Traditional methods for estimating demand are not always well-suited to online markets, where individual products are sold infrequently, unobserved factors such as webpage layout drive substitution, and often only a limited set of product characteristics is observed. We propose a demand model...

A large literature studies subjective beliefs about economic facts using unincentivized survey questions. We devise randomized experiments in a representative online survey to investigate whether incentivizing belief accuracy affects stated beliefs about average earnings by professional degree...

A large literature studies subjective beliefs about economic facts using unincentivized survey questions. We devise randomized experiments in a representative online survey to investigate whether incentivizing belief accuracy affects stated beliefs about average earnings by professional degree...

This paper proposes a framework for demand estimation with data on bids, bidders' identities, and auction covariates from a sequence of eBay auctions. First the aspect of bidding in a marketplace environment is developed. From the simple dynamic auction model with IPV and private bidding costs...

This paper examines the performance of the large-cap cryptocurrencies, Bitcoin (BTC) and Ethereum (ETH), during the COVID-19 period (1/2/2020-30/12/2021) using sentiment analysis. Using the Google Trends tool, we try to quantify users’ intention to buy and sell BTC and ETH, and their...

One of the difficulties faced by policy makers during the COVID-19 outbreak in Italy was the monitoring of the virus diffusion. Due to changing criteria and insufficient resources to test all suspected cases, the number of ‘confirmed infected’ cases rapidly proved to be unreliably reported...

Building on the search-based view of innovation, we develop a framework regarding how Google guides innovative search behavior. We exploit an exogenous shock, China’s unexpected blockade of Google in 2014, and adopt a difference-in-differences approach with a matched sample of patents from...

In this paper we study the impact of search engine optimization (SEO) on the competition between advertisers for organic and sponsored search results. We find that a positive level of search engine optimization may improve the search engine’s ranking quality and thus the satisfaction of its...

Increased competition from the Internet has raised a concern of product quality for online prescription drugs. The Food and Drug Administration (FDA) prohibits the importation of unapproved drugs into the US and the National Association of Boards of Pharmacy (NABP) emphasizes their illegality...