In markets for experience goods where sellers cannot build reputations, buyers may refrain from purchasing, leading to low efficiency. A product testing institution can mitigate this problem by offering buyers a noisy but informative signal about product quality for a fee before they decide...

Purpose: This research proposed dependent sampling plan incorporating mixed acceptance criteria for entrance quality control of corn kernels, a primary material in the feed manufacturing industry. Mathematical models are involved to determine the alternative samplin plan based on allowable risk...

China's economy has shifted from high-speed development to high-quality development as the marginal benefits of the traditional growth model decline. This study explores how new quality productive forces (NQPFs) drive industrial structure upgrading via factor endowment upgrading and factor...

This study examines the unintended consequences of quality disclosures, focusing on how Academy Award nominations impact consumer satisfaction in the movie industry. Awards and certifications typically signal high quality and increase consumer expectations. Yet, if the experience falls short of...

This paper studies self-preferencing in search results and how it affects quality competition in the U.S. Apple App Store. Leveraging a search algorithm change, I find that rankings significantly affect app demand and developers’ quality provision. To examine the welfare effects of...

We study information design in a vertically differentiated market. A third party publicly discloses information about the product qualities of two competing firms. More precise information improves consumer matching but increases perceived differentiation, enabling firms to raise prices....

Background: From the perspective of product liability, this study explores how agricultural product e-commerce enterprises can enhance the quality of the agricultural product supply chain through quality incentive strategies. Methods: Based on a tripartite evolutionary game model, the strategic...

Improper quality adjustment has long been identified as a source of potential measurement bias in consumer price indices (CPIs). However, as no benchmark for quality adjustment exists, it has always been difficult to estimate a potential bias. For this paper, we develop a corridor in which...

Minimum standard regulations for energy-using durables have long been suspected of having hidden costs: quality improvements in the regulated dimension reduce quality in other dimensions. We substantiate this claim for the U.S. clothes washer market, which has become a notorious example of the...

Platforms that provide product recommendations to consumers, such as marketplaces like Amazon or online travel agencies like Expedia, govern a substantial part of transactions in many markets. In addition to selling via platforms, most firms, however, also operate a direct channel. This paper...

This report is an assessment of the Ghanaian cashew sector’s performance in relation to SPS practices. It does this in the context of the sector’s position in the world cashew market by comparative analysis, assessment of best practice and consideration of market trends. This is timely since...

This paper analyzes a monopolistic market with a continuum of consumers in the linear case. Consumers are vertically differentiated by a one-dimensional preference for quality, and the monopolist is allowed to offer a menu of quality-price pairs. The analysis shows that, in the linear case, the...

In this article, we evaluate the relationship between quality investing combined with Economic Moat, ESG (Environmental, Social and Governance) and analyst opinions over the period 2014-2020 based on a data set comprising 803 US stocks. Performance is evaluated using several metrics (returns and...

Establishing a clear link between prices of conventional and niche product versions can help address challenges associated with anticipating these prices and attenuate concerns related to thin market conditions. In that regard, we analyze the price dynamics, differentiating between agri-product...

Engaging teaching has emerged as a key approach to fostering children's socio-emotional and cognitive skills. This policy note draws on findings of a recent comparative study on the LEGO Foundation's Engage, formerly known as Playful Learning Across the Years (PLAY)1, classroom observation tool,...

This report highlights the commonalities and disagreements between the reporting by Member States (MS) to the Water Framework Directive (WFD) and the Marine Strategy Framework Directive (MSFD) on the standards for Biological Quality elements in coastal waters, and the methodological standards...

Künstliche Intelligenz (KI) hat mit ihrem Teilgebiet Maschinelles Lernen (ML) Einzug gehalten in die Verwaltung im Allgemeinen sowie in die amtliche Statistik in Deutschland im Speziellen. Welche ethischen Fragen sind jedoch beim Einsatz von KI/ML in der Produktion amtlicher Statistiken zu...

Auch die amtliche Statistik nutzt Methoden der Künstlichen Intelligenz (KI) und ihres Teilbereichs Maschinelles Lernen (ML). Dies wirft verschiedene ethische Fragestellungen auf, die im ersten Teil des Artikels ("Identifikation") mithilfe von Vorarbeiten aus anderen Staaten und von...

This study investigates the impact of competition from informal or unregistered firms on the likelihood of formal manufacturing small and medium-size enterprises obtaining internationally recognized quality certificates. The sample includes 16 countries in Latin America and the Caribbean, one of...

Using longitudinal data on teams and quality competition results, this study examines the impact of team and task familiarity on brewing excellence in the Japanese sake industry from 1956 to 2018. Sake production involves teamwork at every stage, but while some teams work together long term,...

The purpose of this study is to identify airline asymmetric attributes that affect customer satisfaction based on the three-factor theory and to build an Asymmetric Impact-Sentiment Analysis (AISA) for resource allocation prioritization. We identified food and beverage service as a basic factor;...

How do environmental information and awareness interact to improve environmental quality by changing consumer behavior and firm strategies? This article provides theoretical insights using an original differentiation model within a general framework whose specific cases have been studied...

The growing importance of natural beauty care products among consumers is increasingly driven by social media networks, which play a substantial role in promoting sustainable consumption. This study examines the influence of Celebrity Credibility, Celebrity Attractiveness, and Social Media...

We explore the impact of export quality on the levels of exports and domestic trade. First, we developed a theoretical framework, using the two-country oligopolistic model with quality differentials in product. We find that a consumer-preference driven increase in export quality improves export...