Research Reports

Research reports are final reports from projects of broad interest. Peer reviewed and edited.

Amid growing concerns related to excessive use of irrigation water and overuse of chemical fertilizers in coffee production in Vietnam, this study evaluates both economic and environmental performance of coffee farmers using a panel data set of 829 farms over three crop years: 2012/13, 2013/14, and 2014/15. Specifically, it looked…
This research examined ways by which households obtain safe drinking water to explore the possibility of using point-of-use water filters to address water quality concerns. A random sample of 1,050 households in Metro Cebu, Philippines; Jingzhou, China; and Phnom Penh, Cambodia were surveyed. Results demonstrate the role of perceptions in…
This research evaluated small-scale farmers’ knowledge, perceptions of pesticide risks, and practices with regard to pesticide use to identify the determinants of their behavior. A choice experiment approach was also applied to investigate farmers’ valuations of health risk changes associated with pesticide use. A total of 630 farmers from seven…
This research analyzed the recreational value of Si Phan Don elicited from foreign visitors using TCM. It also assessed stakeholders’ perception of water quality and tourism in the study area and applied trade-off analysis in the case of tourism and environmental quality. A total of 271 foreign tourists from 34…
This research was motivated by the weak enforcement of the conditions of the policy on contracting mangrove forest management out to households. Under this policy, households are assigned stewardship of mangrove forests and are allowed to convert part of the forest into other uses, mostly shrimp farming. Because of weak…
This research tested for possible differences between WTA and WTP estimates of VSL, for changes in both risks of cancer and transportation deaths. A total of 1,100 respondents residing in Can Tho City were randomly surveyed. The results show that WTA-based VSL estimates are about five to six times larger…
This research empirically investigated the protection service provided by mangroves after super typhoon “Haiyan” devastated central Philippines in November 2013. Using data on 384 coastal villages controlling for historical mangrove cover and other confounding village level characteristics in examining the influence of remaining mangrove vegetation on human deaths and housing…
This study conducted a crop-choice game to understand farmers’ farming decisions on arable land use and to analyze the kind of institutions (i.e., sanctioning versus leading-by-example) that might be effective to solve the externality problems emanating from rice-field conversion into oil palm plantations. The game also aimed to determine the…
This study is an attempt to systematically study the intra-household implications and issues of climate-related shocks or hazards. We look at how the internal dynamics of decision making within the household and the joint adaptive action of household members (particularly the husband and wife) affect outcomes/risks for different groups and…
This study is motivated by the increasing call for more gender-equitable participation and decision making in climate change adaptation. The study, therefore, revolves around the research question: Does equity in adaptation decision making and involvement between the husband and wife increase the welfare and resilience of the household? Overall, the…
There is an acknowledged and documented differentiated impact of climate hazards among individual members of the household. The idea that one member may be a dominant decision maker and that increased household resiliency can be achieved if there is equitable decision making, especially between husband and wife, has never been…
This study described the implications and issues of coastal hazards on the internal dynamics of decision making within the household. Flooding and typhoon were recognized as the common hazards in the communities. Adaptation strategies within households of male and female decision makers were also identified during the survey. Community plans…
This study applied the InVEST (Integrated Valuation of Ecosystem Services and Trade-offs) tool to analyze the importance of ecosystem services and habitat quality in Pu Mat National Park, Vietnam and to assess the risks and trade-offs that may occur due to current and future development planning in the area. Based…
This study focuses on how the disparity between willingness to pay (WTP) and willingness to accept (WTA) values affect VSL and the important of choice of measure. We used the survey-based choice experiment method, which was conducted in Laos and Thailand, to clarify the disparity between WTP and WTA measures…
This research addresses the issue of common pool resources (CPR) overuse from the perspective of forest resource management in Thailand. The research focuses on two main aspects: (1) to understand the impact on extraction behavior of the stringency level of the regulation and (2) to understand the effect of regulatory…
This study was conducted to assess the development, current status, and potential of mariculture parks after 15 years of the Mariculture Park Program of the Philippines. The Mariculture Park Program is beset by a threefold concern of low uptake, low participation of fishers, and low diversity of species being farmed.…
This study identified the impacts of climate change on the rural households of Ben Tre province, and subsequently conducted an economic analysis of the planned climate change adaptation (CCA) strategies of the community. Three focus group discussions were conducted in the study in order to identify the vulnerable sectors and…
