rights are individual or collective. We explore household survey data from Chile about participation in projects linking marine resource activities with user rights across payoff levels and commute/relocation ‘disruption’ costs. Households are more likely to participate in projects with low disruption costs and high incomes, yet many households reject lucrative projects. The household's existing user rights and the project's activity–rights pairs affect project participation levels, with differences across collective and individually-held rights. These results inform policy aimed at increasing incomes and resource use efficiency through marine resource projects with user rights.
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      9
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    Applying and assessing the aquaculture performance indicators (APIs): Evidence from three aquaculture production systems in Chile
    (Informa UK Limited, 2025-01-27)
    Carlos Chávez
    ;
    Jorge Dresdner
    ;
    Nuria González
    ;
    Mauricio Leiva
    Scopus© Citations 1  1
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      3Scopus© Citations 17
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      2Scopus© Citations 36