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Articles 1 - 30 of 170
Full-Text Articles in Behavioral Economics
Financial Valuation Of Retirement Village Via Stochastic Modelling Of Disability Prevalence Rates, Jackie Li, Mingke Wang, Jia Liu, Jessica Wai Yin Leung
Financial Valuation Of Retirement Village Via Stochastic Modelling Of Disability Prevalence Rates, Jackie Li, Mingke Wang, Jia Liu, Jessica Wai Yin Leung
Research Collection School Of Economics
Global mortality rates continue to decline, and life expectancy continues its upward trend. Besides mortality levels, policymakers and providers of financial and health services would also be interested in disability prevalence and its potential future trajectories. The length of time in good health versus the duration with major disabilities or long-term illnesses has significant financial implications for both individuals and society. In this paper, we develop Bayesian common factor models to analyse Australian age- and sex-specific disability prevalence rates. In particular, there are one or more common factors shared by both sexes, as well as specific factors for each sex. …
Shrinkflation And Consumer Demand, Aljoscha Janssen, Johannes Kasinger
Shrinkflation And Consumer Demand, Aljoscha Janssen, Johannes Kasinger
Research Collection School Of Economics
This study investigates shrinkflation—the practice of reducing product size while maintaining or slightly changing prices—in the U.S. retail grocery market. We analyze a decade of retail scanner data to assess the prevalence and patterns of product size changes across various product categories. Our findings show that approximately 1.92% of products have been downsized. When comparing total sales, product downsizing is more than five times as prevalent as upsizing. Product downsizing typically occurs without a corresponding decrease in price and is widespread across product categories. Consequently, consumers end up paying more per unit volume. We further find that consumers are more …
Is Subjective Well-Being Insured Against Income Shocks? Evidence From 20-Year Panel Data In South Korea, Jiyeon An, Taehyun Ahn, Kim
Is Subjective Well-Being Insured Against Income Shocks? Evidence From 20-Year Panel Data In South Korea, Jiyeon An, Taehyun Ahn, Kim
Research Collection School Of Economics
Using 20 years of nationally representative panel data in South Korea, we estimate how life satisfaction responds to income shocks. We document that unexpected income changes significantly impact an individual's life satisfaction, and the magnitudes depend on the persistence of income shocks. We find that permanent income shocks substantially penetrate life satisfaction, while transitory income shocks have minimal impact. We also find that life satisfaction regarding external factors such as family income and leisure activities is more sensitive to income shocks than life satisfaction related to social relationships. Our findings imply that it is critical for the government to address …
On Strategy-Proofness And The Salience Of Single-Peakedness In A Private Goods Allotment Problem, Shurojit Chatterji, Jordi Masso, Shigehiro Serizawa
On Strategy-Proofness And The Salience Of Single-Peakedness In A Private Goods Allotment Problem, Shurojit Chatterji, Jordi Masso, Shigehiro Serizawa
Research Collection School Of Economics
We consider strategy-proof rules operating on a rich domain of preference profiles in a set up where multiple private goods have to be assigned to a set of agents with entitlements and where preferences display satiation. We show that if the rule is in addition tops-only, same-sided and individually rational with respect to the entitlements, then the preferences in the domain have to satisfy a variant of single-peakedness (referred to as multi-dimensional single-peakedness relative to the entitlements). We also provide a converse of this main finding. It turns out that this domain coincides with the one already identified in a …
Consumption Responses To Income Shocks Through Lottery Winning, Seonghoon Kim, Kanghyock Koh
Consumption Responses To Income Shocks Through Lottery Winning, Seonghoon Kim, Kanghyock Koh
Research Collection School Of Economics
We study the effects of lottery winning on consumption spending using newly available household survey data in Singapore. We find strong consumption responses to a transitory income shock via lottery wins. Lottery winners spend about half of their prizes within 12 months of winning. We show that consumption responses are stronger among households with more binding liquidity constraints and less risk aversion, which is consistent with the standard life-cycle model. The strong consumption response suggests that fiscal stimulus policies or other public transfer programs could be an effective means of boosting consumption spending of the economy in the short run.
