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The purpose of this paper is to explore: the actual usage of generalized audit software (GAS) features among Egyptian external auditors, through the technology acceptance model (TAM); how the conceptual complexity of GAS features impact its actual usage; and what factors influencing the GAS use by Egyptian external auditors.

External audit professionals at 12 international audit firms, including the Big 4 and eight medium-sized firms, in Egypt were surveyed.

The results show that the basic features including database queries, ratio analysis, and audit sampling were higher in GAS use, perceived usefulness, and perceived ease of use among Egyptian external auditors than the advanced features: digital analysis, regression/ANOVA, and data mining classification. The structural equation modelling analysis by GAS features suggests that perceived ease of use has a stronger effect on GAS use when the conceptual complexity of GAS features is high. The analysis also support that the use of GAS by Egyptian external auditors is more affected by co-worker, supervisor, or organization through perceived usefulness, but not by job relevance, output quality, and result demonstration.

Although Egyptian external auditors participated in this study may limit the extent to which the findings may be generalized, the responses provide an insight into the actual usage of GAS features by external auditors and the impact of conceptual complexity of GAS features, which is consistent with the literature concerning the relatively low level of utilizing the advanced features of GAS by internal auditors, suggesting that the issues revealed should be of concern.

The results reported in this paper are useful to audit software developers and audit firms in their understanding of factors influencing GAS usage in a different audit context.

The study adds value to prior research by providing context-contingent insight into the application of TAM in an unexplored audit context.

This paper aims to identify key factors driving auditors’ adoption of Generalized Audit Software (GAS) in a large developing country, Indonesia, through the lens of the technology, organization and environment (TOE) framework.

Results of this study are based on semi-structured in-depth interviews conducted in Indonesia with audit firms of varying sizes.

Key study findings included the identification of highly influential adoption factors, especially environmental factors, such as availability of information technology-skilled auditors in the local market, client needs and expectations and client size. This study has also identified factors, not identified in previous research, as being influential including the importance of GAS availability in a range of languages and the necessity of a supportive professional and regulatory environment.

This study makes several contributions to the literature including that it identifies new influential factors in the TOE framework. This framework has not been widely applied in auditing research and looks beyond the individual perspective to that of the organization as a whole. Moreover, the present study takes a developing country perspective and examines a range of audit firms. In contrast, most studies to date in the area have taken a Western focus and have concentrated on large audit firms. Additionally, this study provides an in-depth analysis through the use of semi-structured interviews, whereas prior studies have relied on surveys.

Adoption of mental horizons of a global nature have prompted a variety of interests and developments. The trend will continue, especially in the areas of economics and business. This development has been accompanied by the globalisation and increased interest in international equity and credit investments and the development of currency, money, capital, and even commodities markets.

Generalized audit software (GAS) is the tool use by auditors to automate various audit tasks. As most accounting transactions are now computerized, auditing of accounting data is also expected to be computerized as well. While GAS is the most popular of computer assisted audit tools and techniques (CAATTs), research shows that there is little evidence that GAS has been universally adopted by external auditors. The purpose of this paper is to investigate the utilization of GAS by external auditors in the UK. The paper focuses on small and medium‐sized audit firms in the UK whereas most other GAS studies have examined “Big 4” firms. Registered statutory auditors have been selected as a sample.

A framework was developed to identify a range of relevant factors which are important when considering the application of GAS. A web‐based survey has been used to gather the perceptions based on the responses from 205 statutory auditors across the UK. The questions posed to respondents were mapped against the framework.

The research finds that the utilization of GAS is unusually low among audit firms in the UK. About 73 per cent of external auditors make no use of GAS, due to the perceived limited benefit of using GAS for auditing small clients. While some respondents recognized the advantages of GAS, they were put off by what they believed to be high implementation costs; significant learning curve and adoption process; and lack of ease of use – they showed a preference for using traditional manual auditing methods instead.

The paper focuses on small and medium‐sized auditors, and as such the results cannot be extrapolated to Big 4 auditors. Consequently, the responses and conclusions are relevant to the use of GAS during audits of smaller and medium‐sized companies which make up the client base of such audit firms.

This is one of the few studies that have sought to research the utilization of GAS by the external auditor.

As technology integration in auditing continues to grow, it is important to understand how auditors perceive connections between use of generalized audit software (GAS) and audit benefits.

The DeLone and McLean information systems success model (2003) is adapted with audit-related uses of GAS as antecedents to information quality. Survey data on 188 current users of GAS, who are financial and IT auditors, is analyzed with partial least squares method.

For financial auditors, detecting material misstatements antecedent is the only significant indicator of information quality for GAS. For IT auditors, detecting control deficiencies and fraud significantly impacts information quality. Information quality influences use for both auditors; however, it only influences satisfaction with GAS for financial auditors. System quality impacts GAS satisfaction for only IT auditors and has no impact on GAS use for either type of auditor. Service quality influences use of GAS for financial, but not IT auditors. For both groups, service quality has no impact on satisfaction with GAS, and GAS use and satisfaction with GAS positively increases their perceptions of audit benefits.

Financial and IT auditors who use GAS are both focused on matching GAS use with their primary audit objectives. Results suggest that as GAS use increases, system quality may be important to satisfaction. Training should first focus on the usefulness of GAS to the audit to increase extent of use. Lastly, the more auditors use GAS and are satisfied with it, the greater their perception GAS contributing directly to benefit the audit.

