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Publications (35)
Mandatory vaccination for COVID‐19 has received intense political and ethical debates, while the literature on the causal effects of vaccination mandates on vaccination outcomes is very limited. In this study, we examine the effects of the announcement of vaccine mandates (VMs) for workers working in three sectors, including health, education, and...
We provide an in-depth analysis of tourists’ and residents’ preferences for different coastal erosion management programs in Hoi An, a UNESCO World Heritage Site in Vietnam. Using a split-sample choice experiment, we assess how preferences of respondents vary across beach segments affected by coastal erosion in different ways. The choice experiment...
Purpose
The COVID-19 pandemic has wrought havoc on economies around the world. The purpose of this study is to learn about the distributional impacts of the pandemic.
Design/methodology/approach
The authors contribute new theoretical and empirical evidence on the distributional impacts of the pandemic on different income groups in a multicountry s...
Literature shows that tourists can make significant financial contributions towards efforts of erosion prevention, but very few studies are done in the context of developing countries, especially to protect World Heritage sites. This paper provides the first estimates of willingness to pay (WTP) for differing coastal erosion measures by domestic an...
This paper adopts a two-stage stochastic frontier analysis framework to analyse the roles of foreign and domestic capital in the aggregate production of gross domestic product (GDP) and CO2-equivalent emissions across 36 OECD countries from 1990 to 2014. The first stage estimates a quadratic output directional distance function to derive the margin...
This paper investigates the extent to which individual migration decisions in Vietnam can be driven by climate change, based on the historical rainfall data from 70 weather stations in Vietnam and the Vietnam Access to Resources Household Survey. Utilizing the exogenous variation in the rainfall deviation from the local norms within an individual f...
This paper studies continuing optimal lockdowns (can also be interpreted as quarantines or self-isolation) in the long run if a disease (Covid-19) is endemic and immunity can fail, that is, the disease has SIRS dynamics. We model how disease related mortality affects the optimal choices in a dynamic general equilibrium neoclassical growth framework...
This article studies how wealth and health inequalities have interacted with the Covid-19 epidemic in a way that has reinforced inequalities in income, savings, epidemic risk and even individual preventive behaviors. We present in more detail two articles and their theoretical and empirical results. Recovery and contamination rates are functions of...
Purpose
The paper investigates the production inefficiency of US electricity industry in the wake of restructuring and emission reduction regulations.
Design/methodology/approach
The study estimates a multiple-input, multiple-output directional distance function, using six inputs: fuel, labor, capital and annualized capital costs of sulfur dioxide...
Chapter 5 analyses the sensitivity of Viet Nam’s energy system — including both demand and supply sides — to weather conditions, projects the potential impact of climate change and proposes adaptation strategies. Key results confirm the significant effect of fluctuations in weather factors such as precipitation and temperature on residential, comme...
Preliminary evidence indicates that pollution increases the severity and likelihood of COVID-19 infections similar to many other infectious diseases. This paper models the interaction of pollution and disease preventive actions, either pharmaceutical or non-pharmaceutical interventions, on transmission of infectious diseases in a neoclassical growt...
The paper presents one of the first economic analyses of residents’ choice of different coastal erosion control measures in a developing country - Vietnam. Hoi An, a UNESCO World Heritage Site, was selected given the frequency of coastal erosion events which have caused increasing damages to property, tourism activities and the livelihood of local...
This article investigates the impact of flood risk on vulnerability and welfare at the household level in Vietnam. The analytical sample is taken from a household survey conducted in a north central Vietnam community through a three-stage stratified random sampling method. The propensity score matching approach is employed to compare various welfar...
This paper studies an optimal growth model where there is an infectious disease with SIR dynamics which can lead to mortality. Health expenditures (alternatively intensity of lockdowns) can be made to reduce infectivity of the disease. We study implications of two different ways to model the disease related mortality – early and late in infection m...
We prove the existence of competitive equilibrium in the canonical optimal growth model with elastic labor supply under general conditions. In this model, strong conditions to rule out corner solutions are often not well justified. We show using a separation argument that there exist Lagrange multipliers that can be viewed as a system of competitiv...
Thủy sản là một ngành kinh tế quan trọng của Việt Nam và chiếm 3,07% GDP toàn quốc, tuy nhiên, chịu ảnh hưởng trực tiếp từ thời tiết và thiên tai. Sử dụng dữ liệu bảng của 28 tỉnh ven biển từ năm 2002-2018, bài báo đánh giá tác động của biến đổi khí hậu (BĐKH) bao gồm thiên tai và thời tiết lên sản lượng đánh bắt cá của Việt Nam. Bài báo chỉ ra lượ...
To provide policy implication for improving household welfare, one should understand which characteristics of households in a specific location they live, enable them to raise their welfare levels. This paper uses micro-econometric models for investigating the determinants of household welfare in the Central Highland, Vietnam using the recent data...
Facing the challenge of environmental degradation in Vietnam, a growing number of firms have begun to integrate environmental management systems into their business strategies and develop green product diversification strategies. On the basis of the stakeholder theory, this paper attempts to explore the influences of stakeholders on the implementat...
The objective of this study is to assess sustainable development and the potential for green growth of the marine capture fisheries in Vietnam. We use “standard” bio-economic models with additional terms to correct some of ecosystem externalities and to define reference points for the fisheries. The results show that Vietnam’s marine capture fisher...
Vietnam is one of the countries most affected by floods. Despite high exposure to this risk and repeated calls from international organizations, the penetration rate of flood insurance remains surprisingly low in Vietnam. We investigate if there is a demand for flood insurance by Vietnamese households using a choice experiment. We compute household...
A choice experiment is used to estimate how Vietnamese households value a flood risk reduction. The empirical analysis is conducted on a sample of households located in the Nghe An Province, one of the provinces which is the most affected by floods in Vietnam. The results reveal that there is a high level of heterogeneity in preferences across hous...
This paper considers an optimal endogenous growth model where the production function is assumed to exhibit increasing returns to scale and two types of resource (renewable and nonrenewable) are imperfect substitutes. Natural resources, labor, and physical capital are used in the final goods sector and in the accumulation of knowledge. Based on res...
We consider a model with an infinite number of states of nature, von Neumann-Morgenstern utilities, where agents have different probability beliefs and where short sells are allowed. We show that no-arbitrage conditions, defined for finite dimensional asset markets models, are not sufficient to ensure existence of equilibrium in presence of an infi...
We show that the interaction between political turnover and corruption significantly affects the inter-temporal optimization problems of governments by inducing a “corruption-temptation tax” in the Euler condition. Governments treat corruption in the same way that rational consumers treat a temptation good (Banerjee and Mullainathan, 2010).
We empirically investigate the determinants of household flood protective strategies and risk perception using data from a household-level survey conducted in spring 2012 in Vietnam. Our empirical analysis shows that some flood protective behaviours of Vietnamese households are driven by the perception of flood risks, a result consistent with the P...
This book provides extensions to mathematical techniques of nonlinear optimization theory, as applies these techniques to provide self-contained treatments for various versions of the benchmark model of optimal economic growth. These models and solving methods are normally based on the traditional concepts and assumptions of nonlinear optimization,...