This paper studies a model of search engine competition with endogenous obfuscation. Platforms may differ in the quality of their search algorithms. I study the impact of this heterogeneity in consumer surplus, seller profits and platform revenue. I show that the dominant platform will typically...

Sustainability tags offer a simple and efficient way to communicate the sustainability performance of products. Research has shown that generic sustainability tags can help consumers to choose more sustainable products. However, the effectiveness of different approaches to sustainability tags in...

Rapid development of generative artificial intelligence chatbots like ChatGPT is leading search engine providers to move from search to answer engines. Unlike search engines, which provide search results in the form of blue links to content creators, answer engines generate personalised answers...

User research shows that Ecosia users desire guidance on sustainable lifestyles when searching for information on the green search engine. However, it is important to better understand the sustainability information needs of different user groups to design compelling environmentally-related...

In this paper, I document that investor attention negatively predicts betting against beta returns. Using Google Search Volumes toward US market indices as my proxy to attention, I find that this relation holds after controlling for competitive factors and different search terminologies and in...

Search engines play a central role in online content discoverability, acting as a major gateway for users to access online information. As part of their activities, they may drive traffic towards websites that offer illegal goods and services, such as counterfeit products or pirated content....

Objective Little research has been done on the user-centered document ranking approach, especially in a crowdsourcing chart review environment. As the starting point of designing and implementing the next generation of Electronic Medical Record (EMR) search engines, a systematic user study is...

With the booming of LLM technologies (e.g., ChatGPT), people's goals and behaviors in information search have been reshaped significantly. This paper attempts to conceptually discuss how LLM technologies might revolutionize these important aspects in information search and provides a...

This study systematically reviewed the literature on using the Google Search Volume Index (GSVI) as a proxy variable for investor attention and stock market movements. We analyzed 56 academic studies published between 2010 and 2021 using the Web of Sciences and ScienceDirect databases. The...

How important is Google for scientific research? This paper exploits the exogenous shock represented by Google's sudden withdrawal of its services from mainland China to assess the importance of access to information for the knowledge production function of scientific scholars in the field of...

From the keyword search "sale" in Google Trends, this research aims to re-examine the association between Google Trends keyword search and related topics in order to develop a marketing strategy towards sale performance and household consumption. The study analysed sales performance and...

Due to the ongoing global debate regarding the relationship between fntech and banks, including developing countries, this study aims to investigate this relationship in the case of Vietnam, an emerging nation. The study analyzes the relationship between fntech search and bank stock returns,...

This paper presents an empirical model of sponsored search auctions where advertisers are ranked by bid and ad quality. Our model is developed under the 'incomplete information' setting with a general quality scoring rule. We establish nonparametric identification of the advertiser's valuation...

This paper examines the impact of the Digital Markets Act (DMA) on consumer behavior, focusing on changes in Google's search result presentation in the European Union (EU). Specifically, it investigates the effects of Google's removal of clickable maps in search results, a modification...

Inequality among people has several unwanted effects, in humanistic, social and economic contexts. Several studies address distributional preferences among groups, but little is known about when inequality issues are focused and when and why inequality abatement measures are brought on the...

U.S. law requires the Attorney General to collect data on hate crime victimization from states and municipalities, but states and localities are under no obligation to cooperate by gathering or sharing information. Data production hence varies considerably across jurisdictions. This paper...

It is well-established that a country's economic outcomes, including productivity, future income, and labour market performance, are profoundly influenced by the happiness of its people. Traditionally, survey data have been the primary source for determining people's happiness. However, this...

Rapid development of generative artificial intelligence chatbots like ChatGPT is leading search engine providers to move from search to answer engines. Unlike search engines, which provide search results in the form of blue links to content creators, answer engines generate personalised answers...

This paper studies a model of search engine competition with endogenous obfuscation. Platforms may differ in the quality of their search algorithms. I study the impact of this heterogeneity in consumer surplus, seller profits and platform revenue. I show that the dominant platform will typically...

This study investigates the relationship between abstinence-only education and various reproductive health outcomes using descriptive statistics and Poisson regression models, while incorporating Google search data to capture the unknown factors associated with people's information-seeking...

I analyse US Big Tech strategies to dominate frontier artificial intelligence (AI) by quantitatively and qualitatively comparing how they manage knowledge in their respective AI corporate innovation system (CIS). I propose “frenemies” to describe Microsoft’s strategy because many Chinese...

This paper addresses the awareness about the artificial intelligence across states in the United States. We uniquely create indices of Google internet search results for general AI awareness and about ChatGPT, normalizing alternatively by internet users and land area. An understanding of the...

The DOJ’s search monopolization case against Google is soon going to trial this September. This article provides an economic explanation of how Google’s alleged conduct can impede competition. It then investigates potential remedies and their implications on competition and welfare. It...

Search engines are important access channels to news content of traditional newspapers with Google alone responsible for 35% of online visits to news outlets in the European Union. Yet, the effects of Google Search on market competition and information diversity have received scant attention....