Is Subjective Well-Being Insured Against Income Shocks? Evidence From 20-Year Panel Data In South Korea, Jiyeon Ahn, Taehyun Ahn, Kim
Is Subjective Well-Being Insured Against Income Shocks? Evidence From 20-Year Panel Data In South Korea, Jiyeon Ahn, Taehyun Ahn, Kim
Research Collection School Of Economics
Using 20 years of nationally representative panel data in South Korea, we estimate how life satisfaction responds to income shocks. We document that unexpected income changes significantly impact an individual's life satisfaction, and the magnitudes depend on the persistence of income shocks. We find that permanent income shocks substantially penetrate life satisfaction, while transitory income shocks have minimal impact. We also find that life satisfaction regarding external factors such as family income and leisure activities is more sensitive to income shocks than life satisfaction related to social relationships. Our findings imply that it is critical for the government to address …
Evaluation Of Unplanned Reattendances To The Pediatric Emergency Department: A Five-Year Study, Liying Toh, Jin Wee Lee, Siok Hoon Ang, Sashikumar Ganapathy, Janani D/O Nadarajan, Shu-Ling Chong
Evaluation Of Unplanned Reattendances To The Pediatric Emergency Department: A Five-Year Study, Liying Toh, Jin Wee Lee, Siok Hoon Ang, Sashikumar Ganapathy, Janani D/O Nadarajan, Shu-Ling Chong
Research Collection School Of Economics
Background: Unplanned reattendances (UR) are an important quality indicator in the emergency department (ED). Understanding the risk factors associated with UR can aid clinicians in optimizing the allocation of time and resources, as well as targeted counselling for this specific group of patients. In this study, we aimed to compare patient characteristics between children who attended a pediatric emergency department (ED) with unplanned reattendances (UR) and those without UR. We also aimed to study the association between healthcare delivery factors such as timing of the attendance, patient load, changeover months for rotating junior doctors, presence of supervision, and rate of …
Diverse Pathways To Permanent Childlessness In Singapore: A Latent Class Analysis, Yanwen Wang, Bussarawan Teerawichitchainan, Christine Ho
Diverse Pathways To Permanent Childlessness In Singapore: A Latent Class Analysis, Yanwen Wang, Bussarawan Teerawichitchainan, Christine Ho
Research Collection School Of Economics
The proportions of adults reaching midlife without having children have been rising rapidly across the globe, particularly in Asia. However, little is known about the pathways to permanent childlessness within the region’s childless population. This study utilized latent class analysis (LCA) to typologize pathways to childlessness based on dynamic characteristics of multiple life domains (i.e., partnership, education, and occupation) among 489 childless Singaporeans aged 50 and above from a 2022 nationwide survey. Additionally, we utilized multinomial logistic regressions to examine the sociodemographic correlates of pathway profiles and Shannon’s entropy index to assess the heterogeneity in pathways to childlessness among successive …
Childlessness, Social Network Profiles In Midlife And Late Adulthood, And Their Implications For Subjective Well-Being, Bussarawan Teerawichitchainan, Dahye Kim, Christine Ho
Childlessness, Social Network Profiles In Midlife And Late Adulthood, And Their Implications For Subjective Well-Being, Bussarawan Teerawichitchainan, Dahye Kim, Christine Ho
Research Collection School Of Economics
Objectives: Despite the rising prevalence of individuals reaching advanced age without children, little is known about the diversity of support networks within childless populations. We examine the network profiles of childless adults aged 50+ in Singapore, which observes high childlessness rates despite societal emphasis on familism. Methods: We employ latent class analysis to derive network typology based on a 2022 nationwide survey in Singapore. Additionally, we use logistic regression analyses to investigate the sociodemographic correlates of childless individuals' network types and the associations between these network types and subjective well-being. Results: Childless Singaporeans form a heterogeneous group characterized by different …
Allocating Vehicle Registration Permits, Massimiliano Landi, Domenico Menicucci
Allocating Vehicle Registration Permits, Massimiliano Landi, Domenico Menicucci
Research Collection School Of Economics
We compare social welfare, consumer surplus and profits in two different institutional settings in which an item whose quantity is fixed and controlled (vehicle registration permit) is allocated to the buyers of a complementary good (car). In the first setting, which resembles the way in which vehicle registration permits are allocated in Singapore, the central planner runs a uniform price auction for permits in which the consumers who bid the highest receive the permits and pay the highest losing bid. Then each winning consumer purchases a car from a seller. In the alternative setting, the central planner first allocates the …
Housing Markets Since Shapley And Scarf, Mustafa Oguz Afacan, Gaoji Hu, Jiangtao Li
Housing Markets Since Shapley And Scarf, Mustafa Oguz Afacan, Gaoji Hu, Jiangtao Li
Research Collection School Of Economics
Shapley and Scarf (1974) appeared in the first issue of the Journal of Mathematical Economics, and is one of the journal’s most impactful publications. As we approach the remarkable milestone of the journal’s 50th anniversary (1974–2024), this article serves as a commemorative exploration of Shapley and Scarf (1974) and the extensive body of literature that follows it.
