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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.

The Persons with Disabilities (PWDs) Act, 2006 (Act 715) was passed in Ghana to grant several rights to PWDs, including access to public services such as healthcare. This paper investigates the inequality in resources and then later assesses the effect of disability on healthcare utilization if all resources are distributed equally between disabled and not disabled persons.

The study uses data from the seventh round of the Ghana Living Standards Survey (GLSS 7), which was conducted in 2016/2017, and employs the estimation method of propensity score matching (PSM), within the framework of the capability approach (CA).

The findings are that there is a disparity in the resources and conversion factors needed to utilize healthcare. Compared to not disabled persons, persons living with disability are more likely to be poorer but pay more out of pocket because they are more likely to be uninsured. They are also older, male, uneducated and live in rural areas. They are also likely to spend more money but less time to travel to the health facility, and they wait longer to receive treatment. After matching these background characteristics, disability reduces healthcare utilization by 12.4%.

The research is limited by the lack of information about the reasons for seeking healthcare by the persons living with disability, whether it is for general treatment as any other person or for treating the disability.

Persons with disability are less endowed. However, even if they have the same resources as their abled counterparts, disability will still reduce healthcare utilization.

This paper identifies and addresses all forms of inequality with respect to healthcare utilization, within Amartya Sen’s Capability Approach.

Persons living with disability are less likely to seek treatment when ill. This is understandable since there is a disparity in the resources and conversion factors needed to utilize healthcare. However, after matching these background characteristics, just being disabled still reduces healthcare utilization. The paper uses Sen’s CA framework.

The peer review history for this article is available at: https://publons.com/publon/10.1108/IJSE-02-2022-0084

This study examined the impact of the Input Credit Scheme (ICS) by the Integrated Water Management and Agriculture Development (IWAD) on the productivity and food security of smallholder rice farmers in Ghana.

Cross-sectional data from 250 rice farming households in the Mamprugu Moagduri district of the North East Region obtained from a multi-stage sampling technique were used for the study. Inverse Probability Weighted Regression Adjustment (IPWRA), Propensity Score Matching (PSM) and Kendall's coefficient of concordance were the methods of analysis employed.

Empirical results show that education, rice farming experience, dependency ratio, FBO membership, farm size and farm age were the significant factors influencing participation in the input credit scheme (ICS). Also, participants had an average rice productivity of 1,476.83 kg/ha, whereas non-participants had 1,131.81 kg/ha implying that participants increased their productivity by about 30%. In addition, the study revealed that participant households increased their household dietary diversity (HDDS) by 0.45 points amounting to about 8% diversity in their diets. High-interest rates associated with credit received, the short periods of credit repayment and the high cost of inputs provided under the scheme were the most challenging constraints associated with partaking in the ICS.

The available literature on agricultural interventions have predominantly emphasized input credit as a key factor for improving cropt productivity and food security of smallholders. This study provides compelling evidence that participation in ICSs can result in substantial benefits for agricultural development, as evidenced by increased productivity leading to improved food security. The significance of these findings is highlighted by the fact that, through participation in input credit schemes, smallholder rice farmers in many developing countries see substantial improvement in their capacity to access productive resources, thereby improving their productivity, while simultaneously reducing food insecurity.

Leveraging on the improved productivity of participants in the ICS, this study advocates that such input credit schemes should scale up to more food-insecure farming communities in Ghana.

The study uses a doubly robust econometric approach to evaluate the impact of ICS on smallholder rice farmers' productivity and food security in Ghana, making it the first of its kind. The findings offer a solid basis for future research and provide guidance for policymakers looking to boost agricultural development in Ghana.

This paper aims to test the impact of remittances receipt on agricultural productivity. The paper empirically assesses whether heterogeneity in economic activity of farming households affects the effects of remittances on productivity of tradable and nontradable crop farming households in Ghana.

The authors employ propensity score matching (PSM) methods to address potential endogeneity issues that could arise from the estimation due to selection bias. This paper uses the seventh round of Ghana living standard survey dataset for Ghana.

