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This study aims to uncover the black box of the influence mechanism between external stakeholder drivers and green public procurement practice, and meanwhile to explore the moderating role of administrative level in this process. Green public procurement (GPP) has been widely implemented. Existing literature has found that external stakeholder drivers can affect public sectors' GPP practice, however, the definition of its connotation is still unclear, and how external stakeholders affect GPP practice has remained a black box.

After defining the major external stakeholders, this study develops a multiple mediation theoretical model using survey data from 142 Chinese local public sectors. It aims to uncover the black box of the influence mechanism between external stakeholder drivers and GPP practice and meanwhile explore the moderating effect of administrative levels in this process.

The results show that external stakeholder drivers have a positive relationship with GPP practices. The knowledge of GPP implementation policies and the knowledge of GPP benefits can both mediate this relationship. This study also finds that the administrative level of public sectors can positively moderate the mediating effect produced by the knowledge of GPP implementation policies and negatively moderate the mediation effect produced by the knowledge of GPP benefits.

Local governments need to better encourage public sectors to implement GPP. Managers of public sectors need to pay attention to organizational learning to acquire relevant knowledge on GPP.

This study makes a theoretical contribution to a better understanding of the influence mechanism for GPP practice. This study also provides comparisons of GPP implementation policies between China and European Union.

Green Public Procurement (GPP) has recently gained attention in the academic and policy arenas since climate change has uncovered the need to be addressed by both private companies and public entities. Because of this growing interest this study aims to explore the most influential journals, publishers, categories, topics and therecent trends and future research lines in GPP.

Based on the Web of Science database, 1,008 articles from 1990 to November 2023 devoted to GPP are analysed by using Bibliometrix, an R-tool to perform bibliometric analysis.

This study introduces the following findings. The most influential journals by far are Journal of Cleaner Production and Sustainability, differing in that the latter is open access (OA) while the former publishes through traditional subscription (TS). This result also occurs regarding the main publishers (Elsevier and MDPI).

GPP is a political commitment that contributes to improving the efficiency of the economies and that has aroused the interest of the scientific community. The paper can provide important insights for GPPs formulation in the areas of procurements and literacy.

The paper leads a debate on the opportunities or threats that the OA journals present for the dissemination of scientific knowledge of GPP, compared to TS publications in the same field.

The objectives of this study are twofold. Firstly, this study aims to examine the challenges of green public procurement (GPP) involvement among small- and medium-sized enterprises (SMEs) government suppliers. Secondly, it investigates the differences in the perceived challenges between the small- and medium-sized groups of companies.

The study draws on the quantitative method. The questionnaire was distributed to SMEs that supply green goods or services to the government and which are listed in the MyHijau directory. Using convenience sampling, a total of 394 questionnaires were distributed and 126 usable questionnaires were received, representing a response rate of 31.98%. A descriptive analysis of the mean score, standard deviation and mean score ranking was used to analyse the overall results. The t-test analysis was carried out to examine the differences between the small- and medium-sized groups of companies.

All five categories of the barriers, i.e. financial, legal, people, knowledge and organizational challenges, are perceived as the important challenges for SMEs’ involvement in GPP. Of the five categories, “having lack of knowledgeable staff on GPP” under the category of “people” challenge is ranked as the most major barrier. In relation to the differences between the two groups of enterprises (small- and medium-sized), medium enterprises are more affected by two items under the “organization” challenge, i.e. “The company has not targeted suppliers that promote environmentally-friendly products/services” and “The company has not established a clear objective on purchase of green products and services”, as compared to the small-sized enterprises through their GPP involvement.

By understanding the difficulties faced by SMEs in engaging with GPP, various practical measures can be formulated to support the SME businesses in mitigating the challenges faced for their involvement with GPP, which subsequently will lead to the country’s target to reach the sustainable development goals.

This study extends empirical evidence on barriers or challenges that may hinder the involvement in government green procurement, with a specific focus on SME government suppliers.

Green public procurement (GPP) may be a viable solution and an innovative policy tool for public managers to address complex environmental issues facing communities globally. Given their substantial purchasing power, local GPP initiatives and success can accelerate a transition toward a more sustainable society through governments' influence over the private sector. The study's central research question is: What are the factors associated with US local governments' engagement with GPP practices?

This research applies the Mohr's (1969) model of motivations, obstacles and resources (MOR) and draws on original, comprehensive and national survey data collected in collaboration with NIGP: The Institute for Public Procurement to explain adoption of GPP as an innovative policy tool. To ensure the robustness of the findings, the data are analysed by running two types of regression – ordinal logistic and negative binomial – using two different operationalizations for the dependent variable, a GPP scale (ordinal) and a GPP scorecard (count).

The decision surrounding GPP adoption is ultimately driven by organizations’ strategic visions, organizations’ familiarity with the GPP concept and practices, and mandates from the federal government through funding mechanisms.

This study offers guidance to both academic researchers and policymakers in public management and public budgeting and finance on strategies and policy options to expand GPP adoption and utilization.

This paper aims to identify important factors in green public procurement (GPP) implementation and then to clarify how these factors affect GPP implementation.

The authors applied the Delphi method first and then conducted a focused and constrained multiple case study at 18 government procurement centers across China.

The authors identified four clusters of factors for successful GPP implementation: more clear, consistent and operational policy goals; a nation-wide green procurement campaign to enhance social capital and cultural resources; promoting staff’s ethics, professionalism, capacity and knowledge; and establishing checks and balances among organizations involved in the whole purchasing process.

GPP can significantly improve environmental protection and sustainable development.

Based on key insights from systems theory and agency theory, the authors emphasize that GPP implementation must take down its own functional silos and adopt a process approach across organizational tiers to synchronize human resource based and inter-organizational capabilities into a unified whole through information sharing, communications and collaboration.