Life Satisfaction Changes And Adaptation In The Covid-19 Pandemic: Evidence From Singapore, Terence C. Cheng, Seonghoon Kim, Kanghyock Koh
Life Satisfaction Changes And Adaptation In The Covid-19 Pandemic: Evidence From Singapore, Terence C. Cheng, Seonghoon Kim, Kanghyock Koh
Research Collection School Of Economics
We provide novel evidence on how COVID-19 affected overall life satisfaction using a monthly longitudinal survey of middle-aged and older Singaporeans. We study how the subjective well-being of individuals evolves over the course of 18 months including the outbreak of the pandemic, the implementation of the lockdown and the spike of cases due to the delta variant in a country where COVID-19 is controlled in a sustained manner. Using an event-study design framework, we find large declines in overall life satisfaction in the lead-up to and following the lockdown. Fifteen months after the outbreak of the pandemic, and 13 months …
Statistical Discrimination And Duration Dependence In A Semistructural Model, Ismail Baydur, Jianhuan Xu
Statistical Discrimination And Duration Dependence In A Semistructural Model, Ismail Baydur, Jianhuan Xu
Research Collection School Of Economics
This article develops a job-search model with unobserved worker heterogeneity and learning about worker types from unemployment duration. The model features negative duration dependence that stems from unobserved heterogeneity, skill depreciation, and statistical discrimination. We estimate job-finding rates implied by our model using microlevel data from the Current Population Survey. We find that removing interview costs counterfactually, thereby eliminating statistical discrimination, substantially increases the job-finding rates of the long-term unemployed. The performance of low-skill workers at the interview stage with discriminating firms plays a key role in explaining our counterfactual result.
How Tiktok “Locks In” Its Users With Reference To What Happened In The Homeland Version Douyin Application, Yang Yang, Li Zi'ang, Zhigen Zhao, Sabrina (Zi Tong) Peng, Liyu Dou, Changyu Li, Yinqi Wang
How Tiktok “Locks In” Its Users With Reference To What Happened In The Homeland Version Douyin Application, Yang Yang, Li Zi'ang, Zhigen Zhao, Sabrina (Zi Tong) Peng, Liyu Dou, Changyu Li, Yinqi Wang
Research Collection School Of Economics
In October 2022, Douyin, the homeland version of TikTok, introduced a new rule requiring all its users to promote only Douyin-approved products during their live-streaming events and in their non-live short-videos. This requirement essentially restricts its users to monetize their content strictly through Douyin-approved products, as promoting products has become the most important source of income for Douyin users. This requirement essentially creates a lock-in effect.