This research estimated farmers’ willingness to pay (WTP) for insurance against flood hazards using a choice experiment with special attention given to attribute non-attendance and the effects coding method. In addition, the research identified some challenges and opportunities to provide policymakers with new insights into the design of a flood…
This study assessed how mariculture production provides jobs to local community members. Income generated by local government units (LGUs) from mariculture was also estimated. Community members’ account of their fishing, gleaning, and coastal resources-based leisure activities before and after mariculture establishment was also analyzed. Results show that 24% of the…
This study conducted an empirical investigation of the factors that influence residential demand for electricity. The roles of weather and household income were examined. We estimated an econometric model using a data set of households from 65 cities in five Chinese provinces annually from 1992 to 2009. As daily mean…
This study assessed the profitability of mariculture operation in seven mariculture areas in the Philippines using data from key informant interviews, focus group discussions, and reports and records review conducted from January to August 2015. Profit levels and profitability indicators varied by mariculture technology, scale, and location. Mariculture production systems…
This study evaluates the impacts of coral reef conservation and marine protected areas (MPAs) on the well-being of fishing communities in Central Vietnam. The Cu Lao Cham MPA is chosen as the case study. Coral reef health and four aspects of socioeconomic conditions (i.e., catch rate [also related to food…
This study aims to assess households’ choices regarding safe drinking water and water treatment technology in the context of arsenic (As) contamination in the Vietnamese Mekong Delta. Based on the Protection Motivation Theory, a predictive model of As-poison-related health protective behavior was designed via a cognitive mediating process with threat…
This research project identified and assessed the climate change impacts (i.e., sea level rise), and conducted a cost-effectiveness analysis (CEA) of the climate change adaptation (CCA) strategies of two coastal villages, namely, Babuyan and Binduyan located in Honda Bay, Palawan, Philippines.The results of the CEA in Babuyan showed that mangrove…
This study assessed households’ perception of arsenic-contaminated water and the determinants of households’ decision to connect to the piped water network in arsenic contaminated areas of the Red River Delta. The assessment was based on a field survey of 443 households in Ha Nam province. The report also discusses policy…
This research identified the impacts of climate change, assessed the vulnerability of the residents of the chosen coastal sites, and analyzed the economic values of their adaptation strategies. A total of 300 respondents were interviewed in San Juan, Batangas, Philippines. The CEA showed that among the planned adaptation options, mangrove…
This study empirically examined the effect of the Chinese government’s priority grassland program (i.e., household grazing control and grassland protection subsidy policy) on grassland intensity, livestock number, and household income in Inner Mongolia, China. Based on household survey data obtained from 262 households across four prefectures in Inner Mongolia, it…
This study examines how tourism affects biodiversity conservation and the well-being of local communities in Nha Trang Bay marine protected area in Viet Nam. Data was collected from 140 households, various industries, and government bodies. Secondary data were also used. The findings show that tourism is a mixed blessing. The…
Climate change and carbon emission reductions are growing concerns all over the world. It is suggested that mitigating climate change by enhancing forest carbon sequestration (FCS) may be a relatively low-cost option and would likely yield other environmental benefits. In the last few years, China has become the country with…
This study investigates the effects of others’ time preferences on the subjects’ decisions for a group. A lab-in-the-field experiment with Thai coastal villagers was conducted to elicit time preferences. First, the participants decide for themselves and results show that on average, their choices show a present bias. The participants then…
This study aimed to design a desirable payment for environmental services (PES) program to be implemented in Eastern Thailand. Landowners’ preferences on program factors were both identified and quantified using a choice experiment. The results showed that all hypothetical programs attributes were statistically significant to landowners’ participation decisions, except free-to-choose…
This study aims to estimate the external costs of silicon production so as to provide information for making policies on the sustainable exploitation of solar energy. In particular, the study first theoretically analyzed the impact of industrial pollution on crop production by integrating a damage function with the stochastic frontier…
This research was conducted to evaluate the economic merits of investing in an electricity-run automated guideway transit system (AGT) within the Baguio Central Business District (CBD) in order to reduce air pollution. The proposed AGT will replace the diesel-powered public utility jeepneys that ply the CBD route. The benefits of…