The purpose of this paper is to provide evidence of connections between sustainability policy goals included in public procurement tenders and offers and their achievement through contract award.

Two hypotheses based on extant literature and the inducement–contribution theory were tested by means of a survey of 281 procurement files from 2007 to 2009 relating to eight product categories and four European Union (EU) member states. Data were analyzed using structural equation modeling.

Findings indicate that public procurement was more effective in influencing socially responsible goals than environmental goals. In terms of supplier readiness, vendors achieved greater progress in delivering green than socially responsible operations.

The collection and analysis of data are based on procurement files, which is a new but also a complex procedure. In comparison to survey data, the data from procurement file analysis are less biased.

Public procurement practitioners and sustainability policymakers should consider the use of public procurement as a lever to attain environmental and socially responsible goals.

Evidence has been provided to demonstrate the strategic use of public procurement impacts on environmental and socially responsible goals, thereby benefiting society.

This study contributes in three main ways: first, by adding to existing, limited research on the use of public procurement as a lever of policy goals attainment; second, by examining environmental and socially responsible policy in one study; and third, through providing evidence across EU member states.

Given the complexity of green public procurement, decisions are likely to be driven by bounded rationality. However, we know little about what determines supplier selection criteria in any given situation. This study explores buyer behavior when considering environmental criteria. We first conducted interviews and identified 12 operational procedures used by buyers. We then developed a survey to explore the use of these procedures. Our quantitative analysis suggests that public buyers are motivated by their belief that they can make a difference. This is independent of buyers' experience or gender. However, their occupational position and the nature of a procurement seem to influence how buyers seek information about environmental criteria and which information source(s) they use. The data suggest that four specific decision-making heuristics are associated with the selected operational procedures.

The literature on public procurement (PP) has increased significantly in recent years, and, to date, several reviews have been conducted to study this relevant subject. Nevertheless, a bibliometric analysis of the PP knowledge domain is still missing. To fill this knowledge gap, a bibliometric review is carried out to investigate the current state of PP research.

A total of 640 journal articles are selected from the Scopus database for the final analysis. The performance indicators of the literature are identified and explained through bibliometric analysis. Furthermore, the conceptual and intellectual structures are studied through a keyword co-occurrence network and bibliographic coupling.

The results of the review indicate that PP research has increased significantly in recent years. The top ten most productive journals, countries, authors and academic institutions are identified. The findings from the keyword co-occurrence network reveal six main research themes including innovation, corruption and green public procurement (GPP). By applying bibliographic coupling, the focus of PP research revolves around seven thematic areas: GPP, corruption, the role of small and medium-sized enterprises (SMEs) in PP, electronic PP, innovation, labour standards and service acquisition. The research potential of each thematic area is evaluated using a model based on maturity and recent attention (RA).

To the best of the authors' knowledge, this is the first study to successfully organise, synthesise and quantitatively analyse the development of the PP domain amongst a large number of publications on a large time scale.

This paper aims to study the short-term effects of a new procurement policy document on the inclusion of environmental requirements and green award criteria in tenders. The policy document is named “Procurement with Impact” and was released by the Dutch central government to further stimulate Sustainable Public Procurement (SPP).

Central government tenders were quantitatively analyzed in the six months prior and after the release of the new policy on their inclusion of environmental concerns. This judgment was made based on the role of environmental concerns in the requirements and the award criteria. As a control group, the same was done on a municipal level, for which the new policy document does not apply. Each of the four samples contained 60 tenders. Data was acquired via the European public procurement database TED. In the analysis, a chi-square test was used to measure whether a significant difference exists between the two periods for each group.

Results show that central government has procured in a more environmentally concerned way after the release of “Procurement with Impact.” Within a year, the number of green tenders conducted by central government significantly increased from 30% to 55%. No significant difference was found on a municipal level.

SPP has received increasing attention over the past few decades but has not led to implementation of its principles in most public tenders. As SPP can have a major impact on a more sustainable and social society, it is important to understand how policy can influence the sustainability of tenders. The findings of our study show that “Procurement with impact” had a significant positive short-term effect on the inclusion of green award criteria and requirements in public tenders. Implementing similar SPP policies in other government sectors and other countries could have a substantial effect on the worldwide uptake of SPP.

“Procurement with Impact” contains a clear sustainable vision embracing the principles of SPP. This government policy takes into account several SPP barriers and drivers and satisfies several policy theory conditions. The authors show in the paper that this policy is an effective instrument for increasing the inclusion of environmental concerns in tenders. As the difference is already significant within a year, this could also reflect the readiness of tenderers to turn to SPP once there is a clear organization wide policy.

The purchasing power of public sector organizations can be used to promote strategic policy objectives such as sustainability, innovation, and the concept of circular economy (CE). In Denmark, total greenhouse gas emissions from public procurement (PP) activities comprise approximately 12 million tons CO₂eq/year. Thus, if sustainability criteria and CE are considered in PP, there is a potential for environmental savings and for driving innovation toward circularity. Directive 2014/24/EU on PP makes it possible to include sustainability criteria or CE in public tenders. In order to aid this process, the case company Vraa Dampvaskeri has, together with researchers from Aalborg University, developed a guide for sustainable PP focusing on workwear and laundry services. In this chapter, we explore how this guide has been used in practice. This includes a consideration of the way in which such a guide can aid the process of setting sustainable and circular criteria in public tenders, thus supporting a transition to CE. Although the guide is now supported by national criteria for textiles in the Danish Partnership for Green PP, these tools cannot stand alone, as their use by PP officers is voluntary. Market engagement is imperative for inclusion of sustainability and CE in tenders, and the involvement of user groups is essentially important.