Tackling Misperceptions About Immigrants With Fact-Checking Interventions: A Randomized Survey Experiment, Syngjoo Choi, Chung-Yoon Choi, Kim
Tackling Misperceptions About Immigrants With Fact-Checking Interventions: A Randomized Survey Experiment, Syngjoo Choi, Chung-Yoon Choi, Kim
Research Collection School Of Economics
We conduct a randomized online survey experiment to study the impact of fact-checking offers and financial incentives on misperceptions about immigrants. We find that natives overestimate the number of immigrants and the social and economic costs of immigration. Offering a free check of the factual information about immigrants reduces these misperceptions; it becomes more effective when combined with financial incentives. However, more than half of the participants never took up offers to check factual information. Using a model of information search with limited attention, we identify the presence of non-negligible costs of information search and processing, which limits the effectiveness …
Does Fertility Matter For Middle Aged And Older Adults’ Risk Attitudes?, Christine Ho, Bussarawan Teerawichitchainan, Joanne Tan, Eugene Rui Le Tan
Does Fertility Matter For Middle Aged And Older Adults’ Risk Attitudes?, Christine Ho, Bussarawan Teerawichitchainan, Joanne Tan, Eugene Rui Le Tan
Research Collection School Of Economics
Given that risk attitudes influence many decisions, it is important to understand the factors that shape such attitudes in late adulthood, when individuals face important risky decisions. While research finds that parenthood tends to correlate with lower risk tolerance in western countries, there is a lacuna on whether such associations persist in late adulthood, and are applicable to the Asian context, where children are conventionally considered a linchpin of old age support. Data for middle aged and older individuals come from the nationwide Singapore Life Panel (N = 6,740). Multivariate statistical analyses are employed to estimate the associations between willingness …
The Impact Of Upzoning On Housing Construction In Auckland*, Ryan Greenaway-Mcgrevy, Peter C. B. Phillips
The Impact Of Upzoning On Housing Construction In Auckland*, Ryan Greenaway-Mcgrevy, Peter C. B. Phillips
Research Collection School Of Economics
There is a growing debate about whether upzoning is an effective policy response to housing shortages and unaffordable housing. This paper provides empirical evidence to further inform debate by examining the various impacts of recently implemented zoning reforms on housing construction in Auckland, the largest metropolitan area in New Zealand. In 2016, the city upzoned approximately three quarters of its residential land to facilitate construction of more intensive housing. We use a quasi-experimental approach to analyze the short-run impacts of the reform on construction, allowing for potential shifts in construction from non-upzoned to upzoned areas (displacement effects) that would, if …
The Importance Of The First Generic Substitution: Evidence From Sweden, Aljoscha Janssen, David Granlund
The Importance Of The First Generic Substitution: Evidence From Sweden, Aljoscha Janssen, David Granlund
Research Collection School Of Economics
We analyze changes in the willingness to substitute from prescribed pharmaceuticals to more affordable generic equivalents in response to the first experience with a substitution. Using Swedish individual-level data of prescribed and dispensed pharmaceuticals, we em-ploy a dynamic event study and an instrumental variable approach to show that an initial substitution reduces the probability of opposing subsequent substitutions by 39 percent-age points. We recommend that policy-makers target patients with a history of opposed substitution and offer additional discounts to promote substitution as long-term savings outweigh one-time costs.
Teaching In The Right Context: Textbook Supply Program, Language, And Vocabulary Ability In Vietnam, Tomoki Fujii, Maki Nakajima, Sijia Xu
Teaching In The Right Context: Textbook Supply Program, Language, And Vocabulary Ability In Vietnam, Tomoki Fujii, Maki Nakajima, Sijia Xu
Research Collection School Of Economics
An ethnic gap in education is prevalent around the world. This remains the case in Vietnam, a country that has achieved phenomenal economic growth and raised the educational attainment of the public. This paper examines the impact of language policy reorientation represented by the textbook supply program in Vietnam on the ethnic gap in children's learning measured by a vocabulary test. Applying difference-in-differences estimation to the Young Lives data between 2006 and 2015, we show that the program became more effective in narrowing the ethnic gap as the education policy became reoriented toward ethnic minority children. A causal mediation analysis …
Intra-Firm Hierarchies And Gender Gaps, Nicolo Dalvit, Aseem Patel, Joanne Tan
Intra-Firm Hierarchies And Gender Gaps, Nicolo Dalvit, Aseem Patel, Joanne Tan
Research Collection School Of Economics
We study how changes in female representation at the top of a firm’s organisation affect gender-specific outcomes across hierarchies within firms. We start by developing a theoretical model of a hierarchical firm, where gender representation in top organisational layers can affect gender-specific hiring and promotion probabilities at lower layers. We then exploit a recent French reform that imposed gender representation quotas in the boards of directors and test the model’s predictions in the data. Our empirical results show that the reform was successful in reducing gender wage and representation gaps at the upper layers of the firm, but not at …
