PurposeThe purpose of this paper is to examine the association between audit quality and value relevance of representative accounting measures, such as earnings and book value of equity.Design/methodology/approachThe authors estimate the standard value relevance equations and the modified equations by ordinary least square regressions and use two ways to compare the difference in the value relevance of earnings and book value of equity audited by Big 4 auditors and non‐Big 4 auditors, as characterized by the coefficient of determination, R2; and based on previous lines of published research.FindingsSome evidence was found that, in the Taiwan capital market, in general, the earnings and book value of equity audited by Big 4 auditors explain more variations in stock return than those audited by non‐Big 4 auditors. The results are robust to different empirical models and measurements of value relevance and control for risk and growth factors. Consequently, both earnings and book value audited by Big 4 audit firms are generally more relevant than those audited by non‐Big 4 audit firms.Originality/valueAssuming that the Big 4 audit firms provide a higher level of assurance and credibility, the overall results are generally consistent with the authors' prediction that audit quality, as captured by size of audit firms, improves the value relevance of earnings and book value of equity.

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Purpose -The main purpose of this study is to find ways on how to promote bike tourism globally, and use Taiwan as a model to explore this aspect. Design -The development of the study structure involved brainstorming and the assistance of an expert panel. The study framework is composed of 7 aspects with 8-12 subitems each. Methodology -The opinions of experts were gathered through a questionnaire survey. Afterwards, the CLPEM (Control Limits Performance Evaluation Method) was adopted to determine the means to promote bike tourism. Findings -The results show how the government and operators could prioritize service enhancements and improvements such as "bike rental at one station with drop off at another designated location, nanny vans to accommodate bike tourists, bike tourist information center, training for bike tour guides who can provide practical and historical knowledge for tourists, creative bike touring routes depending on the rider's abilities, local friendly hospitality for riders, and comprehensive travel insurance policies". Originality of the research -This study has constructed a framework to promote bike tourism.

Taiwan is located at the hub of East Asian transport, and has experienced huge growth in tourism. Taiwan therefore has an opportunity to become the main tourist transport centre of East Asia. This study uses the DEMATEL method to explore a practical strategy with four key elements: improved international airport construction; easy access to the aviation market; aviation competitiveness improvement; and aggressive tourism marketing. The results of the study show that more organizations participating in the market and free competition will facilitate tourism marketing and will help to transform Taiwan into the tourist transport centre of East Asia.

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