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The paper sets out to focus the attention of scholars and policy‐makers on the urgency of Nigeria's worsening debt crisis, with a view to suggesting initiatives which can be instrumental in preventing a further deterioration of the crisis.

The recommendations suggested specifically addressed stated research objectives. The research framework attempted to evaluate the role played by Nigeria's past administrations in the evolvement of the crisis. It also appraised the crisis in the context of the new international environment surrounding it. The study suggested improvement to the methodological flaws inherent in modern‐day debt resolution framework, which, so far, has only undermined the implementation of past resolution initiatives at the practical level.

Among other findings, the study uncovered the following: without their modification to suit the peculiar needs and circumstances facing individual countries, modern‐day debt resolution initiatives will only continue to further impoverish Nigeria and sub‐Saharan Africa; over time, Nigeria's successive administrations‐through corruption and inconsistent administrative policies‐significantly contributed to the crisis; creditors establishments‐by knowingly favoring fraudulent administrations with huge, questionable loans (in their self‐serving interest to benefit from reverse resource transfer)‐in no small measure contributed to the crisis.

The projections into the future are only based on trends observed in the past. They do not include unexpected events which might dramatically affect the course of the crisis in the long or distant future.

In order to ensure a successful implementation of resolution strategies suggested here and elsewhere, all the concerned parties will have to be actively involved‐both Nigeria and other indebted African countries, and all their external creditors.

Nigeria's external debt crisis was re‐appraised in the context of the new environment of the crisis. The findings and initiatives suggested for resolution here have a tremendous research value for scholars in the field. They also have an immense practical value for implementation by policy‐makers.

Industry 4.0 in the construction industry (CI), also known as Construction 4.0, transforms construction projects into digital environments, integrating advanced technologies throughout each stage. This study investigated the application, maturity and adoption interest of 14 Industry 4.0-related technologies in the CI (Con4.0-tech) in Australian construction firms.

Using purposive and snowball sampling, data was collected via 19 semi-structured interviews with directors, managers, innovation officers, etc. Data was then content analysed using NVivo software.

The study revealed five key application areas for Con4.0-tech: real-time data capture, digital communication, data analysis, visualisation and off-site construction. While the level of technology use varied, the research suggests a clear shift towards technology-driven practices in Australian construction. An interesting finding is the direct correlation between technology maturity and its use. Construction firms demonstrated a stronger preference for established technologies with proven value. Notably, innovative firms actively explore new technologies, while others wait for broader industry adoption before integrating them.

This research uniquely explores the adoption of Con4.0-tech within Australian construction firms, providing a novel perspective on current industry practices. The empirical evidence offers valuable implications for driving technological advancement and enhancing construction project delivery.

Improving productivity and efficiency has always been crucial for industrial companies to remain competitive. In recent years, the topic of environmental impact has become increasingly important. Published research indicates that environmental and economic goals can enforce or rival each other. However, few papers have been published that address the interaction and integration of these two goals.

In this paper, we identify both, synergies and trade-offs based on a systematic review incorporating 66 publications issued between 1992 and 2021. We analyze, quantify and cluster examples of conjunctions of ecological and economic measures and thereby develop a framework for the combined improvement of performance and environmental compatibility.

Our findings indicate an increased significance of a combined consideration of these two dimensions of sustainability. We found that cases where enforcing synergies between economic and ecological effects were identified are by far more frequent than reports on trade-offs. For the individual categories, cost savings are uniformly considered as the most important economic aspect while, energy savings appear to be marginally more relevant than waste reduction in terms of environmental aspects.

No previous literature review provides a comparable graphical treatment of synergies and trade-offs between cost savings and ecological effects. For the first time, identified measures were classified in a 3 × 3 table considering type and principle.