The authors find that, the involvement of farming households in other economic activities alters the impact of remittances on crop yield. This differential impact also varies according whether the crop is tradeable or not.

Policy can reduce the cost of sending remittances and include financial literacy modules in the farmer training modules to increase farmers' knowledge on investment of remittance in agricultural production.

The authors distinguish the paper from others by controlling for crop types (particularly tradeable or otherwise and gestation period), farming of a second or more crops and engagement of smallholder farmers in nonfarm economic activities.

The authors investigated cocoa farmers' access to subsidized fertilizer in Ghana and implications on productivity.

Primary data were sourced from 435 cocoa farmers. Cragg hurdle and two-step Tobit model with continuous endogenous regressors/covariates were applied for the drivers of cocoa farmers' participation in fertilizer subsidy programme and productivity. Propensity score matching (PSM), inverse-probability weights (IPW) and augmented inverse-probability weights (AIPW) were applied for productivity impact assessment of fertilizer subsidy.

All the farmers were aware of fertilizer subsidy for cocoa production in Ghana. Farmers became aware of fertilizer subsidy through extension officers, media and other farmers. Half of cocoa farmers benefitted from fertilizer subsidy. Averagely, cocoa farmers purchased 292 kg of subsidized fertilizer. Many socio-economic, farm-level characteristics and institutional factors determine cocoa farmers' participation in fertilizer subsidy programme, quantity of subsidized fertilizer obtained and productivity. Beneficiaries of fertilizer subsidy recorded higher cocoa productivity than non-beneficiaries. Hence, fertilizer subsidy for cocoa production in Ghana leads to a gain in productivity.

There should be more investments in fertilizer subsidy so that all cocoa farmers benefit and obtain the required quantities.

The authors provide new evidence on cocoa productivity gain or loss emanating from fertilizer subsidy by combining different impact assessment techniques for deeper analysis: PSM, IPW and AIPW.

Conditional Cash Transfer (CCT) aims to assist expectant mothers in low-income households. It might address the insufficient prenatal and postnatal healthcare services in rural areas of low-income nations, including Bangladesh. However, the effectiveness of such intervention is rarely investigated in rural Bangladesh. The study aims to explore the impact of CCT on certain health outcomes of expectant mothers in southwestern rural Bangladesh.

The study applied the quasi-experimental Propensity Score Matching method to assess the effectiveness of CCT in health outcomes of expectant mothers. The authors also deployed logistic regression to explore the predictors of three health issues – blood pressure, hemoglobin adequacy and morning sickness.

The Average Treatment Effect shows that the CCT program significantly improves maternal health by lowering the extent of blood pressure and morning sickness and enhancing the hemoglobin adequacy of the CCT recipient women compared to the non-recipient. The result reveals that CCT beneficiary status as well as the education and immunization are positively and significantly associated with normal blood pressure and hemoglobin adequacy. CCT is also a negative predictor of morning sickness. The study recommends to expand the coverage of the CCT program and also emphasize on the improvement of education, training and immunization for rural pregnant women.

To assist in scaling purchasing power and nutritious food for poor pregnant and lactating mothers in low-income households, “Nobojatra” project initiated the CCTs in the southwest region of Bangladesh. Yet, the impact of such cash transfers on their health outcomes is rarely explored in the context of Bangladesh. This study provides evidence regarding the effectiveness of cash transfers to pregnant women of low-income households in rural Bangladesh.

The peer review history for this article is available at: https://publons.com/publon/10.1108/IJSE-08-2022-0512

In the developing world, the adoption of new technology in agriculture has emerged as a tool to address the problem of investment-disincentive effect of capital investment on smallholders. In Indian agriculture, which is dominated by smallholders, technological adoption becomes very essential. In this regard, along with the government, local level organizations also provide training and other support to adopt the new agricultural technique. The present study is an attempt to assess the counterfactual impact of this sort of initiative in the context of Bihar, a state in India.

