arun g. chandrasekhar


[home] [cv] [research] [research statement] [teaching]


themes. [social learning] [signaling and reputation] [statistics] [health] [informal markets]

publications

designing effective celebrity public health messaging: results from a nationwide twitter experiment promoting vaccination in indonesia (with vivi alatas, markus mobius, benjamin olken, and cindy paladines) [conditionally accepted at the economic journal]

consistently estimating graph statistics using aggregated relational data (with emily breza, shane lubold, tyler mccormick, and mengjie pan), proceedings of the national academy of sciences: 120.21 (2023): e2207185120. [supplementary information]

identifying the latent space geometry of network models through analysis of curvature (with shane lubold and tyler mccormick), journal of the royal statistical society series b: statistical methodology: 85.2 (2023): 240-292

changes in social network structure in response to exposure to formal credit markets (with abhijit banerjee, emily breza, esther duflo, matthew o. jackson and cynthia kinnan) [conditionally accepted at the review of economic studies]

when less is more: experimental evidence on information delivery during india's demonetization (with abhijit banerjee, emily breza, and benjamin golub) [conditionally accepted at the review of economic studies]

a note on payments in the lab for infinite horizon dynamic games with discounting (with juan pablo xandri). economic theory]: doi.org/10.1007/s00199-021-01409-x

naive learning with uninformed agents (with abhijit banerjee, emily breza, and markus mobius). american economic review: doi.org/10.1257/aer.20181151

effects of a large-scale social media advertising campaign on holiday travel and covid-19 infections: a cluster randomized controlled trial (with emily breza, fatima stanford, marcela alsan, burak alsan, abhijit banerjee, sarah eichmeyer, traci glushko, paul goldsmith-pinkham, kelly holland, emily hoppe, mohit karnani, sarah liegl, tristan loisel, lucy ogbu-nwobodo, ben olken, carlos torres, pierre-luc vautrey, erica warner, susan wootton, and esther duflo). nature: medicine: doi.org/10.1038/s41591-021-01487-3

effect of physician-delivered covid-19 public health messages and messages acknowledging racial inequality on Black and white adults' knowledge, beliefs, and practices related to covid-19: a randomized clinical trial (with carlos torres, lucy ogbu-nwobodo, marcella alsan, fatima cody stanford, abhijit banerjee, emily breza, sarah eichmeyer, mohit Karnani, tristan Loisel, paul goldsmith-pinkham, benjamin olken, pierre-luc vautrey, erica warner, and esther duflo). jama network open: doi.org/10.7326/M20-6141

interacting regional policies in containing a disease (with paul goldsmith-pinkham, matthew o. jackson, and samuel thau) proceedings of the national academy of sciences (may, 2021): vol. 118 no. 19 doi:10.1073/pnas.2021520118 [supplementary information]

comparison of knowledge and information-seeking behavior after general covid-19 public health messages and messages tailored for black and latinx communities: a randomized controlled trial (with marcella alsan, fatima cody stanford, abhijit banerjee, emily breza, sarah eichmeyer, paul goldsmith-pinkham, lucy ogbu-nwobodo, benjamin olken, carlos torres, anirudh sankar, pierre-luc vautrey, and esther duflo). annals of internal medicine: doi.org/10.7326/M20-6141

using aggregated relational data to feasibly identify network structure without network data (with emily breza, tyler mccormick, and mengjie pan, august 2019). american economic review (july, 2020): vol. 110 no. 8 doi:10.1257/aer.20170861 [online appendix], [estimation code].

testing models of social learning on networks: evidence from two experiments (with horacio larreguy and juan pablo xandri). econometrica (january, 2020): doi:10.3982/ecta14407 [online appendix], [auxiliary appendix], [data and programs]

using gossips to spread information: theory and evidence from two randomized controlled trials (with abhijit banerjee, esther duflo, and matthew o. jackson). the review of economic studies (february, 2019): doi:10.1093/restud/rdz008 [data and programs]

social networks, reputation and commitment: evidence from a savings monitors experiment (with emily breza). econometrica (january, 2019): vol. 87 issue 1 doi:10.3982/ECTA13683 [auxiliary appendix]

social networks as contract enforcement: evidence from a lab experiment in the field (with cynthia kinnan and horacio larreguy). amerian economic journal: applied economics (october, 2018): vol. 10 no. 4 doi:10.1257/app.20150057 [online appendix and data]

network structure and the aggregation of information: theory and evidence from indonesia (with vivi alatas, abhijit banerjee, rema hanna and ben olken). american economic review (july, 2016): vol. 106 no. 7 doi:10.1257/aer.20140705 [online appendix], [full data]

