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The purpose of this paper is to find the impact of food price volatility on child health and education attainment in urban areas of Pakistan. This research also compares the two variables among the two time periods: the period of low volatile food prices (2014‒2015) and the period of high volatile food prices (2013‒2014). The rate of child immunization and the rate of child school attendance are used as proxies for child health and child education, respectively.

This study employs propensity score matching (PSM) technique introduced by Rosenbaum and Rubin (1983), to overcome the selection bias problem in the observational studies.

The closing part of the paper concludes that both the rate of child immunization and the rate of child school attendance are significantly poorer for the households of Pakistan in the control period (of high food price volatility) as compared to the treated period (of low food price volatility). After controlling the problem of selection bias through PSM technique, it is found that there is a further increase in the rate of child immunization and the rate of child school attendance. It proves that the data were biased before applying the matching technique.

This study lengthens the literature by identifying the impact of food price volatility on child health and education of urban households of Pakistan, using high frequency data of PSLM/HIES, with the help of semi-parametric technique of matching. This type of micro-level research has not been conducted (nationally or internationally) so far; therefore, it would possibly open a sphere for policy makers to implement the suitable policies.

The peer review history for this article is available at: https://publons.com/publon/10.1108/IJSE-04-2019-0275.

Agriculture in Ghana is dominated by smallholder farmers in rural areas. Majority of these farmers are resource-poor and faced with serious challenges in accessing formal financial services towards farming needs attributed to the stringent requirements. To bridge this gap, village savings and loan associations (VSLA) have been promoted in rural areas as an alternative to meeting the credit needs of smallholder farmers. Credit plays a vital role in input acquisition among farmers for improved agricultural value productivity. This study assesses the contribution of VSLA to agricultural value productivity in the Northern Region of Ghana.

The methodology is a primary cross-sectional data collected with the help of a semi-structured questionnaire. This study, therefore, applied a propensity score matching (PSM) to assess the effects of VSLA on agricultural value productivity.

Results from the PSM revealed that extension contact, contract farming, television set ownership, participating in “Planting for Food and Jobs” and nature of roads, including receiving VSLA information from members' increases participation decision of farmers in VSLA. Conversely, age of a farmer, household size, distance to output market and farmers in the Sagnarigu Municipality have negatively influenced VSLA participation. The propensity score matching estimates showed that members of VSLA obtained 38.2% higher agricultural value productivity than non-members.

Village savings and loans associations can be promoted among smallholder farmers as an effective alternative to formal financial service for inclusive development.

This paper aims to investigate whether all-equity firms are a heterogeneous group as it relates to agency costs when compared to a matched sample of levered firms and to contribute toward the understanding of the “low leverage” puzzle and the motivations behind such a perplexing phenomenon.

Propensity score matching (PSM) is used to control for endogeneity issues common to this line of research. Because all-equity firms are self-selecting, it is not possible to conduct a true randomized study. PSM attempts to simulate a randomized study by selecting matching observations with similar propensity scores as the all-equity observations.

Agency costs are not the only explanation leading to the implementation of an all-equity capital structure. The motivation of such structure is strongly influenced by free cash flows (FCF) and growth opportunities (GO), whereby firms that have high levels FCF combined with low GO exhibit higher levels of agency costs versus their levered peers, while those that have low levels of FCF and high GO exhibit no significant difference in agency costs.

A better understanding of why a firm chooses such an extreme capital structure can help investors, auditors and potential future creditors in their decision-making process.

Most prior research treats capital structure as an exogenous variable. By applying PSM, not previously used in prior research, a new methodology is used to address the endogeneity issue related to observational studies such as this one. This paper contributes toward further understanding the perplexing “low-leverage” puzzle often discussed in the financial and accounting literature.

Considering the substantial benefits derived from the use of Building Information Modeling (BIM) in construction projects, governments and its related sectors have introduced mandatory policies requiring the use of BIM. However, little is known about the impact of mandatory policies on BIM-based project performance. Therefore, the purpose of this paper is to provide a systematical understanding on the impact of policy interventions on the implementation practice of innovative technologies.

This paper utilizes the propensity score matching and difference in differences (PSM-DID) method to investigate the impact of policy interventions on BIM-based project performance. Using the panel data collected from 2015 to 2021 in the Hong Kong construction industry, this paper explores the impact of the first mandatory BIM policy on the BIM-based project performance of three key stakeholders.

The subjective BIM performance and BIM return on investment (ROI) have significantly improved after implementing the mandatory BIM policy. The promotion effect of mandatory BIM policy on BIM-based project performance gradually increases over time. Moreover, the promotion effect of mandatory BIM policy on BIM performance shows significant heterogeneity for different stakeholders and organizations of different sizes.

