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Article
Publication date: 23 November 2021

Omer Cem Kutlubay, Mesut Cicek and Serdar Yayla

The ongoing COVID-19 pandemic has led to drastic changes in the lives of customers. Social isolation, financial difficulties, fear of being infected and many other factors have…

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Abstract

Purpose

The ongoing COVID-19 pandemic has led to drastic changes in the lives of customers. Social isolation, financial difficulties, fear of being infected and many other factors have caused the psychological well-being of customers to deteriorate. By taking up the role of online reviews in the regulation of consumers’ moods, this study aims to examine the changes that have occurred in online product ratings, as well as the negative tone and word counts of product reviews during the COVID-19 pandemic.

Design/methodology/approach

This study examines the online reviews of 321 products in the pre-COVID, immediate COVID and extended COVID periods. This paper compares the changes that have taken place in product evaluations via various analysis of variance analyses. The authors also test the effect of COVID-related deaths on product evaluations via regression analyses.

Findings

The results indicate that online product ratings decreased sharply just after the outbreak of COVID-19. The study also found that the tone of reviews was found to be more negative and the length of reviews appeared to be longer in comparison to the pre-COVID-19 period. The results also revealed that the product type (experience vs search) moderated the effect of the pandemic in online reviews and the impact of COVID-19 on online product reviews diminished in the later stages of the ongoing pandemic.

Practical implications

Managers should be aware of the detrimental impact of pandemics on online product reviews and be more responsive to customer problems during the early stages of pandemics.

Originality/value

To the best of the authors’ knowledge, this is the first study that analyzes the effects of a pandemic on online product ratings and review content. As such, this study offers a timely contribution to the marketing literature.

Details

Journal of Product & Brand Management, vol. 32 no. 1
Type: Research Article
ISSN: 1061-0421

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Article
Publication date: 15 August 2022

Serdar Turedi and Asligul Erkan-Barlow

The purpose of this paper is to examine the effects of managerial myopia on information technology (IT) investment. Specifically, it aims to investigate the influence of chief…

304

Abstract

Purpose

The purpose of this paper is to examine the effects of managerial myopia on information technology (IT) investment. Specifically, it aims to investigate the influence of chief information officer (CIO) compensation on IT investment and the moderating role of the board monitoring strength on this relationship.

Design/methodology/approach

The study examines a sample of 194 firms listed on US stock exchanges with a CIO position in 2019. The authors employ hierarchical regression analysis to test the hypothesis.

Findings

The results show that CIO compensation negatively influences IT investment. Further, even though vigilant board monitoring does not necessarily reduce such opportunistic behaviors, weak board monitoring creates an environment for such actions.

Research limitations/implications

First, the cross-sectional data can limit the results' generalizability. Second, the sampling frame is not perfectly random as it consists of firms that have CIO compensation information in the ExecuComp for 2019. Third, we include only two measures of board monitoring strength.

Practical implications

Board of directors should wisely select compensation packages' components since equity incentives potentially exacerbate managerial myopia. Moreover, firms may regulate CIOs' investment behaviors through board-level IT governance.

Originality/value

This study is one of the few studies that utilize CIO sensitivity to measure CIO compensation. Moreover, by examining the factors affecting IT investment behavior, this study sheds light on CIO incentives' impact on IT investment behaviors. Finally, to the best of the authors' knowledge, this is the first study to investigate board monitoring's role in the relationship between CIO sensitivity and IT investment intensity.

Details

Review of Behavioral Finance, vol. 15 no. 6
Type: Research Article
ISSN: 1940-5979

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Article
Publication date: 12 December 2018

Shokoofeh Talebi, Zamzam Paknahad, Mohammad Hashemi and Akbar Hasanzadeh

Coronary artery disease (CAD) is developed by an insufficient supply of oxygen-rich blood to the myocardium. Recent studies have shown that increased oxidative stress has…

180

Abstract

Purpose

Coronary artery disease (CAD) is developed by an insufficient supply of oxygen-rich blood to the myocardium. Recent studies have shown that increased oxidative stress has implicated in the pathogenesis of coronary atherosclerosis. Anxiety and CAD have a mutual relationship, as the effect of long-lasting anxiety on atherosclerosis and CAD is well known. The purpose of this study is to investigate the relationship between dietary / serum total antioxidant capacity and CAD.

Design/methodology/approach

A total of 160 male patients were enrolled in this cross-sectional study. Diagnosis and analysis of angiograms were performed visually by a cardiologist. The subjects were categorized into CAD− (coronary artery obstruction <75 per cent) and CAD+ (coronary artery obstruction ≥ 75 per cent) groups. Anthropometric indices, blood pressure, blood sugar and lipid profile and physical activity (PA) were assessed. Information about anxiety was obtained by Spielberger questionnaire. Dietary total antioxidant capacity (TAC) was obtained by using a semi-quantitative food frequency questionnaire and an oxygen radical absorbance capacity of selected foods.

Findings

Mean of dietary TAC was significantly lower in CAD+ than CAD− group (P < 0.001). However, there was not any significant differences about serum TAC (P = 0.28). The mean of body mass index (BMI) (P = 0.04) and triglyceride (TG) level (P = 0.03) and the frequency of smoking (P = 0.03) were significantly higher in the CAD+ than the CAD− group. There was no significant relationship between CAD with apparent (P = 0.33) and hidden anxiety level (P = 0.16). Confounding factors such as smoking and medications were adjusted.

Research limitations/implications

This study had certain limitations. Being a single center cross-sectional design does not permit analysis of causal relationships; the sample size was geographically limited. The authors could not exclude the medication of patients, which could affect the total antioxidant capacity levels. Measurement error in self-reported dietary consumption may results misclassification of exposure.

Practical implications

A diet high in total antioxidant capacity is inversely associated with CAD. Serum TAC does not vary between men with and without CAD when confounders including age, BMI, TG, smoking, SBP, DBP, energy intake, PA, HDL-C, LDL-C, T-C, FBS, family history of CAD, education and anxiety are taken into consideration.

Social implications

High consumption of vegetables and fruits may play a major role in the prevention of CAD.

Originality/value

The study was approved by the ethics committee of Isfahan University of Medical Sciences (No:394888).

Details

Nutrition & Food Science, vol. 49 no. 4
Type: Research Article
ISSN: 0034-6659

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