This paper seeks to evaluate the potential of heat exchanged aeroengines for future Unmanned Aerial Vehicle (UAV), helicopter, and aircraft propulsion, with emphasis placed on reduced emissions, lower fuel burn, and less noise.

Aeroengine performance analyses were carried out covering a wide range of parameters for more complex thermodynamic cycles. This led to the identification of major component features and the establishing of preconceptual aeroengine layout concepts for various types of recuperated and ICR variants.

Novel aeroengine architectures were identified for heat exchanged turboshaft, turboprop, and turbofan variants covering a wide range of applications. While conceptual in nature, the results of the analyses and design studies generally concluded that heat exchanged engines represent a viable solution to meet demanding defence and commercial aeropropulsion needs in the 2015‐2020 timeframe, but they would require extensive development.

As highlighted in Parts I and II, early development work was focused on the use of recuperation, but this is only practical with compressor pressure ratios up to about 10. For today's aeroengines with pressure ratios up to about 50, improvement in SFC can only be realised by incorporating intercooling and recuperation. The new aeroengine concepts presented are clearly in an embryonic stage, but these should enable gas turbine and heat exchanger specialists to advance the technology by conducting more in‐depth analytical and design studies to establish higher efficiency and “greener” gas turbine aviation propulsion systems.

It is recognised that meeting future environmental and economic requirements will have a profound effect on aeroengine design and operation, and near‐term efforts will be focused on improving conventional simple‐cycle engines. This paper has addressed the longer‐term potential of heat exchanged aeroengines and has discussed novel design concepts. A deployment strategy, aimed at gaining confidence with emphasis placed on assuring engine reliability, has been suggested, with the initial development and flight worthiness test of a small recuperated turboprop engine for UAVs, followed by a larger recuperated turboshaft engine for a military helicopter, and then advancement to a larger and far more complex ICR turbofan engine.

Rising energy demand and the quest for achieving climate change targets have been pushing emerging markets like India to bolster the natural gas share in their energy mix. The country has set an aggressive target of increasing natural gas share in the energy mix to 15% by 2030. The purpose of this study is to acknowledge the need for adopting and developing strategies for natural gas business market development to ensure a reliable supply at an affordable price. Hence, this study explores the natural gas market business development strategies and assesses them through cause/effect analysis.

This study proposed an integrated framework based on the Grey concept and Decision-Making Trial and Evaluation Laboratory (DEMATEL) technique to assess and determine the interdependence among the natural gas business market development strategies by cause-and-effect group analysis. The application of Grey theory reduced the uncertainty and subjectivity involved in the decision-making process. Later, sensitivity analysis is also performed to check the robustness of the framework.

The natural gas business market development strategies are identified through a systematic literature search and contributions from industry experts. The findings of this study highlight the importance of developing pipeline and storage infrastructure facilities, ensuring supply security through long-term imports and overseas investment, implementing free-market-based pricing, simplification and standardization of regulatory processes at state and national levels, etc., for the development of the natural gas market development in India.

This study acknowledges the natural gas market development strategies and evaluated them into cause-and-effect groups which are limited to Indian context. All evaluations in the Grey-based DEMATEL method were made in this study based on the decision team inputs which limits the generalization to other geographies. Moreover, the opinions of the experts can be subjective and differ. The selection of the experts is done through non-probability sampling process.

This study could support the government and decision-makers in formulating the appropriate strategies to develop the domestic natural gas market. The cause-and-effect relationships are helpful for the companies, management, government, regulators and other stakeholders to understand the criticality of the causal strategies that must be implemented for developing the favorable natural gas business market scenario.

This study explores and evaluates the strategies that successfully bolster the natural gas business demand in India using Grey-based DEMATEL framework. By focusing on those critical strategies, relevant stakeholders would ensure a reliable natural gas supply at affordable prices.

To evaluate various hedge programs designed to minimize the risk of an extreme monthly gas bill subject to a pre‐determined hedge program budget.Design/methodology/approach – Historical data were collected on natural gas spot and futures prices. Also, theoretical options prices were calculated. These data were then applied to derive the risk associated with extreme bills under different hedge strategies.Findings – In every instance, having a price cap hedge program is better for core customers of a utility company than not having a hedge program.Research limitations/implications – The better hedge performance is based on historical data. It may not apply to future scenarios. Also, the theoretical options prices may need refinements.Practical implications – Any utility company should seriously consider a price cap hedge program to protect its core customers. The exact program design will likely change but the basic principles and methods described in this paper are directly applicable.Originality/value – This paper provide/guidelines for a utility company to design its hedge programs for the benefits of core customers. Currently, there is no such guideline available and there is no study evaluating these hedge programs. This paper provides a first attempt.

This paper aims to explore the international response to the discovery and development of gas fields in the East Mediterranean basin.

The study applies key concepts into a framework and explores the strategies used by nations for developing their influence in the region.

The key nation states (the USA and Russia) and the supranational EU are notable in their divergent approaches to obtaining access to and influence regarding the gas fields.

The development of the strategies used by the international rivals for access to the resources available from the offshore oil fields is set to be an area for further study.

This paper offers insight into a developing rivalry over energy security, which will a platform for further investigation throughout the exploitation of the “New Gulf” gas fields.