This study determined the health costs that air pollution imposes on the constituents of Baguio City. It used the cost of illness (COI) approach to value the economic burden that households bear for having a household member falling ill or dying due to an air pollution-related disease. The results indicated…
This study tested the significance of the following factors in promoting participation in waste bank activity: (1) trust in a community member, (2) the leadership of a waste bank administrator, and (3) economic incentives. Estimation results showed that the willingness of households to join a waste bank depends on their…
This research estimated the benefits of an improved storm early warning service. Choice Modelling (CM) surveys with 1,014 respondents were designed and conducted. The results showed that a Vietnamese household would be willing to pay 0.024% of their household income for the improvement of storm early warning service. The maximum…
This study applied a cost-benefit analysis (CBA) to quantify the economic benefits of long-term, safety-related measures put in place for housing. The results of the CBA show that the possible returns on investment in storm-resilient housing would be positive and high, which implies that investing in storm‑resilient houses can be…
This report presents an economic analysis of the different uses and the indirect use value of mangroves in terms of their support as nurseries and breeding grounds for commercially important finfish in Koh Kong, Kep, Kampot, and Preah Sihanouk, which are four coastal provinces in Cambodia. A total of 300…
This research investigated (1) the change in Cambodian’s preference for self‑protection against natural disasters, (2) how groups can influence communities toward self‑protection, (3) the collective community investments to reduce the expected losses associated with natural disasters, and (4) the existing social institutions in Cambodian communities that improved their voluntary contribution to the protection against…
This study investigated the impacts of the 2013 haze on the people and economy of Peninsular Malaysia. The economic cost of the June 2013 haze was estimated to be MYR 1.49 billion (0.48% of the GDP); total cost of illnesses due to haze effects was MYR 78.03 per household (MYR…
This study documented and analyzed the experiences of households and their individual members during two extreme weather events in the Philippines in 2013. The first weather event took the form of heavy monsoon rain (local name: Habagat) and the subsequent widespread flooding in August 2013; this event affected households in…
This study used the experimental method to elicit abstract risk attitudes on and preferences for uncertainties based on the context of flooding in the Mekong Delta, Vietnam. In contrast to the common assumption that farmers are risk averse, our results showed that farmers are, on the average, risk neutral. Moreover,…
This study accessed the impact of government aid on farmers’ adaptation to climate change in Nam Phong River Basin, Thailand. This area is prone to flooding between September and October. After the floods, the government generally provides financial compensation to affected farmers of about 70%– 80% of the cropping costs.…
This cross-country study examined how park managers and decision makers in Southeast Asia responded in the face of pressures on PAs, and assessed the level of resource gaps based on a number of indicators. A sample of 402 PAs from Cambodia, China, Indonesia, Lao PDR, Malaysia, Philippines, Thailand, and Vietnam…
It is often conjectured that conservation policies for state-owned forests not only influence the state employees managing these forests, but the indigenous residents living in state forest regions as well. This research explored this conjecture by conducting a case study of the Natural Forest Protection Programme (NFPP) in China. A…
This study estimated the health impact value of the VietGAP program on the health of farmers in Thua Thien Hue province. By employing the propensity score matching (PSM) method, findings show that the VietGAP program has a significant impact on farmers’ health. In particular, the program reduces farmers’ health problems…
This study used the field experiment approach to assess how effective information and feedback provision about electricity consumption is to influence households to conserve energy. This approach relied on statistical methods to establish whether households in the treatment groups were able to reduce their electricity consumption with respect to the…
In recent years, the deterioration of the environment has become a top concern in China; it will remain central to the public debate as urban areas continue to expand and household incomes grow steadily. This paper investigates the factors that influence and shape the satisfaction of urban residents with the…
Many recent experimental and field studies have provided strong evidence that people often value losses more substantially than gains. In addition, people also seem to value the changes in both gain and loss domains not as final states (as assumed in standard theory), but in terms of changes from their…
This study presents a cost-benefit analysis of the adoption of sustainability standards by small oil palm farmers in Jambi, Sumatra, Indonesia. A panel data set of 185 oil palm smallholders in the district of Merangin, Jambi was used to distinguish the adopters from the non-adopters. The author identified the per-hectare…
Economy and Environment Program for Southeast Asia