What happens when an expertise-leveling technology diffuses through an industry? I study digital sampling, which makes recorded performances reusable and reduces the expertise required for music production. I assemble novel data on production credits, sample use, and content for 70,712 US records released between 1980 and 2000. A difference-in-differences design identifies the causal effects of geographic exposure to a new sampler’s 1988 promotional campaign attached to Michael Jackson’s tour. Exposure increased sampling. Main artists on sampled records were more likely to be self-taught and less likely to report formal musical training. Participation in music production, measured as participants per 100,000 working-age residents, showed no detectable change. On exposed records, the number of people working exclusively in writing, composition, arrangement, and production grew by 0.5, roughly 15 percent of the pre-period mean, with no detectable broadening of individual task bundles. Records became more acoustically distinct from recent music before the organizational response emerged, while lyrics showed no significant change. These findings suggest that making existing performances easier to reuse can support specialized creative contributions and music that departs from the recent past.

We examine the power of media narratives to counter prejudice, a dimension often overlooked in a literature that predominantly documents how media reinforce it. We study an unprecedented experiment from post-WWII United States: in 1946, amid entrenched racial divisions, the producers of the popular children’s radio series The Adventures of Superman suddenly replaced its usual fantasy plots with stories confronting intolerance in American society, designed to elicit moral and emotional engagement among millions of young listeners. The shift generated exogenous variation in exposure to anti-prejudice narratives across cohorts and locations, a feature that we verify using historical listenership records. We show that childhood exposure produces lasting changes in social and political preferences, including greater racial tolerance, stronger support for civil rights, and higher civic mobilization later in life. These individual-level effects translate into societal shifts in favor of civil rights. Our results confirm that countering prejudice requires deeper and more enduring psychological processes compared to persuasion through information or framing.

How does violent state repression affect social capital and political participation in mature democracies? We study the 2001 G8 summit in Genova, Italy, where police violently repressed authorized protests, causing one death, hundreds of injuries, and documented abuses. We proxy local exposure to repression through pre-summit associational networks: municipalities more connected to the Genoa Social Forum (GSF), the main mobilization and logistics channel, were more likely to send participants and, in the aftermath, circulate direct testimony of the facts. Our strategy relies on a market-access style exposure index based on proximity to GSF associations and estimate a difference-in-differences design with continuous treatment using municipal election panels and repeated cross-sectional survey data. We find that higher exposure persistently depresses turnout in subsequent national elections, with no evidence of systematic left-right realignment; instead, exposure increases transitions from voting to abstention across blocs. Additional survey evidence is consistent with a mechanism of “vertical” distrust: exposure predicts lower trust in the police, while generalized trust and sense of local belonging rise.