Where does trust in government come from? Timothy Besley (@LSEnews), Christopher Dann (@Stanford) & @SachaJDray (@WorldBankGroup) on the role of economic growth: youtu.be/cS8U2aeuyXU

How polluted is U.S. drinking water, and what are the health effects? @DavidKeiserEcon (@Yale), Bhashkar Mazumder (@ucisocsci), @davidmolitor (@giesbusiness) & @_josephshapiro (@UCBerkeley) on safe drinking water in America: youtu.be/HkDebSfreZ0

How well do we learn from others? @JohnConlon7 (@OhioState), Malavika Mani (@uniofwarwick), Gautam Rao (@berkeleyecon), Matthew Ridley (@uniofwarwick) & Frank Schilbach (@MITEcon) on barriers to social learning: youtu.be/XAT-DGhjRRM

How do criminal organizations affect economic development? @melnikov_n_v (@NovaSBE), Carlos Schmidt-Padilla (@GoldmanSchool) & María Micaela Sviatschi (@PrincetonEcon) on the impact of gang control: youtu.be/2030Yfdj7ug

What are the political consequences of weakening local newspapers? @MNDjourel (@USCDornsife), @RDurante_2020 (@NUSingapore) & Gregory Martin (@StanfordGSB) on the impact of Craigslist: youtu.be/QmRYRZHY9aE

Is college still an engine of social mobility? @zbleemer (@PrincetonEcon) & Sarah Quincy (@VanderbiltU) on changes in the relative wage premium for low-income Americans: youtu.be/05OUfSKvlUw

How does divorce affect children in the near- and long-term? From Andrew Johnston (@UTCivics), Maggie Jones (@CAPolicyLab) & Nolan Pope (@bsosumd): youtu.be/_W-0dMVf7hM

Can providing free education to one generation benefit future ones as well? From Esther Duflo (@MITEcon), @DupasPascaline (@PrincetonEcon), Elizabeth Spelke (@PsychHarvard) & @econ_mark (@GiveWell): youtu.be/Ta7vQqkkNxw

The Nordic countries are often cited as a socioeconomic model that combines low inequality with prosperity and growth. Magne Mogstad (@UChi_Economics), @KSalvanes (@NHHnor) & @gautorsvik (University of Oslo) critically examine that claim: youtu.be/nTMXPa-GJjM

Do mental health treatment delays impact mortality? Sydney Costantini (@berkeleyecon) on how clinic congestion affects mortality for veterans: youtu.be/r62hE1agkkI

Can redistribution change policy views? Travis Baseler (@UofR), @ThomasGinnDC (@CGDev), @rohakiza (@YARIDUganda), Helidah Ogude-Chambert (@ODID_QEH) & @owoldemik (@TheNewSchool) on aid and attitudes toward refugees: youtu.be/9Y1yKIImwZs

Preschoolers get sick frequently, and may expose their infant siblings to severe respiratory infection. @MeltemDaysal (@uni_copenhagen), Hui Ding (@FudanUniversity), @maya_rossin (@StanfordHP) & Hannes Schwandt (@sesp_nu) on the consequences: youtu.be/WmRM2RUx_gU

Economic models often assume households behave as a single decision-making unit. Does this mirror reality? @TahaChoukhmane (@MITSloan), @goodmanl (@USTreasury) & @cormacodea (@YaleEconomics) on the retirement savings of U.S. couples: youtu.be/eHowMVi5MoA

How does agricultural policy reshape the economic consequences of climate change? @AllanHsiao (@StanfordEcon), Jacob Moscona (@MITEcon) & Karthik Sastry (@PrincetonEcon) on food policy in a warming world: youtu.be/dWA3hhAibag

Household carbon emissions differ across different places. Does this mean one way to lower emissions is for higher-emissions places to adopt the features of lower-emissions places? Eva Lyubich (US Census) on the role of people vs. places: youtu.be/Xx5J4aqDEi0

Do recessions impact mortality? Amy Finkelstein (@MITEcon), @ProfNoto (@ChicagoBooth), Frank Schilbach (@MITEcon) & @jzhangecon (@DukeSanford) on the welfare consequences of the Great Recession: youtu.be/XrBXo9b2e6g

How replaceable is a low-wage job? @evankrose (@UChi_Economics) & @yotamshemtov (@UCLA) on the long-run consequences of low-wage job loss: youtu.be/mXTuz4vb98o

Since the 1980s, China has engaged in one of the largest and most systematic episodes of policy experimentation in recent history. Shaoda Wang (@HarrisPolicy) & @david_yang (@HarvardEcon) on policy learning in this setting: youtu.be/cE-RlzXhLXk

Hundreds of millions worldwide live in areas controlled by criminal organizations. What can states do to regain control? @AFenizia (@GWUEconomics) & @raffaelesaggio (@ubcVSE) on combating the Mafia: youtu.be/nfs5jVvFxOI

Investments in universal pre-K have high returns, largely driven by the substantial effect on parents’ earnings. From @john_eric, @ChrisANeilson, @Xiaoyang_Ye & Seth Zimmerman: youtu.be/YxexiLODdHE (@YaleEconomics, @YaleTobinCenter, @YaleSOM)