Strategic Parent Meets Detached Child? Parental Intended Bequest Division And Support From Children, Christine Ho
Strategic Parent Meets Detached Child? Parental Intended Bequest Division And Support From Children, Christine Ho
Research Collection School Of Economics
Whereas the literature has found that elderly parents may use bequests to reward children who provide them with time support, there is limited evidence on whether younger less needy parents may base their intended bequest division on alternative forms of support from children. Using a large-scale dataset of middle-aged and older Singaporeans, I find that parents intend to leave larger bequest shares to coresident children and to children who provide greater material support. Parents also intend to bequeath more to children in whom they confide frequently while they bequeath more to children in whom they rarely confide when the latter …
Start-Up Firms And Corporate Culture: Evidence From Advertised Corporate Culture, Jungho Lee
Start-Up Firms And Corporate Culture: Evidence From Advertised Corporate Culture, Jungho Lee
Research Collection School Of Economics
I document advertised corporate culture among start-up firms from an online job board. Two corporate-culture types emerge, one that concerns the well-being of em- ployees (worker-centered culture) and another that emphasizes other values, such as cus- tomers, firms, and markets (firm-centered culture). The worker-centered culture attracts 20% more applications than the other culture type. Firms advertising the worker-centered culture exploit worker preference by paying 5% lower salaries than measurably similar jobs. Using a standard model of business creation, I show financially constrained start- ups are incentivized to advocate popular culture, even though doing so is not optimal without financial constraints.
Natural Disasters And Domestic Violence?: A Study Of The 2015 Nepal Earthquake, Arpita Khanna, Tomoki Fujii
Natural Disasters And Domestic Violence?: A Study Of The 2015 Nepal Earthquake, Arpita Khanna, Tomoki Fujii
Research Collection School Of Economics
This study estimates the impact of exposure to the 2015 Nepal Earthquake on intimate partner violence with two rounds of Demographic and Health Surveys data. Using differences-in-differences estimation, we find that exposure to the earthquake lead to a statistically and economically significant increase in intimate partner violence in the urban areas but not in the rural areas. This is possibly due to an increase in the stress felt by the earthquake victims. We also offer some evidence that the impact heterogeneity between the urban and rural areas is attributable to the differences in the reconstruction processes and assistance provided.
Assessing Gender Parity In Intrahousehold Allocation Of Educational Resources: Evidence From Bangladesh, Sijia Xu, Abu S. Shonchoy, Tomoki Fujii
Assessing Gender Parity In Intrahousehold Allocation Of Educational Resources: Evidence From Bangladesh, Sijia Xu, Abu S. Shonchoy, Tomoki Fujii
Research Collection School Of Economics
Gender parity in education—an important global development goal—has been primarily measured through school enrollment, and the gender parity in education quality has received limited attention until recently. We address this issue by highlighting the intrahousehold allocation of education expenditure. We extend the hurdle model into a three-part model to enable decomposition of households’ education decisions into enrollment, total education expenditure, and share of the total education expenditure on the core component, or items relating to the quality of education such as private tutoring. We apply this model to four rounds of nationally representative household surveys from Bangladesh, a country that …
Forced Moves And Home Maintenance: The Amplifying Effects Of Mortgage Payment Burden On Underwater Homeowners, John Harding, Li Jing, Stuart Rosenthal, Xirui Zhang
Forced Moves And Home Maintenance: The Amplifying Effects Of Mortgage Payment Burden On Underwater Homeowners, John Harding, Li Jing, Stuart Rosenthal, Xirui Zhang
Research Collection School Of Economics
Although the adverse effect of high loan to value ratios (LTV) on mortgage default is known, the potential amplifying effect of high payment-to-income (PTI) ratios that can force families out of their homes has received limited attention. High PTI and LTV can also add to default costs by discouraging home maintenance. Using the 1985-2013 AHS panel, we show that high PTI prompts families to move and especially so for households with LTV above 120%. This lends support for policies like HAMP and HARP that seek to reduce forced moves and mortgage default by lowering mortgage payment burden for financially stressed …
Domains For Well Behaved Monotonic Social Choice Functions, Salles Paulo Daniel Ramos
Domains For Well Behaved Monotonic Social Choice Functions, Salles Paulo Daniel Ramos
Research Collection School Of Economics
We present here a set of necessary and sufficient conditions for an MD-Connected Domain to support a Well Behaved Monotonic Social Choice Function. We require the domain to have a minimal number of preferences in which a pair of alternatives flips their relation, and these reversals must occurr in accordance to a tree graph. While this condition cannot be sum-marized by a set of restrictions on individual preferences, we provide two alternative characterizations that can, one that is necessary and another that is sufficient.
