‘Big 4’ influence on audit market

investigating the impact of mandatory audit firm rotation on audit fee and audit market competition

this study aims at investigating the impacts of mandatory audit firm rotation (mafr) on audit fees and audit market compeition among firms listed on tehran stock exchange (tse). since 2007 firms listed on tse are not allowed to use services of any single audit firm for more than 4 consecutive years. we tested our hypotheses using multivariate regression analysis and mean comparison test. our sa...

“Big” Food, Tobacco, and Alcohol: Reducing Industry Influence on Noncommunicable Disease Prevention Laws and Policies; Comment on “Addressing NCDs: Challenges From Industry Market Promotion and Interferences”

The food, tobacco and alcohol industries have penetrated markets in low- and middle-income countries (LMICs), with a significant impact on these countries’ burden of noncommunicable diseases (NCDs). Tangcharoensathien and colleagues describe the aggressive marketing of unhealthy food, alcohol and tobacco in LMICs, as well as key tactics used by these industries to resis...

To study the effect of audit market concentration on auditors' job stress and audit quality of Tehran Stock Exchange (TSE) Listed Companies

Audit market concentration causes to decrease the scope of companies' au-thorities for selecting the audit institutions but instead it increases the power of auditors' market that it turns, leads to a decrease in quality and an increase in auditors' stress. The purpose of the present research is to study the effect of audit market concentration on auditors's job stress and audit quality of Tehr...

The Big 4-0

Big Data Techniques For Renewable Energy Market

The problem of accurately predicting the energy production from renewable sources has recently received an increasing attention from both the industrial and the research communities. It presents several challenges, such as facing with the high rate data are provided by sensors, the heterogeneity of the data collected, power plants efficiency, as well as uncontrollable factors, such as weather c...