3D framework with (10,3)-b topology, has been synthesized by self-assembly of Cu(NO 3 ) 2 $3H 2 O with 2,4,6tris(4-pyridyl)pyridine (pytpy) in mixed-solvent. The guest methanol molecules in the channels of 1 could be replaced by water molecules via a single-crystal-to-single-crystal (SC-SC) process, and the hydrated complex could serve as a host for sensing anions with different geometries which can be conveniently recognized visually. Moreover, the desolvated complex shows selective uptake of CO 2 over N 2 at ambient temperature.
This paper explores the effect of prior ties on trust in contract enforcement after contractual breaches, which is underdeveloped in the existing literature, from a multi-functional perspective. In this research, both goodwill-based and competence-based trust have been distinguished to explore their mediating effects on the influence of prior ties on contract enforcement; two diverse functions of contracts, controlling and coordination, have been differentiated. This study also examines the moderating effects of the shadow of the future on these functions. Using data gathered from a paper-based survey of 195 Chinese general parties in the construction industry, we posit that prior ties between contracting parties will improve the level of both goodwill-based and competence-based trust between them, so negatively influencing the severity of contract enforcement. 11 Furthermore, the inhibiting effects of competence-based trust on the severity of coordination contract enforcement will be strengthened under the circumstances of a higher likelihood of continued cooperation. This study offers a deep and nuanced understanding of contract enforcement.
Contract violations have become common problems in construction projects, yet little of the construction contract literature addresses the questions of responses to contract violations (i.e., contract enforcement). This research investigates the effects of trust on contract enforcement in a principal-agent relationship, and it explores the mediating role of risk perception in the effects. The authors distributed 429 electronic questionnaires and received 280 responses. After deleting responses completed in under 100 seconds and non-manager responses, we narrowed the total to 253 valid responses from professionals in the Chinese construction industry. Hierarchical regression analyses were conducted to test the hypotheses in this study, and the findings revealed that goodwill-based trust 11 diminishes the severity of contract enforcement, while perceived relational risk and perceived performance risk increase the severity of contract enforcement. Mediation analyses also support the mediating role of perceived relational risk in the effect of goodwill-based trust on contract enforcement. The findings contribute to contract theory by providing a thorough understanding of contract enforcement and developing a conceptual framework consisting of trust, perceived risk, and contract enforcement. Managers from violating parties may benefit from this article through understanding the role of trust and perceived risk in dealing with a contract violation and following the strategies recommended for diminishing the severity of contract enforcement.
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