This study examined the impact of policy interventions on BIM-based project performance. The research findings can provide a holistic understanding of the potential implications of innovative mandatory policy in performance improvement and offer some constructive suggestions to policymakers and industry practitioners to promote the penetration of BIM in the construction industry.

Among the research studies related to the relevance between religious belief and mental health, most of them highlight people with religious belief who tend to obtain mental comforting more easily. However, the research studies mentioned above were cross-sectional studies, and they only verified that religious beliefs and mental health are relevant, but they did not prove their cause-and-effect relationship. That is, they do not identify “due to people's religious beliefs, they have healthier mind” or “due to people's healthier minds, they have religious beliefs.” Therefore, the study aims to explore the benefit evaluation of religious belief affecting mental health.

The study uses propensity score matching (PSM) and treatment effect (ATT) to carry out the causal inference between religious beliefs and mental health. First, the propensity score (PS) is calculated from the impact factors that affect people's religious belief before establishing counterfactual analysis based on the PS to analyze the effect of religious beliefs to further understand the difference of mental health index between people with religious belief and without it, and confirm the cause-and-effect relationship between them.

Religious beliefs and participation are ubiquitous within and across populations. The associates between religious participation and health are considerably in great magnitude. Most of the research in the past related to religious beliefs and mental health only verified that religious beliefs and mental health are relevant but not proved its cause-and-effect relationship. This paper aimed to explore the causal relationship between religious belief and mental health. The experimental results showed religious belief has treatment effect toward “daily functioning,” “feeling affect,” “spirituality” and “mental health.” On a whole, religious belief can promote mental health.

In academic and practical circles, there are a lot of research studies exploring the relationship between religious belief and mental health. However, there is no research investigating the cause-and-effect relationship between religious belief and mental health. It also causes some questioning toward the relevant research studies. Therefore, the outcome of this study not only can clarify the legitimacy, importance, and practicality on the researches in the past but also provide the practical support for psychology and counseling.

The purpose of this paper is to determine the impact of microcredit on smallholder poultry production and its subsequent role on domestic protein and food supply.

Cross-sectional farm-level data from 61 farmers with at least two years of microcredit access and 39 farmers without microcredit access in the Dormaa Municipality of Ghana collected in 2016 via semi-structured questionnaire were used. Using the propensity score matching, PSM, and data envelopment analyses approaches, the authors analysed the propensity of farmers’ taking microcredit and its effect on beneficiaries’ technical efficiency, productivity, profitability and domestic production of chicken and eggs, farm performance. The authors addressed selection biases with the PSM and answered the research question of whether farmers with microcredit access perform better than non-microcredit farmers.

Farmers with high years of education, farming experience, technology and machinery as well as micro-savings and female farmers are more likely to take microcredit whereas large farm size reduces farmers’ propensity to take microcredit. Furthermore, farms with microcredit access were more technically efficient, productive and profitable than they would have been in the absence of microcredit.

The paper can be useful to policymakers and microcredit institutions since it provides evidence of microeconomic impacts of microcredit on agricultural production and the determinants of farmers’ participation in microcredit.

The study helps to understand how access to credit can improve smallholders’ technology adoption, production efficiency and productivity and output thereby enhancing domestic food supply.

Recent studies suggest extensive use of environmental resources in agrofarming degrades ecosystem significantly. In this backdrop, this study aims at assessing ecoefficiency of paddy farming. Because ecoefficiency links up between economic performances and environmental resources supporting the provision of goods and services for the society, this study further investigates the effectiveness of attending Farmers' Field School (FFS), an agroenvironmental program, in conserving environmental resources through improving farm-level ecoefficiency.

In a dataset of 200 randomly selected paddy farmers from three districts of the southwestern Bangladesh, data envelopment analysis (DEA) is applied to compute both radial and pressure-specific (nutrient balance, energy balance, irrigation and pesticide lethal risk) ecoefficiency scores. Furthermore, propensity score matching (PSM) technique is applied to examine the impact of FFS program on farm-level ecoefficiency.

The DEA results suggest that paddy farmers are highly eco-inefficient. The computed radial eco-efficiency score is 0.40 implying farmers could reduce around 60% of environmental pressure equiproportionally even by maintaining the same level of value addition. In addition, the PSM results suggest farmers' participation in FFS program led to around 22.5% higher radial ecoefficiency and 7–25% higher environmental pressure-specific eco-efficiencies. Furthermore, simulation exercises reveal that FFS participation in interaction with farm size would lead to around 32–40% reduction of all environmental pressures.

Promoting FFS programs among paddy farmers could be an effective policy option to improve eco-efficiency through environment-friendly farming paradigm.