the diffusion of microfinance (with abhijit banerjee, esther duflo and matthew o. jackson). science (2013): vol. 341 no. 6144 1236498 doi:10.1126/science.1236498 [abstract, full text] [supplementary material] [full data]

surveys and non-refereed publications

networks in economic development (with emily breza, benjamin golub, and aneesha parvathaneni). oxford review of economic policy. (edited by matthew ellott, sanjeev goyal, and alex teytelboym, 2019)

econometrics of network formation. oxford handbook on the economics of networks. (edited by yann bramoulle, andrea galeotti and brian rogers, 2016)

mobile phone messaging to promote preventive behaviors (with abhijit banerjee, marcella alsan, emily breza, esther duflo, paul goldsmith-pinkham, benjamin a. olken), in "end covid-19 in low and middle-income countries," (ahmed et al.), science: 375,1105-1110(2022).doi:10.1126/science.abo4089

the impact of large-scale social media advertising campaigns on covid-19 vaccination: evidence from two randomized controlled trials (with emily breza, lisa y. ho, marcella alsan, abhijit banerjee, fatima cody stanford, renato fior, paul goldsmith-pinkham, kelly holland, emily hoppe, louis-mael jean, lucy ogbu-nwobodo, benjamin a. olken, carlos torres, pierre-luc vautrey, erica warner, and esther duflo) aea papers and proceedings.

working papers

revising...

selecting the most effective nudge: evidence from a large-scale experiment on immunization (with abhijit banerjee, suresh dalpath, esther duflo, john floretta, matthew o. jackson, harini kannan, francine loza, anirudh sankar, anna schrimpf, and maheshwor shrestha), [revise and resubmit at econometrica]

a network formation model based on subgraphs (with matthew o. jackson, march 2021) [3rd round revise and resubmit at the review of economic studies]

best linear approximations to set identified functions: with an application to the gender wage gap (with victor chernozhukov, francesca molinari, and paul schrimpf, december 2018) [revision requested at quantitative economics]

network centrality and informal institutions: evidence from a lab experiment in the field (with emily breza and horacio larreguy, august 2019), nber working paper #20309 [revision requested at the journal of public economics]

in progress...

non-robustness of diffusion estimates on networks with measurement error (with paul goldsmith-pinkham, tyler h. mccormick, samuel thau, and jerry wei)

general covariance-based conditions for central limit theorems with dependent triangular arrays (with matthew o. jackson, tyler mccormick, and vydhourie thiyageswaran)

blue spoon; or, sparking communication about appropriate technology use (with esther duflo, michael kremer, joao pugliese, jonathan robinson, and frank schilbach)

liquidity, financial centrality, and the value of key players (with rob townsend and juan pablo xandri)

small changes in survey recruitment protocols lead to large differences in policymaker inference: evidence from a randomized controlled trial on covid-19 surveillance (with marcella alsan, abhijit banerjee, emily breza, esther duflo, paul goldsmith-pinkham, weston merrick, and benjamin olken)

messages on covid-19 prevention in india increased symptoms reporting and adherence to preventative behaviors among 25 million recipients with similar effects on non-recipient members of their communities (with abhijit banerjee, marcella alsan, emily breza, abhijit chowdhury, esther duflo, paul goldsmith-pinkham, and benjamin olken)

network-based hiring: local benefits; global costs (with melanie morten and alessandra peter)

signaling, shame, and silence in social learning (with benjamin golub and he yang)

seeing the forest for the trees? an investigation of network knowledge (with emily breza and alireza tahbaz-salehi, february 2018)

some work in progress

effects of caste-based affirmative action in governance on socio-economic networks and resource provision (with emily breza and m.r. sharan)

the design and analysis of experiments under interference using partial network data (with steve wilkins-reeves, shane lubold, alex philips, and tyler mccormick)

bayesian treatment variant aggregation (with tyler mccormick and apara venkat)

noise and diffusion (with abhijit banerjee and emily breza)

advice (with ben golub and he yang)

skepticism (with emily breza and ben golub)

old stuff

econometrics of sampled networks (with randall lewis, november 2016)

social investments, informal risk sharing, and inequality (with attila ambrus and matt elliott, july 2015), nber working paper #20669.

tractable and consistent random graph models (with matthew o. jackson, june 2014), nber working paper #20276, arXiv. replaced by a network formation model based on subgraphs.

come play with me: experimental evidence of information diffusion about rival goods (with abhijit banerjee, emily breza, esther duflo, and matthew o. jackson)

information, networks and social insurance: evidence from a lab experiment in the field (with cynthia kinnan and horacio larreguy, september 2011)