The study uses field survey data which are collected from the Gaya district of Bihar. Overall, 249 sample farmers are surveyed from 23 villages of four blocks of the Gaya district. There are two groups of selected farmers: treatment and control groups. Farmers who adopted the new technique belong to the treatment group, and otherwise, the control group. For analytical purpose, a propensity score matching method has been used to estimate the counterfactual impact of the adoption of the new technique of farming on farmers' agricultural income.

The study observes a significant improvement in the agricultural income of the farmers who adopted the new technique. New agricultural techniques, propagated through the local level organization, might be instrumental to enhance farmer's skill as well as income.

This type of approach may be adopted, complementary to the government's extension initiative to enhance farmers' income through adoption of the advanced farming process, as well as to improve the human capital of agriculture production.

The study laid a framework of assessing the counterfactual impact of intervention of local level organization and adoption of new farming techniques in the context of Bihar, India.

The peer review history for this article is available at: https://publons.com/publon/10.1108/IJSE-09-2022-0606

Innovation allows firms to gain or maintain their competitive advantages in both domestic and international markets. However, the findings on the association between innovation and export vary depending on countries, samples, time, variables and methods used for empirical analysis. The purpose of this study is to examine the influence of different types of innovation on export in small- and medium-sized enterprises (SMEs) in a developing economy in the context of global integration.

For empirical analysis, the authors use a sample of manufacturing SMEs in Vietnam in 2013 and 2015. Because the firms do not engage in innovation at random in the research sample, the authors use propensity score matching to account for self-selection bias. The authors also use different matching estimators to ensure robust results.

Innovation activities are found to be positively associated with the probability of engaging in export activities. The effects are mainly contributed by the adoption of new technology or process.

This research underscores the importance of public interventions and policies designed to promote innovation and export in the SMEs.

To the best of the authors’ knowledge, this research is one of the early attempts to examine the association between different types of innovation and export in SMEs in a developing economy.

Farmer producer organisations (FPOs) are considered as a strategy to improve the livelihoods of small farmers through economies of scale by providing collective strength to farmers for improved access to production technology, value-addition services, high-quality inputs and marketing services for improving their incomes. This study investigates the impact of FPO membership on organic farming household's income in Northeast India.

This study uses field survey data collected from all four districts of Sikkim. Primary data were obtained from a survey of 560 organic farming households, 280 of which are FPO members and the rest 280 are non-members. Propensity score matching (PSM) is used to estimate the impact of FPO membership on net returns, return on investment (ROI) and profit margin.

Results show that the FPO members had, on average, Rs. 7,254–8,133 higher annual net returns, 4.6–4.8% higher ROI and 8–8.4% higher profit margin than the non-members. The findings confirm that FPO membership has a positive and significant impact on net returns, return on investment and profit margin. Also, heterogeneity analysis indicates that FPO membership has larger positive impact on relatively bigger farmers and female-headed households.

As the study was based on a cross-sectional survey, the findings may be subjected to some limitations.

This study is based on a novel data set, collected specifically to examine the economic impact of FPO membership on organic farming in India.

The peer review history for this article is available at: https://publons.com/publon/10.1108/IJSE-06-2023-0451

The online health community's success depends on doctors' active participation, so it is essential to understand the factors that affect doctors' knowledge contribution behavior in the online health communities. From the perspective of peer effect, this paper discusses the influence of focal doctors' peers on focal doctors' knowledge contribution behavior and the mechanism behind it. This paper aims to solve these problems.

Empirical data of 1,938 doctors were collected from a Chinese online health community, and propensity score matching and ordinary least squares were employed to verify the proposed theoretical model.

The results show that the presence of focal doctors' peers in online health communities has a positive effect on the knowledge contribution behavior of focal doctors, and the economic returns and social returns of focal doctors' peers have a significant mediating effect.

This paper discusses focal doctors' knowledge contribution behavior from the perspective of peer effect. It enhances the understanding of focal doctors' behavior in the online health communities by exploring the mediating role of their peers' economic and social returns. The results of this paper extend the research in the field of peer effect and online health and provide management implications and suggestions for online health platforms and doctors.