This study is probably the maiden effort that has examined the impact of attending the FFS program on ecoefficiency improvement in Bangladesh. This study contributes to both the concern literature by adding useful information and the policymakers by providing new insights about the reduction of environmental resource usage with maintaining the same value addition from agrofarming.

The purpose of this paper is to analyse the impact of corporate social responsibility (CSR) on firm performance in six Latin American economies. Firm performance includes five distinct dimensions, namely, firm turnover, labour productivity, innovativeness, product differentiation and technological transfer. The countries under scrutiny are Argentina, Bolivia, Chile, Colombia, Ecuador and Mexico.

Propensity score matching techniques are used to identify the causal effect of CSR on firm performance. To this end, World Bank Enterprise Survey (2006 wave) is used. This data set collects relevant firm-level data.

CSR has a positive impact on the outcome variables analysed, suggesting that corporate goals are compatible with conscious business operations. The results also vary across countries.

The pattern that emerges from the analysis seems to suggest that the positive effects of CSR depend on countries’ stage of industrialisation. In particular, the least developed the economy, the wider the scope of CSR. Nonetheless, the relationship between conscious business operations, firm performance and countries’ level of development is not directly tested in the present work.

The main practical implication of the study is that Latin American firms should adopt CSR. This is because corporate responsible practices either improve firm performance or they are not shown to have a detrimental effect.

The major policy implication is that emerging countries’ governments as well as international organisation should provide meaningful incentives towards CSR adoption.

The paper provides three major original contributions. First, it brings new descriptive evidence on CSR practices in Latin America. Second, it uses a broader and novel definition of firm performance, which is aimed at capturing developing countries’ business dynamics as well as at overcoming data limitations. Finally, it reassesses and extends the empirical evidence on the impact of CSR on firm performance.

Using survey data from Shandong, Henan and Guizhou provinces of China, the purpose of this paper is to accurately measure the impact of rural residents’ financial education on financial literacy.

This paper chooses one province from the Eastern, Central and Western Regions of China, namely, Shandong, Henan and Guizhou, respectively, and 1,565 samples are obtained through a questionnaire survey. First, the paper constructs a financial literacy assessment framework and, then, scores the financial literacy of the respondents. Second, using ordinary least squares, feasible generalized least squares method and forward search method, the paper estimates the impact factors of financial literacy level. To avoid sample selection errors and endogeneity problems, the authors divide the respondents into treatment group (participated in financial education) and control group (non-participating in financial education) and, then, adopt propensity score matching (PSM) to analyze the impact of rural residents’ financial education on financial literacy.

The results show that education level and risk level have significant impact on rural residents’ participation in financial education, and some unobservable abilities and qualities also affect their participation. Therefore, the process of rural residents’ participation in financial education exists, which gives rise to self-selection and endogeneity problems; financial education is promoting rural residents’ financial literacy, but the effect of promotion becomes smaller after taking into account sample self-selection and endogenous problems. Rural residents of female, higher age, single, higher education level, higher parental education level, agricultural type, higher family annual per capita income and lower risk level show stronger effects on their financial literacy level, if they participate in financial education.

The survey sample was drawn from three provinces randomly but the site selection was not random. The implication is in rural China, financial education has positive effect on residents’ financial literacy level but considering the sample self- selection and endogenous nature, its impact becomes smaller.

The government should encourage rural residents to participate fully in financial education activities, especially those with a low educational level, low risk preference and mainly engaged in agricultural production.

The effect of financial education on financial literacy has not reached a consistent conclusion, and there is fewer quantitative discussion about this issue. The originality of this paper is based on the Organization for Economic Co-operation and Development evaluation index system; this paper constructs the evaluation index system of rural residents’ financial literacy in China and uses the PSM method to accurately measure the effect of financial education on financial literacy.

The purpose of this paper is to examine the issue of racial profiling when the traffic stop outcome is a search using focal concerns theory as a theoretical explanation for police officer decision making and propensity score matching (PSM) as a better analysis to understand the race of the driver.

The data for this study come from traffic stops conducted by the Louisville Police Department between January 1 and December 31, 2002.

The results show that the elements of focal concerns theory matter most when it comes to if a traffic stop that resulted in a search even though racial profiling was evident. The use of PSM provides evidence that it is a better statistical technique when studying racial profiling. The gender of the driver was significant for male drivers but not for female drivers.

The data for this study are cross-sectional and are self-report data from the police officer.

This paper serves as a theoretical explanation that other researchers could use when studying racial profiling along with a better type of statistical analysis being PSM.

The findings based on focal concerns theory could provide an explanation for police officer decision making that police departments could use to help citizens understand why a traffic stop search took place.

This is the first study of its kind to the researcher’s knowledge to apply focal concerns theory with PSM to understand traffic stop searches.