Short-Term Impact Of Covid-19 On Consumption Spending And Its Underlying Mechanisms: Evidence From Singapore, Seonghoon Kim, Kanghyock Koh, Xuan Zhang
Short-Term Impact Of Covid-19 On Consumption Spending And Its Underlying Mechanisms: Evidence From Singapore, Seonghoon Kim, Kanghyock Koh, Xuan Zhang
Research Collection School Of Economics
We examine the short-term impact of COVID-19 on consumption spending and labor market outcomes. Using monthly panel data of individuals mainly aged 50–70 in Singapore, we find that COVID-19 reduced consumption spending and labor market outcomes immediately after its outbreak, and its negative impact quickly evolved. At its peak, the pandemic reduced total household consumption spending by 22.8% and labor income by 5.9% in April. Probability of full-time work also went down by 1.2 pp and 6.0 pp in April and May, respectively, but employment and self-employment were only mildly affected. Our heterogeneity analysis indicates that the reduction in consumption …
Heterogeneous Health Effects Of Medical Marijuana Legalization: Evidence From Young Adults In The United States, Junxing Chay, Seonghoon Kim
Heterogeneous Health Effects Of Medical Marijuana Legalization: Evidence From Young Adults In The United States, Junxing Chay, Seonghoon Kim
Research Collection School Of Economics
Legalizing marijuana for medical purposes is a longstanding debate. However, evidence of marijuana's health effects is limited, especially for young adults. We estimate the health impacts of medical marijuana laws (MML) in the U.S. among young adults aged 18–29 years using the difference-in-differences method and data from the Behavioral Risk Factors Surveillance System. We find that having MMLs with strict regulations generate health gains, but not in states with lax regulations. Our heterogeneity analysis results indicate that individuals with lower education attainments, with lower household income and without access to health insurance coverage gain more health benefits from MML with …
Jue Insight: Migration, Transportation Infrastructure, And The Spatial Transmission Of Covid-19 In China, Bingjing Li, Lin Ma
Jue Insight: Migration, Transportation Infrastructure, And The Spatial Transmission Of Covid-19 In China, Bingjing Li, Lin Ma
Research Collection School Of Economics
This paper evaluates the impacts of migration flows and transportation infrastructure on the spatial transmission of COVID-19 in China. Prefectures with larger bilateral migration flows and shorter travel distances with Hubei, the epicenter of the outbreak, experienced a wider spread of COVID-19. In addition, richer prefectures with higher incomes were better able to contain the virus at the early stages of community transmission. Using a spatial general equilibrium model, we show that around 28% of the infections outside Hubei province can be explained by the rapid development in transportation infrastructure and the liberalization of migration restrictions in the recent decade.
Does A District Mandate Matter For The Behavior Of Politicians? An Analysis Of Roll-Call Votes And Parliamentary Speeches, Andreas Born, Aljoscha Janssen
Does A District Mandate Matter For The Behavior Of Politicians? An Analysis Of Roll-Call Votes And Parliamentary Speeches, Andreas Born, Aljoscha Janssen
Research Collection School Of Economics
In most democracies, members of parliament (MPs) are elected either through a party list or by a district. We use a discontinuity in the German electoral system to investigate the causal effect of a district election on an MP’s conformity with the party line. A district election does not affect roll-call voting behavior causally, possibly due to overall high adherence to party-line voting. Analyzing the parliamentary speeches of each MP allows us to overcome the high party-line discipline with regard to parliamentary voting. Using textual analysis and machine learning techniques, we create two measures of closeness of an MP’s speeches …