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It's the Phone, Stupid : Mobiles and Murder

Edlund, Lena - 2019

US homicide rates fell sharply in the early 1990s, a decade that also saw the mainstreaming of cell phones – a concurrence that may be more than a coincidence, we propose. Cell phones may have undercut turf-based street dealing, thus undermining drug-dealing profits of street gangs, entities...

Persistent link: https://www.econbiz.de/10012869537

Information, Mobile Communication, and Referral Effects

Barwick, Panle Jia - 2019

Information is a crucial ingredient in economic decision making. Yet measuring the extent of information exchange among individuals and its effect on economic outcomes is a difficult task. We use the universe of de-identified cellphone usage records from more than one million users in a Chinese...

Persistent link: https://www.econbiz.de/10012869540

Mobility Zones

Monte, Ferdinando - 2020

This short note constructs Mobility Zones to facilitate the discussion on the geographic extent of individual mobility restrictions to control the spread of Covid-19. Mobility Zones are disjoint sets of counties where a given level of individual mobility directly or indirectly connects all...

Persistent link: https://www.econbiz.de/10012833114

Geographic Mobility in America : Evidence from Cell Phone Data

Chen, M. Keith; Pope, Devin G. - 2021

Traveling beyond the immediate surroundings of one’s residence can lead to greater exposure to new ideas and information, jobs, and greater transmission of disease. In this paper, we document the geographic mobility of individuals in the U.S., and how this mobility varies across U.S. cities,...

Persistent link: https://www.econbiz.de/10013310381

Information, Technology Adoption and Productivity : The Role of Mobile Phones in Agriculture

Gupta, Apoorv; Ponticelli, Jacopo; Tesei, Andrea - 2022

We study the effect of information on technology adoption and productivity in agriculture. Our empirical strategy exploits the expansion of the mobile phone network in previously uncovered areas of rural India coupled with the availability of call centers for agricultural advice. We measure...

Persistent link: https://www.econbiz.de/10013292243

Information and Student Achievement : Evidence from a Cellular Phone Experiment

Fryer, Roland G. <Jr.> - 2013

This paper describes a field experiment in Oklahoma City Public Schools in which students were provided with free … cellular phones and daily information about the link between human capital and future outcomes via text message. Students …' reported beliefs about the relationship between education and outcomes were influenced by treatment, and treatment students …

Persistent link: https://www.econbiz.de/10013080831

The Economics of Spatial Mobility : Theory and Evidence Using Smartphone Data

Miyauchi, Yuhei; Nakajima, Kentaro; Redding, Stephen - 2022

Using smartphone geographical positioning systems (GPS) data for Japan, we show that travel within urban areas frequently occurs along trip chains, involving multiple stops as part of a single journey. Motivated by these empirical findings, we develop a tractable theoretical model of travel...

Persistent link: https://www.econbiz.de/10014242337

Peer Effects in Product Adoption

Bailey, Michael - 2019

We study the nature of peer effects in the market for new cell phones. Our analysis builds on de-identified data from Facebook that combine information on social networks with information on users' cell phone models. To identify peer effects, we use variation in friends' new phone acquisitions...

Persistent link: https://www.econbiz.de/10012869805

Innovating Standards Through Informal Consortia : The Case of Wireless Telecommunications

Delcamp, Henry - 2014

We empirically examine the effects of industry consortia on the coordination of innovation strategies of the members. Our analyses utilize membership data from 32 consortia in wireless telecommunication technology subfields from 2000 to 2005 and prior art citations in standards-essential...

Persistent link: https://www.econbiz.de/10013065932

The (Lack of) Distortionary Effects of Proxy-Means Tests : Results from a Nationwide Experiment in Indonesia

Banerjee, Abhijit V. - 2018

Many developing country governments determine eligibility for anti-poverty programs using censuses of household assets. Does this distort subsequent reporting of, or actual purchases of, those assets? We ran a nationwide experiment in Indonesia where, in randomly selected provinces, the...

Persistent link: https://www.econbiz.de/10012906452